| 单词 | midrib |
| 例句 | Above him was a bright green tube that looked like a midrib of a large leaf. Healer of the Water Monster 2021-05-11T00:00:00Z The midrib is a vessel that extends from the petiole to the leaf tip. Fundamentals of Biology 2015-01-01T00:00:00Z Figure 23.1 A locust leaf consists of leaflets arrayed along a central midrib. Biology for AP Courses 2022-06-09T00:00:00Z Eggs that are laid in the midrib on the underside of leaves first hatch in mid-May, but those infestations are followed by later generations in June, July and August. Azalea lace bugs are even peskier than the familiar rhododendron ones 2018-06-20T04:00:00Z Two colorful varieties are ‘Red Giant’, with thick purplish-red leaves, and ‘Dragon Tongue’, with crinkled green leaves, purple veins and ivory-white midribs. Grow your own salad 2017-03-15T04:00:00Z By this stage the larvae become eating machines, devouring entire leaves, leaving only the midrib in their wake. ‘Cleopatra’ is a beauty in the garden — if you can keep it alive over the winter 2016-10-13T04:00:00Z Part B photo shows a teardrop-shaped linden leaf that has veins radiating out from the midrib. Fundamentals of Biology 2015-01-01T00:00:00Z On closer inspection, you notice that those are not leaves, but leaflets attached to a midrib vein. Biology for AP Courses 2022-06-09T00:00:00Z Culm 1–2° high; leaves roughish; panicle open; glumes unequal, lanceolate, their midrib and the pedicels rough.—N. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The venation is strictly parallel, the midrib usually strong, and the other ribs more slender. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z In autumn the yellow, channelled midribs turn red, and all the blades to purplish crimson, and this color stays a long time. Trees Worth Knowing 2011-10-13T02:00:48.357Z While he sang, a second oriole swooped upward between two vanes of a frond to a small ball of fibers knotted close to the midrib. Jungle Peace 2011-10-06T02:00:42.363Z Most leaves have a midrib, which travels the length of the leaf and branches to each side to produce veins of vascular tissue. Biology for AP Courses 2022-06-09T00:00:00Z Sporangia naked, fixed in a double row to the midrib of the narrow fertile segments. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The flowering glume has generally a more or less boat-shaped form, is of firm consistence, and possesses a well-marked central midrib and frequently several lateral ones. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z A peculiarity of the foliage is the apparent division of the petiole into three main ribs, instead of a single midrib. Trees Worth Knowing 2011-10-13T02:00:48.357Z On the under surface of a small leaf, three-fourths of an inch long, Mr. Fitch counted one hundred and ninety lice, on one side only of the midrib. American Pomology Apples 2011-10-03T02:00:29.477Z In a simple leaf, the blade is either completely undivided—as in the banana leaf—or it has lobes, but the separation does not reach the midrib, as in the maple leaf. Biology for AP Courses 2022-06-09T00:00:00Z Indusium fixed by its outer margin to the fruitful veinlet, free and opening on the side next the midrib. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z In dry-country grasses the blades are often folded on the midrib, or rolled up. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z The lobes are paired, and each has a strong vein from the midrib. Trees Worth Knowing 2011-10-13T02:00:48.357Z In due course the bundles pass to the stemming department for the removal of the midribs which usually form nearly one-third of the entire weight. Tobacco Leaves Being a Book of Facts for Smokers 2011-09-12T02:00:31.107Z A leaf petiole attaches to the main petiole or the midrib, not the stem, whereas a leaflet petiole attaches directly to the stem at a bud node. Biology for AP Courses 2022-06-09T00:00:00Z Sori round, in one or more rows, on each side of the midrib or of the segments of the frond. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The midribs of the leaves, powerful but resilient, held aloft in generous arches the broad planes of translucent green substance. The Sea and the Jungle 2011-08-30T02:00:30.350Z The bag opens along its edge seam, the leaf-stem straightens, lifting the blade which is folded on the midrib. Trees Worth Knowing 2011-10-13T02:00:48.357Z It is usually about six inches long, but sometimes nearly double that length and six inches broad, with a distinct midrib and branching veins, and a delicate wavy lamina, pink or deep red. Sea-Weeds, Shells and Fossils 2011-08-20T02:00:11.557Z A leaf petiole attaches directly to the stem at a bud node, whereas a leaflet petiole is attached to the main petiole or the midrib, not the stem. Biology for AP Courses 2022-06-09T00:00:00Z Sori forming a chain-like row each side of the midrib or central vein. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The stout midribs are sometimes rosy, but the banners they hold well above your upturned face are as the crest of a wave in the moment of collapse, the day showing through its fluid glass. The Sea and the Jungle 2011-08-30T02:00:30.350Z Occasionally there is a notch, made by the two end lobes projecting a trifle beyond the midrib. Trees Worth Knowing 2011-10-13T02:00:48.357Z The fruit is produced in winter from small leaflets growing upon the bare midrib. Sea-Weeds, Shells and Fossils 2011-08-20T02:00:11.557Z When not feeding, the caterpillars protect themselves from observation by birds or other enemies by resting motionless along the stem of the leaflet or else along the midrib on the under side. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z July.—Frond pale green, delicate and membranaceous, hairy beneath along the midribs and veins. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The basal portion of the betel leaf must be rejected, as it produces disease; the apical part, as it induces sin; and the midrib and veins, as they destroy the intellect. Omens and Superstitions of Southern India 2011-03-28T02:00:25.937Z The edges of the sepals also rest in grooves along the midribs of the petals, forming a locking mechanism that holds the bud closed until the growth inside reaches a critical point. How the Lily Blooms 2011-03-22T16:28:00Z The experiment revealed that the petals' edges elongated up to 40% more than their midribs. Footage reveals how lily blooms 2011-03-22T09:53:36Z Then it retires to the midrib on the lower surface where it remains quietly through the day and thereafter feeds chiefly at night. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z Pod linear, 4-sided, the valves keeled with a strong midrib; stigma broadly lobed. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The leaves are somewhat oval in general form, but the two sides of the midrib are unequal in size and shape. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z Liang and Mahadevan's new research shows that in the lily, however, midrib growth and differential adaxial/abaxial growth play only minor roles. How the Lily Blooms 2011-03-22T16:28:00Z Many species, when at rest, fix themselves by means of their claspers to a small twig or leaf stalk, or on the midrib of the leaf itself. Butterflies and Moths (British) They commence at the tip, and as they work downward toward the base, they collect the d�bris into a little bunch which they fasten with silk to the midrib. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z Leaves, when present, without a midrib, 2-ranked, with often a third row beneath; pedicels slender. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The leaves are proportionately narrower than those of montana, and it will be found that the hairs which cover the midrib below possess in minor degree the irritating qualities of the Nettle's stings. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z The leaves and midribs, when burned, furnish an ash so rich in potash that it may be used alone in water as a substitute for soap or when a powerful detergent is required. The Cocoanut With reference to its products and cultivation in the Philippines E-, as a prefix of Latin compound words, means destitute of; as ecostate, without a rib or midrib; exalbuminous, without albumen, &c. The Elements of Botany For Beginners and For Schools In order to do this it weakens the midrib at the base of the leaf by biting nearly through it. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z Pod orbicular, obovate, or obcordate, flattened contrary to the narrow partition, the midrib or keel of the boat-shaped valves extended into a wing. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Their margins are doubly toothed, and when in the bud they are plaited, the folds being parallel to the midrib. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z In some cases the midrib is elongated beyond the leaflets to form a long whip-like structure, bearing recurved hooks at intervals. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" Parted, when the incisions are still deeper, but yet do not quite reach to the midrib or the base of the blade; as in Fig. The Elements of Botany For Beginners and For Schools About a week after the egg is laid it hatches into a small caterpillar that feeds upon the sides of the leaf and rests upon the midrib just as the Viceroy caterpillar does. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z Thallus large, forking, areolate, porose, with broad diffused midrib; gemmæ in a cup-shaped receptacle. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z These leaflets have toothed edges, are paler on the underside, and in a young condition the midrib and nerves are hairy. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z An evergreen shrub with dark-green thick leaves 2 feet in length, with orange midribs. Trees and Shrubs for English Gardens Mucronate, abruptly tipped with a small and short point, like a mere projection of the midrib; as in Fig. The Elements of Botany For Beginners and For Schools The cinnamon-coloured petals are flushed with red, and lined with the same tint; the midrib is maroon. The Woodlands Orchids Thallus rigid, very indistinctly porose, the midrib broad, strong and distinct. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z A marked characteristic of the leaf is an areolated portion bounded by two longitudinal curved lines one on each side of the midrib, and more conspicuous on the under face of the leaf. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The leaves are indeed there, but they consist merely of three midribs armed with curved spines, and terminated by leaflets less than an inch in length of an inch in breadth. Trees and Shrubs for English Gardens Divided, when the incisions extend quite to the midrib, as in the lower part of Fig. The Elements of Botany For Beginners and For Schools Upon the scores stand spots of maroon, and a crimson splash follows the midrib. The Woodlands Orchids Branchlets bristly, as well as the margins and midrib of the oblong-obovate otherwise smooth leaves; calyx-lobes minute; corolla clammy, the tube much longer than the lobes. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Today I find the cornel foliage green still as to midrib and veining, but with the woof of the leaf gone such a fine apple red that it is surely good enough to eat. Old Plymouth Trails Spines of 1 mm. or less in length and 4 mm. or less apart, curved forward and extending throughout the length of the leaf, occur on the lower surface of the midrib only. Philippine Mats Philippine Craftsman Reprint Series No. 1 The leaflets of the former answer to the lobes or divisions of the latter; and the continuation of the petiole, along which the leaflets are arranged, answers to the midrib of the simple leaf. The Elements of Botany For Beginners and For Schools Petals the same green, with a dark midrib and fainter lines. The Woodlands Orchids Leaves scattered, sessile, flat, with the midrib prominent on the whitened lower surface, on horizontal branches appearing 2-ranked. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Involute: both edges rolled in toward the midrib on the upper side. Trees of the Northern United States Their Study, Description and Determination Spines occur on the margins and on the under surface of the midrib. Philippine Mats Philippine Craftsman Reprint Series No. 1 The two lobes are often connected by a prolongation of the filament, which answers to the midrib of a leaf; this is called the Connective. The Elements of Botany For Beginners and For Schools Leopoldii, edged with rose; petals rose, lined with crimson on either side of the white midrib. The Woodlands Orchids Sori oblong or linear, borne on a veinlet parallel to the midrib, and covered with a special usually concave or arched indusium attached to the fruiting veinlet, and opening along the inner side. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Leaves twice abruptly pinnate; leaflets over 400 in number, with midrib near the upper edge 35. Albizzia. s. Trees of the Northern United States Their Study, Description and Determination They bear stout spines on the midrib and along the margins, from two centimeters to three centimeters apart. Philippine Mats Philippine Craftsman Reprint Series No. 1 The two halves of this rounded body move as if they were hinged upon the midrib; their edges are fringed with spiny but not glandular bristles, which interlock when the organ closes. The Elements of Botany For Beginners and For Schools Luciana.—Green petals, curling strongly towards the tip; petals widening from the stalk like a leaf, pink with a green midrib. The Woodlands Orchids Stipes brownish, becoming green above, and so passing into the broad pale green midrib. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Leaves with the midrib forming a distinct ridge, odor not disagreeable. Trees of the Northern United States Their Study, Description and Determination The coarsest straw is made by separating the leaflets from the midribs and drying them in the sun. Philippine Mats Philippine Craftsman Reprint Series No. 1 Excurrent, running out, as when a midrib projects beyond the apex of a leaf, or a trunk is continued to the very top of a tree, 32. The Elements of Botany For Beginners and For Schools There are a few tiniest specks of brown on either side the midrib. The Woodlands Orchids Leaves simple, the midrib glandular along the upper side; cymes compound; styles united at base; fruit berry-like, small. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Leaflets 7 to 11, sessile, oblong-lanceolate, tapering to a point, serrate, obtuse or rounded at base, green and smooth on both sides; when young, with some rusty hairs along the midrib. Trees of the Northern United States Their Study, Description and Determination The midribs are removed while green, and the leaves are rolled into bundles of convenient size, say by fives. Philippine Mats Philippine Craftsman Reprint Series No. 1 Costa, a rib; the midrib of a leaf, &c. The Elements of Botany For Beginners and For Schools With a sharp knife cut a strip of the midrib on which is the vane of the feather; make three pieces, each two to three inches long. Boy Scouts Handbook The First Edition, 1911 The venation is not distinctly preserved; but enough remains to show that it must have been peculiar,—apparently radiating outwards from a series of centres ranged along the midrib. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Leaves oblong-ovate, taper-pointed, very sharply doubly serrate, downy beneath, with 11 to 15 straight veins on each side of the midrib; buds acute. Trees of the Northern United States Their Study, Description and Determination The central thorns on the back of the leaves are removed by cutting away the midrib. Philippine Mats Philippine Craftsman Reprint Series No. 1 Feather-veined, with veins of a leaf all springing from the sides of a midrib, 51. The Elements of Botany For Beginners and For Schools Pens and arrows for blow-guns are also made from the midribs of the side leaves; and, in fact, the arenga saccharifera, like many other palms, serves for an endless variety of purposes. Bruin The Grand Bear Hunt Its pinnate leaves were furnished with a strong woody midrib, so well preserved in the rock, that it yields its internal structure to the microscope. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Leaves thin, oblong-ovate, taper-pointed, distinctly and often coarsely toothed; petioles and midrib ciliate with soft silky hairs when young, soon almost naked. Trees of the Northern United States Their Study, Description and Determination The midribs are removed and the segments are rolled into round bundles, say by fives. Philippine Mats Philippine Craftsman Reprint Series No. 1 On each side of each midrib there is a transparent, thin blade with a crenate edge. The Log of the Sun A Chronicle of Nature's Year Botanical Description.—A large tree with beautiful, dark green leaves 4–5′ long, opposite, entire, large, oval with nerves numerous, fine and perpendicular to the midrib. The Medicinal Plants of the Philippines Begin the leaf in the center and continue on each side of the midrib till the edge is reached and the leaf has a thick coating of wax. The Ladies Book of Useful Information Compiled from many sources Leaves flat, with the midrib forming a distinct ridge on both sides, linear, sometimes over 2 in. long, glossy green on the upper side, slightly whitened beneath. Trees of the Northern United States Their Study, Description and Determination The spines on the under surface of the midrib are shorter and farther apart, but bend in the same direction. Philippine Mats Philippine Craftsman Reprint Series No. 1 The pupils will observe the tendrils, which are extensions of the midribs of the leaves. Ontario Teachers' Manuals: Nature Study Leaflets ovate, acute, obtusely serrate, small transparent vesicles on the surface, spines on the midrib and common petiole. The Medicinal Plants of the Philippines Then lay a wire along the midrib or center of the leaf, fasten it in the wax by pressing, care being taken to leave it long enough for eight or nine inches of stem. The Ladies Book of Useful Information Compiled from many sources Leaves parallel-veined, fan-shaped, with irregular lobes at the end, thick, leathery, with no midrib. Trees of the Northern United States Their Study, Description and Determination Generally the whole leaf is utilized after removing the marginal and midrib spines. Philippine Mats Philippine Craftsman Reprint Series No. 1 The leaf stalk and midrib and veins are stiff and strong to keep the leaves spread out. Ontario Teachers' Manuals: Nature Study Pinch each leaf from underneath along the crease in the middle, to give the depression at the midrib. Little Folks' Handy Book Wire must also be laid on all the side ribs or veins leading to the midrib. The Ladies Book of Useful Information Compiled from many sources Remove the leaves, cut the midribs into equal lengths, tie in small bunches, boil thirty minutes. Fifty Salads Open the leaves and separate the segments from the midrib with a sharp knife. Philippine Mats Philippine Craftsman Reprint Series No. 1 The Scotch and Irish snuffs are for the most part made from the midribs; the Strasburgh, French, Spanish, and Russian snuffs from the soft parts of the leaves. Tobacco; Its History, Varieties, Culture, Manufacture and Commerce The figure represents two separate broods of caterpillars feeding on either side of the midrib of the leaf. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses The leaf-blade is linear-lanceolate, finely acuminate, keeled with a distinct midrib, and with very minutely serrulate margins, 6 to 18 inches by 1/12 to 1/3 inch. A Handbook of Some South Indian Grasses Swiss chard is the midrib of the beet leaf. Fifty Salads For yellow-orange, unopened leaves having stems about two inches long are selected and the segments are removed from the midribs and rolled into bundles. Philippine Mats Philippine Craftsman Reprint Series No. 1 When the leaves were made up into hands for the purpose of fermentation before the midrib was thoroughly dry, the result was invariably mould and discoloration. Tobacco; Its History, Varieties, Culture, Manufacture and Commerce Just as the buds unfold, the young caterpillars make little holes through the tender leaves, eating the pulpy portions, not touching the veins and midribs. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses The midrib is prominent though slender at the base and four veins are present on each side with five or six smaller ones between them. A Handbook of Some South Indian Grasses At the base of each pair of leaflets, on the midrib, is a crater-formed gland, which, when the leaves are young, secretes a honey-like liquid. Journeys Through Bookland, Vol. 7 The segments are removed from the midribs, rolled into bundles and boiled in clear water for about three hours. Philippine Mats Philippine Craftsman Reprint Series No. 1 Steinheil has also recorded a Cerastium in which one of the leaves was provided with two midribs; above this leaf was a group of ternate leaves. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants The lice, of an orange color, congregate in great numbers along the midrib of the leaf, sucking out its juices. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 The first and the second glumes are empty, subequal, narrowly linear with a strong midrib which is produced into a long capillary awn. A Handbook of Some South Indian Grasses Glandular hairs on midrib of young leaflets interspersed with sessile, usually yellow glands; lateral leaflets lanceolate, not rugose J. honorei 5. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 The thorns are removed from the edges, and the midrib is cut away, thus reducing the leaf into two halves, each of which is again divided. Philippine Mats Philippine Craftsman Reprint Series No. 1 Of this the double-flowering cherry is a well-known illustration, the pistil being here represented by two small foliar laminæ, whose midribs are prolonged with a short style, terminated by an imperfect stigma. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Affected leaves have a whitish or grayish color chiefly along midrib and principal veins, due partly to the deposit of the creature's shells on molting, and partly to injury to the tissues of the leaf. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 The leaf-blade is very long, narrow linear, acuminate and narrowing downwards into the stout midrib, coriaceous, glabrous and 1-1/2 to 2 feet by 1/8 to 1/4 inch. A Handbook of Some South Indian Grasses Leaves long and narrow; the veins and midribs green; the head is greenish, and generally covered by the leaves. The Field and Garden Vegetables of America Containing Full Descriptions of Nearly Eleven Hundred Species and Varietes; With Directions for Propagation, Culture and Use. Another row of spines is present on the under surface along the midrib. Philippine Mats Philippine Craftsman Reprint Series No. 1 The latter observer considers that the funiculus, with the integuments, is the equivalent of a leaflet, the petiolule or midrib of which answers to the funiculus, and its hollow expansion to the integument. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Green says: The fresh roots, the tender stems, the leaf stalks and the midribs of the leaves make a pleasing aromatic candy. Culinary Herbs: Their Cultivation Harvesting Curing and Uses There is a distinct midrib and, on holding the leaf against the light, four or five small veins come in to view. A Handbook of Some South Indian Grasses The midribs and stalks, which are separated from the lamina of the leaf, are stewed and eaten like Asparagus, under the name of "Chard." The Field and Garden Vegetables of America Containing Full Descriptions of Nearly Eleven Hundred Species and Varietes; With Directions for Propagation, Culture and Use. Those on the midrib most often curve backwards and may vary the same as the marginal spines. Philippine Mats Philippine Craftsman Reprint Series No. 1 Moreover, the anteposed sepal is exactly like the other, has a good midrib and an entire point. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants The leaves, as soon as they have grown to a sufficient size, are plucked off, and the petiole and part of the midrib are cut away. In the Eastern Seas In most cases the midrib is prominent and in some cases there may be also a distinct keel. A Handbook of Some South Indian Grasses Harvesting.—When the stems and midribs of the leaves are thoroughly blanched, they are ready for use. The Field and Garden Vegetables of America Containing Full Descriptions of Nearly Eleven Hundred Species and Varietes; With Directions for Propagation, Culture and Use. The eggs are then layed along the midribs of the leaves and hatch in about fifteen days. Apple Growing Form b, sinuses deep, extending halfway to the midrib or farther, oblong or triangular, bristle-tipped. Handbook of the Trees of New England The branches are flattened and leaf-like, the centre traversed by a thickened midrib. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses In these grasses the laminas are folded flat on their midribs so that each half of the blade is folded flat on the other, the inner surfaces being in contact. A Handbook of Some South Indian Grasses The bases of the midribs widen out and wrap round the stem like a kind of sheath, as almost all leaf-stalks do to some extent. Chatterbox, 1905. The stalks and midrib are very broad and tender and when young are used like asparagus. Vaughan's Vegetable Cook Book (4th edition) How to Cook and Use Rarer Vegetables and Herbs As the parts mature, the woolliness usually disappears, except along the midrib and principal veins, which become almost glabrous. Handbook of the Trees of New England Where the leaf is one cell thick, the cells are oblong in form, becoming narrower as they approach the midrib and the margin. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The wing-like lateral portions of the thallus gradually thin out from the midrib; from the projecting lower surface of this numerous rhizoids spring. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Another way is to cut the midrib in the center at the small end and tear the frond into two pieces. The Manóbos of Mindanáo Memoirs of the National Academy of Sciences, Volume XXIII, First Memoir They sometimes measure from six to ten feet in length, and their thick midrib and strongly marked diverging veins give them a very lordly and graceful appearance. Falling in Love With Other Essays on More Exact Branches of Science Something is made of the midrib which is in great demand at Rome, on the Palm Sunday, and which renders this tree profitable here. Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson, Volume 2 B, outline of a leaf, showing also the thickened midrib, × 12. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The plant is composed throughout of very similar living cells, the more superficial ones containing numerous chlorophyll grains, while starch is stored in the internal cells of the midrib. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" This thatch is made by bending back on the midrib every alternate spike till all the spikes lie parallel. The Manóbos of Mindanáo Memoirs of the National Academy of Sciences, Volume XXIII, First Memoir The leaf of the tree is long, pointed, of a deep green, remarkable in this, that round the fibres proceeding from the midrib run another set near the edge, forming a handsome border. The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants The Silver, or Sea Kale, Beet is grown principally for the stalk and the midrib of the leaf, considered by some to be equal to Asparagus. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition The leaves, as in all the order, are very large, and have a thick midrib with lateral veins running to the margin. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses In thalloid forms a thinner marginal expansion or a definite wing increasing the surface exposed to the light can be distinguished from a thicker midrib serving for storage and conduction. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" These half-fronds are neither so durable nor so serviceable as if the midrib is left entire. The Manóbos of Mindanáo Memoirs of the National Academy of Sciences, Volume XXIII, First Memoir The Cos grows longer, narrower, and has spoon-shaped leaves, which have a big, coarse midrib. The Library of Work and Play: Gardening and Farming. When a fair crop of these midribs has been taken there remains the top Cabbage, which is excellent. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition The larger leaves are traversed by a strong midrib projecting strongly on the lower side of the leaf, and from this the smaller veins branch. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The lower region usually forms a more or less clearly marked midrib, and consists of parenchymatous cells, some of which may contain oil-bodies or be differentiated as mucilage cells or sclerenchyma fibres. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" "Now for the feathering," and Yan showed Sam how to split the midrib of a turkey feather and separate the vane. Two Little Savages Being the adventures of two boys who lived as Indians and what they learned The midrib of these leaves is a very strong, but extremely light and straight pole…. The Travels of Marco Polo — Volume 2 Occasionally the tender stems and midribs are coated with candied sugar as a confection. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition These are oblong and pointed, and the centre is traversed by a delicate midrib. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Pallavicinia and some related genera have a definite midrib and broad wings formed of one layer of cells, and are of interest owing to the presence of a special water-conducting strand in the midrib. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" This vegetable is a variety of beet in which the leaf stalk and midrib have been developed instead of the root. The International Jewish Cook Book 1600 Recipes According to the Jewish Dietary Laws with the Rules for Kashering; the Favorite Recipes of America, Austria, Germany, Russia, France, Poland, Roumania, Etc., Etc. The midrib of the leaf serves for oars. Flowers and Flower-Gardens With an Appendix of Practical Instructions and Useful Information Respecting the Anglo-Indian Flower-Garden This leaf is reflexed, completely hiding the pot on one side, and from its midrib scapes of elegant violet-blue flowers with white throat are thrown up to a height of eighteen inches. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition A leaf in its general contour is symmetrical: here the symmetry is about a line—the midrib. Four-Dimensional Vistas The sexual organs are borne on the upper surface of the midrib, and the sporogonium is surrounded by a bell-shaped involucre which grows up after fertilization. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The midribs of the full-grown leaves may be cooked like celery. The International Jewish Cook Book 1600 Recipes According to the Jewish Dietary Laws with the Rules for Kashering; the Favorite Recipes of America, Austria, Germany, Russia, France, Poland, Roumania, Etc., Etc. In Germany the midrib of the leaf is boiled and eaten with gravy or melted butter. Gardening for the Million The tail exactly resembled the stem or continuation of the midrib of the dead leaf. Through the Brazilian Wilderness There are several big ribs starting at the same place instead of one midrib. Ethel Morton's Enterprise The dark green thallus has an ill-defined midrib, and is composed of parenchymatous cells. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Indusium of the reflexed edges, at first reaching to the midrib, or nearly so; later opening out nearly flat; fruiting pinnules pod-like; sterile fronds broad. The Fern Lover's Companion A Guide for the Northeastern States and Canada They have triangular jointless stems, a spiked inflorescence, and long grasslike leaves which are usually rough on the margins and midrib. The Gutenberg Webster's Unabridged Dictionary Section S The trunks rose tall and strong and slender, and the fronds were branches twenty or thirty feet long, with the many long, narrow green blades starting from the midrib at right angles in pairs. Through the Brazilian Wilderness Do you see it has a big midrib and the other veins run out from it 'every which way' as Ethel Blue said, making a net? Ethel Morton's Enterprise In Dendroceros, which grows as an epiphyte in the tropics, the thallus has a well-defined midrib and broad wings composed of a single layer of cells. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Very long, nearly at right angles to the midrib, double; blade thick oblong-lanceolate, entire; heart-shaped at the base. The Fern Lover's Companion A Guide for the Northeastern States and Canada By making the best time he could, he reached the opposite corner, and was nibbling the midrib of a young corn blade and placidly viewing the landscape when the hunter passed. The Song of the Cardinal Round the ponds stood stately burity palms, rising like huge columns, with great branches that looked like fans, as the long, stiff blades radiated from the end of the midrib. Through the Brazilian Wilderness Leaves: About 1 in. wide, compounded of 3 rounded, clover-like leaflets with prominent midrib borne at end of slender petioles, springing from root. Wild Flowers Worth Knowing The leaves are simple, and except for the midrib are only one layer of cells thick. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Fruit-dots round, naked, arranged on the back of the frond in one or more rows each side of the midrib. The Fern Lover's Companion A Guide for the Northeastern States and Canada Pick a pound of spinach, throwing away the stalks and midrib. The Belgian Cookbook The longitudinal streak became absorbed in the midrib of the blade, and the insect rested secure in its invisibility. My Tropic Isle This bramble leaf was marked with a grey streak, which coiled and turned and ran along beside the midrib, forming a sort of thoughtless design, a design without an idea. Field and Hedgerow Being the Last Essays of Richard Jefferies The small strand of elongated cells in the midrib of the leaf runs down into the stem, but is not usually connected with the central strand. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The large fruit-dots nearly midway between the midrib and the margin, but nearer the margin. The Fern Lover's Companion A Guide for the Northeastern States and Canada It is a neat shrub, with wavy leaves, that are rendered conspicuous by the dark midribs. Hardy Ornamental Flowering Trees and Shrubs The midrib is severed and the web peeled therefrom for a few inches as in the "Weebah." My Tropic Isle In the Balm of Gilead, the leaf is involute, rolled towards the midrib on the upper face. Outlines of Lessons in Botany, Part I; from Seed to Leaf Their growth proceeds by means of a two-sided apical cell, and the midrib does not become more than one cell thick until later. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Large and somewhat coarse ferns of swampy woods with pinnate or nearly two-pinnate fronds, and oblong or linear fruit-dots, arranged in one or more chain-like rows, parallel to and near the midribs. The Fern Lover's Companion A Guide for the Northeastern States and Canada R. AUSTRALIS, from New Zealand, is a very prickly species, with the leaves reduced to their stalks and the midribs of three leaflets. Hardy Ornamental Flowering Trees and Shrubs By being drawn between the nails of the thumb and the first finger, the web is separated from the midrib for about three inches. My Tropic Isle Chards, a vegetable dill, composed of the footstocks and midrib of artichokes, cardoons, or white beets. Voyages of Samuel De Champlain — Volume 02 The leaves have no midrib and similar empty cells occur regularly among the narrow chlorophyll-containing cells, which thus appear as a green network. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Stipes and rachis dark brown and the sori short, near the midrib. The Fern Lover's Companion A Guide for the Northeastern States and Canada The leaves are large and elliptic, six inches long, and are rendered strangely conspicuous from the foot-stalks and midrib being dull crimson, this affording a striking contrast to the delicate green of the leaves. Hardy Ornamental Flowering Trees and Shrubs Upon the stick being moved smartly forward, the web peels from each side to the midrib, which shoots ahead with an arrow-like flight in the direction the marksman designs. My Tropic Isle Experiment 13.—Drops of the same strong infusion of raw meat were placed along the midrib of a young and rather deeply concave leaf. Insectivorous Plants The stem of the plant, which arises in the usual way, has no conducting strand and the leaves may or may not have midribs. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Fronds pale green, one to six feet high; sterile part bipinnate, each pinna having numerous pairs of lance-oblong, serrulate pinnules alternate along the midrib. The Fern Lover's Companion A Guide for the Northeastern States and Canada The blades of all these cotyledons had attained almost their full size, viz. from 1 to 1 ½ inches in length, measured along their midribs. The Power of Movement in Plants The loose ends of the web being retained between the thumb and the second finger, the midrib peels off completely when the hand is propelled, the impulse being transmitted to the dart. My Tropic Isle Experiment 5.—A large fragment of a fly was placed halfway between the apex and base of a leaf and halfway between the midrib and one margin. Insectivorous Plants Another, and the most graceful, resembles two bright green leaves, the midrib and the nerve system being imitated perfectly. Confessions of a Beachcomber Shorter and irregularly scattered on the under side of the frond, some parallel to the midrib, others oblique to it, and often in pairs or joined at the ends; blade tapering to a slender tip. The Fern Lover's Companion A Guide for the Northeastern States and Canada A filament had been fixed to the midrib of one of the cotyledons, and the movement of the whole seedling was traced during two days. The Power of Movement in Plants The winds had blown the cocoons agianst the limbs and worn away the projecting edges of the leaves, but the midribs and veins showed plainly. Moths of the Limberlost The midrib of the leaf, on the lower side, is strongly developed and prominent. Insectivorous Plants This structure consists of a midrib and a number of transverse flat ridges capable of being raised or depressed. Confessions of a Beachcomber Indusium rather narrow, opening toward the midrib, fronds lobed or variously divided. The Fern Lover's Companion A Guide for the Northeastern States and Canada A young cotyledon or leaf after bursting free is brought down into its proper position, as already remarked, by epinasty, which, according to De Vries, long continues to act on the midribs and petioles. The Power of Movement in Plants It is a creeper which makes its way towards the light, suspending itself to branches and twigs by means of the curved spines which prolong the midribs of the leaves. The Pagan Tribes of Borneo All the gelatine was absorbed, and there was only a little acid secretion left on the midrib. Insectivorous Plants Leaves: Opposite, rounded or broadly ovate, pointed at the tip, finely saw-edged, unevenly divided by midrib, scurfy on veins beneath. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors The indusium is formed of the altered margin of the pinnule, at first reflexed to the midrib, giving it a pod-like appearance, but at length opening out flat and exposing the sporangia. The Fern Lover's Companion A Guide for the Northeastern States and Canada A filament was fixed to the midrib of one of the longer leaflets, and the movement of the whole leaf was traced, as shown in Fig. The Power of Movement in Plants Between these two points there runs a dark curved line exactly representing the midrib of a leaf, and from this radiate on each side a few oblique marks which well imitate the lateral veins. The Malay Archipelago, the land of the orang-utan and the bird of paradise; a narrative of travel, with studies of man and nature — Volume 1 Two of the slightly diverging arms are directed towards the circumference, and two towards the midrib, forming together a sort of Greek cross. Insectivorous Plants Leaves: Alternate, oval, slightly scalloped, thick, fleshy, smooth, juicy, pale gray green, with stout midrib, seated on stalk. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors Veins areolate; fertile fronds taller, twelve to twenty inches high with narrowly linear divisions, the areoles and fruit-dots in a single row each side of the secondary midrib, the latter sunk in the tissues. The Fern Lover's Companion A Guide for the Northeastern States and Canada A rather old, horizontally extended leaf, with a filament attached along the under side of the midrib, was next observed during 7 h. The Power of Movement in Plants In Mutisia clematis, the tendril, in shape and colour, closely resembles the petiole of one of the ordinary leaves, together with the midribs of the leaflets, but vestiges of the laminae are still occasionally retained. The Movements and Habits of Climbing Plants In Dionaea the whole lobe, with the exception of the marginal prolongations or spikes, curves inwards, though the chief seat of movement is near the midrib. Insectivorous Plants These latter are rather thin, oval, slightly pointed, wavy or slightly saw-edged, the midrib prominent above and below. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors The fronds are pale green, delicate and hairy beneath along the midrib and veins. The Fern Lover's Companion A Guide for the Northeastern States and Canada At the same time they bend downwards in a plane at right angles to that of their former position, until their midribs form an angle of about 45o with the upper part of the petiole. The Power of Movement in Plants We now come to a small section of plants which climb by means of the produced midribs or tips of their leaves. The Movements and Habits of Climbing Plants After 24 hrs. the margin was rolled into a cylinder, the outer surface of which touched the blade of the leaf and reached to within the 1/20 of an inch of the midrib. Insectivorous Plants Leaves: in whorls of 6 or 8, narrow, midrib and edges very rough. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors After they have fallen off, the blade on each side of the midrib often becomes curled up while drying, sometimes along the whole length, sometimes chiefly at the base, sometimes towards the apex. The formation of vegetable mould through the action of worms, with observations on their habits With respect to the leaflets, they move at night towards the apex of the petiole until their midribs stand nearly parallel to it; and they then lie neatly imbricated one over the other. The Power of Movement in Plants This is effected by the stalk or midrib between the leaf and the pitcher coiling round any support. The Movements and Habits of Climbing Plants A thick mass of cellular tissue forms the upper surface of the midrib over the great central bundle of vessels. Insectivorous Plants The long, pale green, spiny-margined, milky leaves, with stiff prickles on the midrib beneath, are doubly protected against insect borers and grazing cattle. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors The further development, however, goes on ceaselessly in the leaf, from node to node; its midrib is elongated, and more or less additional ribs stretch out from this towards the sides. A History of Science — Volume 4 Thus the surface of the blade always stands vertically, whatever may be the position of the midrib or of the leaf as a whole. The Power of Movement in Plants A leaf was cut open along the midrib, and the glands examined under a high power. Insectivorous Plants On another occasion, in which a leaf with an enclosed bit of roast meat spontaneously opened after eight days, there was so much secretion in the furrow over the midrib that it trickled down. Insectivorous Plants Leaves: About 1 in. wide, compounded of 3 rounded, clover-like leaflets with prominent midrib, borne at end of slender petioles, springing from root. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors A midrib is elongated through a succession of several leaves, the single fan-shaped leaf becomes torn and diverted, and a very complicated leaf is developed, which rivals a branch in form. A History of Science — Volume 4 June 26th to 8.45 A.M. 27th; filament fixed along the midrib. The Power of Movement in Plants The distance from the edges to the midribs was carefully measured. Insectivorous Plants The chief seat of the movement is evidently in the thick mass of cells which overlies the central bundle of vessels in the midrib. Insectivorous Plants Leaves: Opposite, lance-shaped, seated on stem, with bristles along the stout midrib. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors It differs chiefly in the larger size of its leaves, and in the glandular hairs near the basal part of the midrib being longer. Insectivorous Plants They thus become imbricated with their midribs parallel to the petiole. The Power of Movement in Plants The margins of the leaves are much more involuted; those of the older ones extending over a third of the space between the midrib and the outside. Insectivorous Plants I therefore placed two little square bits of the blade of a cabbage-leaf, and four little cubes cut from the midrib, on six leaves of Drosera. Insectivorous Plants Leaves: All from thick, fleshy rootstock, narrowly oblong, tapering into margined petioles, thick, the edges slightly waved, not toothed; midrib prominent. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors The leaflets, however, sometimes bend so much back that their midribs become parallel to and lie on the petiole. The Power of Movement in Plants Another full-grown leaf had a filament attached externally along one side of the midrib and parallel to it, so that the filament would move if the lobes closed. The Power of Movement in Plants Coronilla rosea: leaf asleep. their midribs at right angles to the petiole. The Power of Movement in Plants The surface of a leaf, near the midrib and towards the base, was rubbed and scratched for some time, but no movement ensued. Insectivorous Plants Even the petioles and underside of the leaf's midrib are set with prickles. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors The petiole of C. floribunda was secured to a stick at the base of the two terminal leaflets, and a filament was fixed along the midrib of one of them. The Power of Movement in Plants A glass filament was attached to the under side of the midrib, and its movements were traced on a vertical glass. The Power of Movement in Plants Filament affixed to midrib of terminal leaflet; its apex 6 inches from the vertical glass. The Power of Movement in Plants The bilobed leaf, with the midrib likewise tipped with a bristle, stands in the midst of these projections, and is evidently defended by them. Insectivorous Plants |
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