| 单词 | pinnule |
| 例句 | The cordate pinnules sometimes found here are commoner in Europe. 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 Its value was much impaired by his preference of the antique “pinnules” to telescopic sights on quadrants. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Arms fork once to thrice, and bear pinnules on each or on every other brachial. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z It is probably a fern, more minute in its pinnules than even our smallest specimens of true maidenhair. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Ordinary frond and forked and crested varieties of the same, the crest arising from the inordinate development of the margins of the pinnules. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants The leaves are gracefully arched, the pinnules rather broader than in the type, more closely arranged, and of a deep tone of rich green. Scientific American Supplement, No. 810, July 11, 1891 Branches simple, 2 to 3 inches long; pinnules about 1/4 inch. Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 When a frond is tripínnate the last complete divisions are called ultimate pinnules or segments. The Fern Lover's Companion A Guide for the Northeastern States and Canada The French pinnule is properly a sight-vane at the end of a traversing bar. The Travels of Marco Polo — Volume 1 When contracted, the pinnules are pressed against the arms, and the arms themselves shut against one another, so that the whole looks like a swash made up of a few long, coarse twines. Louis Agassiz: His Life and Correspondence Ferns with much divided leaves and short, marginal sori borne at the ends of free-forking veins, on the under side of the reflexed and altered portion of the pinnules, which serves as an indusium. The Fern Lover's Companion A Guide for the Northeastern States and Canada Stem and branches pinnate or bipinnate, the pinnae and pinnules alternate. Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 Fruit in lines on the margin of the pinnules; under surface of the fronds covered with whitish powder. The Fern Lover's Companion A Guide for the Northeastern States and Canada Pinnæ sub-opposite, divergent, narrowly oblong, obtuse; base truncate, cordate or clasping, occasionally auricled; lower pinnæ often with orbicular or cordate pinnules. The Fern Lover's Companion A Guide for the Northeastern States and Canada When disturbed, the pinnules of the arms first contract, the arms straighten themselves out, and the whole gradually and slowly closes up. Louis Agassiz: His Life and Correspondence The parts of the oak fern develop with great regularity, each pinna, pinnule and lobe having another exactly opposite to it nearly always. The Fern Lover's Companion A Guide for the Northeastern States and Canada The branches and branchlets are both pinnulated; the pinnules are not more than 1/10 to 1/12 inches long, extremely delicate and minute, so as in the dry state to be scarcely visible. Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 Sori on the edge of a pinnule terminating a vein; sporangia at the base of a long, bristle-like receptacle surrounded by a cup-shaped indusium. The Fern Lover's Companion A Guide for the Northeastern States and Canada Pinnules on the inferior side of the pinnæ often elongated, especially the lower pair, the pinnule nearest the rachis being usually the longest, at least in the lowest pinnæ. The Fern Lover's Companion A Guide for the Northeastern States and Canada Inferior pinnules on the lower pair of pinnæ conspicuously elongated. The Fern Lover's Companion A Guide for the Northeastern States and Canada Very variable in the cutting of the pinnules. The Fern Lover's Companion A Guide for the Northeastern States and Canada Colour bright brown, rachis shining, very dark brown; polypidom about six inches high, simply pinnulate, pinnules about half an inch; thickly and regularly disposed, alternate. Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 Indusium formed by the reflexed margin of the pinnules. The Fern Lover's Companion A Guide for the Northeastern States and Canada In outline the fragile bladder fern suggests the blunt-lobed Woodsia, but in the latter the pinnæ and pinnules are usually broader and blunter, and its indusium splits into jagged lobes. The Fern Lover's Companion A Guide for the Northeastern States and Canada The fertile fronds shorter, closely bipinnate with the pinnules rolled up into berry-like structures which contain the spore cases. The Fern Lover's Companion A Guide for the Northeastern States and Canada 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 These divisions of the pinnæ are called pinnules. The Fern Lover's Companion A Guide for the Northeastern States and Canada Indusium narrow, seldom continuous, formed by the margin of separate lobes or of the whole pinnules; often inconspicuous, fronds usually hairy. The Fern Lover's Companion A Guide for the Northeastern States and Canada Var. pseudocaudàta has longer, narrower and more distant pinnules, and is a common southern form. The Fern Lover's Companion A Guide for the Northeastern States and Canada Veins extending from the base of the pinnules like the ribs of a fan. The Fern Lover's Companion A Guide for the Northeastern States and Canada 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 The indusium whitish and sometimes herbaceous, formed of the reflexed margin of the lobes or of the whole pinnule. The Fern Lover's Companion A Guide for the Northeastern States and Canada 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 Pinnæ and pinnules ovate-oblong, densely woolly especially beneath, with slender, whitish, obscurely jointed hairs. The Fern Lover's Companion A Guide for the Northeastern States and Canada Small ferns with fruit-dots borne beneath the revolute margin of the pinnules, at first roundish, but soon confluent into a narrow band without indusium. The Fern Lover's Companion A Guide for the Northeastern States and Canada An unusually large and rare form with triangular, lanceolate, and pinnatifid pinnules, having blunt, oblong segments. The Fern Lover's Companion A Guide for the Northeastern States and Canada Lower pinnules of the lateral divisions scarcely longer than the others. The Fern Lover's Companion A Guide for the Northeastern States and Canada Fronds broadly triangular, ternate, one to three feet high or more, the widely spreading branches twice pinnate, the lower pinnules more or less pinnátifid. The Fern Lover's Companion A Guide for the Northeastern States and Canada |
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