| 单词 | columella |
| 例句 | Shell with clouded purple longitudinal stripes; spire lengthened; inner lip chesnut-black; columella thickened, gibbous; base entire. Zoological Illustrations, Volume III or Original Figures and Descriptions of New, Rare, or Interesting Animals 2012-04-20T02:00:06.887Z Mitre, with the epidermis marbled with brownish-yellow; volutions at their base black; columella five-plaited. Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals 2012-04-19T02:00:27.027Z Thallus without epidermis; capsule with a columella, short-pedicelled or sessile on the thallus. 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 delicate, spindle-shaped columellae lie ventral to the tegmen tympani and squamosals, are spatulate distally, and have a broad basal attachment to the auditory region. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z Laterally this bone is deeply emarginate; posteriorly it forms a large part of the otic notch, through which the columella passes. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z A. effusa may be distinguished from all others by the columella being nearly obsolete; this part existing only in the two terminal whorls of the spire. Zoological Illustrations, Volume III or Original Figures and Descriptions of New, Rare, or Interesting Animals 2012-04-20T02:00:06.887Z A. Shell cinereous-white, with two narrow brown bands, spire elongated, straight; volutions seven, slightly ventricose, inner lip rosy, base of the columella straight, entire, aperture ovate-oblong. Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals 2012-04-19T02:00:27.027Z Occupying the axis, and exposed by the section, is seen the “columella” or spiral pillar. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z Shortly thereafter the anterior arm of the squamosal ossifies, the distal part of the columella appears, and the anterior and lateral parts of the auditory region ossify. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z The columella is a long, thin bony rod that terminates posteriorly in cartilage. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z The pro�tic encloses between it and the lateral occipital the fenestra ovalis, into which fits the columella of the ear. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z Shell cylindrical, polished, spire conic acuminated, very short; outer lip simple, inner lip thickened, tumid, columella with numerous slender plaits, aperture at the base truncatedly emarginate. Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals 2012-04-19T02:00:27.027Z This columella muscle is the same thing as the muscles adhering to the shell in Patella, and the posterior adductor of Lamellibranchs. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z On the base is a circular band of purple round the columella, which is white. Beautiful Shells of New Zealand An Illustrated Work for Amateur Collectors of New Zealand Marine Shells, with Directions for Collecting and Cleaning them It is the cartilagenous part of the columella that connects with the external sound detecting mechanism. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z The hyph� are thicker than the spores and branched, continuous with the slightly cellular base, and forming a columella inside the peridium. Student's Hand-book of Mushrooms of America, Edible and Poisonous "Whether the thread is hollow or solid, simple or branched, free or connected with the peridium or a columella,—these are entirely secondary conditions, depending on the extent and form of the vacuoles." The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Shell ovoid, with short spire and folded columella; foot small, no operculum; siphon short. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z The interior is nacreous, and of a greenish colour, with a white patch round the columella. Beautiful Shells of New Zealand An Illustrated Work for Amateur Collectors of New Zealand Marine Shells, with Directions for Collecting and Cleaning them The columella and the squamosal extend posteriorly beyond the limits of the braincase. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z Stipe tapering upward and continued within the sporangium as a more or less elongated columella. The Myxomycetes of the Miami Valley, Ohio The columella is dark-colored, forming the floor of the peridial cavity. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Spire of shell prominent, aperture narrow, canal very short, columella crenelated; foot large. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z There are two sets of threads; one set arises from the peridial wall and the other from the subgleba or columella. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth A rod-like columella auris replaces the chain of ear ossicles, and may, or may not, answer to the stapes alone, or even possibly to the entire series. Text Book of Biology, Part 1: Vertebrata Capillitium of slender brown threads, arising from numerous points of the columella, repeatedly branching and usually anastomosing to form a network, persistent and rigidly preserving the outline of the sporangium. The Myxomycetes of the Miami Valley, Ohio It is distinguished from the preceding by the longer, more delicate, generally orange-yellow, stem with pale or white columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Shell fusiform and solid, aperture elongated, columella folded; no operculum; eyes on sides of tentacles. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z The columella is present and the spores are round and minutely warted. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth In birds, where there is a single ear-ossicle, the columella, the middle piece of arch I forms, as we have seen, the quadrate, by means of which the lower jaw is joined to the skull. Form and Function A Contribution to the History of Animal Morphology This order is readily distinguished by the brown persistent capillitium, arising from a lengthened columella, and rigidly maintaining the form of the sporangium. The Myxomycetes of the Miami Valley, Ohio Dr. Rex considered that the species differs from other related forms not only in color, but in the well-marked discoidal columella and the jet-black irregular stipe. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Shell ovoid, with short spire, wide aperture and folded columella; inferior pallial lobe thick; visceral commissure still twisted. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z In Bovista the threads are free or separate from the peridium, but in Lycoperdon they arise from the peridium and also from the columella. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth The columella is formed from the middle piece of the three into which the cartilage of the second arch segments. Form and Function A Contribution to the History of Animal Morphology A. Stipe and columella brown or black. a. The Myxomycetes of the Miami Valley, Ohio What may occasion such divergence of statement none may say; such forms as come in so far from our western mountains have no columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species This wall pushes up into the young sporangium, forming a structure called the “columella.” Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The threads, or capillitium, which bear the spores proceed from the walls of the peridium and form the central columella. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth The cartilaginous rod supporting the second visceral arch divides into three pieces on each side, of which the lower two form the hyoid, the uppermost the columella. Form and Function A Contribution to the History of Animal Morphology The columella scarcely reaching the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio The capillitium rises by branching from the columella, rather more prolific than usual, and combines to form a distinct superficial net of large even meshes. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species When fully grown, the sporangium is globular, and appears quite opaque, owing to the numerous granules in the protoplasm filling the space between the columella and its outer wall. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Mouth lifted on a slight cone, lip bordered with a hair-like fringe; columella slender, as are also the threads. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth In reptiles the upper segment of the second arch formed, as in birds, the columella. Form and Function A Contribution to the History of Animal Morphology The columella extending beyond the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio The long, slender, simple columella is not only lateral, but occupies indeed the sharp vertical angle of the triangular, prismatic sporangium. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The Anthocerotales are a small and very distinct group, in which the gametophyte is a thallus, while the sporogonium possesses a sterile columella and is capable of long-continued growth and spore production. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" A shell pin made from the columella of a large univalve. Illustrated Catalogue of a Portion of the Collections Made During the Field Season of 1881 Third Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1881-82, Government Printing Office, Washington, 1884, pages 427-510 From one of the specimens recovered from the mound sepulchre, the spire and columella had been removed, leaving a hollow utensil. Scientific American, Volume XXIV., No. 12, March 18, 1871 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Threads of the capillitium pendent from a discoid membrane at the apex of the columella. The Myxomycetes of the Miami Valley, Ohio Furthermore, the sporangium is at maturity strangely twisted, so that the columella in its ascent accomplishes one or more spiral turns. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The archesporium arises by the next divisions in the outer layer of cells, and thus extends over the summit of the columella. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The only artificial object was a section 3¼ inches long of a columella perforated lengthwise, apparently lost by the wearer, as it lay on the natural surface. Archeological Investigations Bureau of American Ethnology, Bulletin 76 The mouth subquadrangular, outer lip crenulated at the edge, the columella lip smooth, with a large tooth at the inside, and a little roughness on the outer side; axis three-tenths, diameter five-twelfths of an inch. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 Stipe elongated, tapering upward, entering the sporangium as a very short or nearly obsolete columella. The Myxomycetes of the Miami Valley, Ohio In forms collected by Dr. Rex, which seemed to him most nearly to agree with Massee's species, the inner capillitium is somewhat abundant, but the character of the columella just the same. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species In some species, although the columella and archesporium arise in the usual way, both give rise to mingled spores and elaters, and no sterile columella is developed. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Near the center were a few fragments of bone, with a columella bead 4 inches long, perforated lengthwise. Archeological Investigations Bureau of American Ethnology, Bulletin 76 A single bleached specimen, agreeing with this description excepting in having five instead of three or four plaits on the columella, was brought up by the sounding line. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 Stipe more or less elongated, smooth, brown or black in color, arising from a hypothallus, tapering upward and entering the sporangium as a short columella scarcely reaching the center. The Myxomycetes of the Miami Valley, Ohio In fact, the shape is determined chiefly by the mode of branching as affects the columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The development of the sporogonium proceeds as in the Bryales, but the dome-shaped archesporium extends over the summit of the columella and an air-space is wanting. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" A fine, solid, brown species, generally more or less eroded, and with a peculiarly strongly plicate columella. Explorations in Australia The Journals of John McDouall Stuart In this type the lamellae are massive, and extend to the axis or columella composed of loose cellular tissue, without any transverse plates like those in Figure 474, a. b. The Student's Elements of Geology Capillitium of numerous threads radiating from the columella, usually forking several times and combined into a net by lateral anastomosing branchlets. The Myxomycetes of the Miami Valley, Ohio In this discussion we have assumed as typical the globose sporangium, with the variations in the direction of ovate, obovate, ellipsoidal, etc., the capillitium flexuous and more richly anastomosing near the columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species On account of the absence of a columella Archidium is sometimes placed in a distinct group, but since its peculiarities have possibly arisen by reduction it seems at present best retained among the Bryales. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Stipe and columella erect, brown and smooth, rising from a thin pallid hypothallus, tapering upward and vanishing into the capillitium toward the apex of the sporangium, the stipe usually longer than the columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The twelve principal plates reach the columella, and between each pair there are three secondaries, in all forty-eight. The Student's Elements of Geology Lamproderma is distinguished by the shining metallic tints of the sporangial wall, and by the short columella scarcely reaching half the height of the sporangium. The Myxomycetes of the Miami Valley, Ohio C. LAMPRODERMACE� Sporangia distinct, generally gregarious, more or less spherical; capillitium developed chiefly or solely from the summit of the columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species In such forms as Phascum the columella persists, and the only peculiarity is in the absence of arrangements for dehiscence. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The peculiar orange color of the calcareous deposits in stipe and columella easily distinguish this species. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The short intermediate plates which proceed from the columella are not counted. The Student's Elements of Geology Stipe long, slender, brown or blackish, arising from a small circular hypothallus; columella clavate, obtuse, not reaching the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio Sporangia stipitate, the stipe extended as a columella, which entirely traverses the sporangium and forms at the apex an expanded disk; from this depends the capillitium. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species In typical forms, the columella branches at the apex only, generally into two strong divisions which then break up irregularly and anastomose in every direction. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species This seems to have been the form present to Rostafinski when he wrote "columella truncate." The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species A part of the columella and branches, � 60. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe long and slender, smooth, shining and black, rising from a thin hypothallus; the columella short cylindric, variable in length, but not attaining the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio Sporangium globose, distinct, stipitate; the columella short or obsolete; the capillitium of few sparsely branched threads, which bear at their tops the persistent fragments of the peridium, but are not otherwise united. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe and columella brown and smooth, tapering gradually upward and vanishing beneath the apex of the sporangium, the stipe much shorter than the columella. The Myxomycetes of the Miami Valley, Ohio Stipe and columella black and smooth, the stipe very short, the columella extending nearly or quite to the apex of the sporangium, the upper part usually flexuous. The Myxomycetes of the Miami Valley, Ohio Stipe and columella black and shining, the stipe very short, the columella reaching nearly or quite to the apex of the sporangium, often flexuous above. The Myxomycetes of the Miami Valley, Ohio The columella is somewhat variable, it sometimes forks or divides immediately on entering the sporangium, at other times it is longer and cylindric, with more slender primary branches. The Myxomycetes of the Miami Valley, Ohio In mature specimens the peridium has often entirely disappeared, its only trace, a collar, more or less distinct, around the stipe, marking the beginning of the columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium originating from the lower surface of the apical disk of the columella; the threads branched a few times and hanging downward, their extremities free. The Myxomycetes of the Miami Valley, Ohio Stipe black, rugulose, thick below, tapering above into the slender columella, which, at its apex, expands into a thin membranaceous disk. The Myxomycetes of the Miami Valley, Ohio Stipe and columella thick, erect, rigid, tapering upward, filled with minute, roundish granules of lime, white or yellowish in color. The Myxomycetes of the Miami Valley, Ohio Stipe short, stout, brown or blackish in color, arising from a thin, brown, common hypothallus; columella cylindric, or tapering slightly to an obtuse apex, attaining the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio In Central American and some North American specimens, the branching is very different; the twigs leave the columella at various points almost down to the annulus, and the entire effect is dendroid. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium arising from numerous points of the columella, the threads repeatedly branching and anastomosing to form an intricate network, attaining the wall by numerous short free extremities. The Myxomycetes of the Miami Valley, Ohio This genus is scarcely to be distinguished from Lamproderma, except by the white mass of lime which fills the tube of the stipe and columella. The Myxomycetes of the Miami Valley, Ohio Stipe short, thick, white, arising from a white, venulose, hypothallus, tapering upward; the columella cylindric or slightly tapering, obtuse, terminating below the apex of the sporangium. The Myxomycetes of the Miami Valley, Ohio Stipe usually short, or sometimes nearly obsolete, brown or blackish in color, arising from a strongly-developed hypothallus; the columella cylindric or slightly tapering upward, and obtuse, reaching nearly to the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio Rostafinski bases his diagnosis upon the branching of the columella, which is, as we have seen, inconstant, and upon the colorless capillitium. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe short, thick, white, arising from a white, reticulate hypothallus, tapering upward; the columella oblong or short cylindric, extending beyond the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio Capillitium of slender, brown threads, radiating from all points of the columella, branching several times and forming a loose network of elongated meshes. The Myxomycetes of the Miami Valley, Ohio In its structure the species is essentially a Lamproderma, but the stipe and columella are stuffed with granules of lime. The Myxomycetes of the Miami Valley, Ohio Capillitium of numerous pale-brown threads, radiating from the apex of the columella; these fork directly from the base, are bent and flexuous, and are combined into a dense, intricate net, with abundant free extremities. The Myxomycetes of the Miami Valley, Ohio Sporangia distinct, globose, minute, the structure limited to a few imperfect rib-like, loosely joined branches developed from the short columella or stem-top, sustaining the spores. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe present or often wanting; the columella usually conspicuous and well-developed. The Myxomycetes of the Miami Valley, Ohio Stipe present or sometimes wanting; the columella mostly conspicuous, sometimes thin or obsolete. The Myxomycetes of the Miami Valley, Ohio Capillitium of very slender threads, straight or often sinuous, stretching from the columella to the wall of the sporangium, simple or outwardly sparingly branched at a sharp angle. The Myxomycetes of the Miami Valley, Ohio Stipe long, slender, smooth, and shining, brown or blackish, rising from a thin, brown, common hypothallus; columella cylindric or slightly tapering to the obtuse apex, not reaching the center of the sporangium. The Myxomycetes of the Miami Valley, Ohio Tip of the columella with its branches, � 50. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe short, erect, snow-white, longitudinally furrowed or plicate; the columella central, snow-white, various in shape, globose, obovoid, turbinate, and stipitate or sessile. The Myxomycetes of the Miami Valley, Ohio Capillitium of numerous colorless threads, radiating from the columella and separating outwardly into several branches. The Myxomycetes of the Miami Valley, Ohio Stipe long, erect, tapering upward, yellow-brown to reddish-brown, expanding at the base into a small hypothallus; the columella central, white, turbinate, or discoid turbinate. The Myxomycetes of the Miami Valley, Ohio Capillitium of numerous brown threads, originating about the apex of the columella; these fork several times, with few anastomosing branchlets, and terminate at the wall in long, free extremities. The Myxomycetes of the Miami Valley, Ohio A single sporangia, enlarged to show columella, � 20. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium of slender, colorless threads, radiating from the columella, branching and often anastomosing. The Myxomycetes of the Miami Valley, Ohio Stipe long, erect, tapering upward, pale yellow-brown, darker below, expanding into a small brown hypothallus; the columella central, large, discoid, or sometimes rough and irregular, pale ochre or yellowish. The Myxomycetes of the Miami Valley, Ohio Stipe long, slender, erect, delicately striate, yellow-brown to blackish in color, expanded at the base into a small hypothallus; the columella small, globose, sessile or substipitate, pale yellow-brown. The Myxomycetes of the Miami Valley, Ohio Stipe more or less elongated, smooth and black, arising from a common hypothallus, tapering upward, entering the sporangium and prolonged nearly or quite to the apex as a columella. The Myxomycetes of the Miami Valley, Ohio The stipe, springing from a small hypothallus, is dark red below for about one-fourth its height, then vermillion, above expanding slightly beneath the peridium; the columella scant or none. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium of slender colorless threads, radiating from the columella and more or less branched outwardly. The Myxomycetes of the Miami Valley, Ohio The columella large and thick, divided into cells which are filled with irregular lumps of lime, common to all the sporangia. The Myxomycetes of the Miami Valley, Ohio Stipe variable in length, rigid, erect, black or sometimes rusty-brown, arising from a small hypothallus; the columella broad, hemispherical or pulvinate, black, the lower side connate with the wall of the sporangium. The Myxomycetes of the Miami Valley, Ohio Capillitium arising from numerous points of the columella throughout its entire length; the threads immediately branching and anastomosing to form an interior network, attaining the wall by numerous more or less elongated free extremities. The Myxomycetes of the Miami Valley, Ohio It is, however, much smaller, has a calcareous stipe, and a much less variegated peridium, and generally a small columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe short, erect, rugulose, brown or blackish, expanding at the base into a small hypothallus; the columella reduced to a thin layer of minute brown scales upon the base of the sporangium. The Myxomycetes of the Miami Valley, Ohio Each sporangium traversed by a central subcylindric hollow columella, which extends also to the branches, but does not reach to their apices. The Myxomycetes of the Miami Valley, Ohio I am disposed to question the existence of the central columella altogether; if it does exist, it must be extremely defective. The Myxomycetes of the Miami Valley, Ohio Stipe and columella brown or blackish, tapering upward and vanishing near the apex of the sporangium, the stipe much shorter than the columella. The Myxomycetes of the Miami Valley, Ohio Readily recognizable by the elongate sporangia and the lengthened columella unique among physarums. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe present or mostly absent; the columella usually well developed. The Myxomycetes of the Miami Valley, Ohio Capillitium of very slender threads, stretching from the columella to the wall of the sporangium, more or less branched, and combined into a loose net by short lateral branchlets. The Myxomycetes of the Miami Valley, Ohio Capillitium of slender dark-colored threads, radiating from the columella, simple or branching outwardly. The Myxomycetes of the Miami Valley, Ohio Stipe and columella slender, smooth, black, extending nearly or quite to the apex of the sporangium, the stipe longer than the columella. The Myxomycetes of the Miami Valley, Ohio The columella is scant, and the spores are smaller than those of D. melanospermum. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium of dark-colored threads, radiating from the columella and sparingly branched. The Myxomycetes of the Miami Valley, Ohio The color of stipe, columella and sporangium varies from white through yellowish to brown; the spores are quite peculiar by reason of their prominent scattered warts. The Myxomycetes of the Miami Valley, Ohio Capillitium rather scanty, of slender colorless threads, sparingly branched, ascending from the columella. The Myxomycetes of the Miami Valley, Ohio The stipe very long, smooth and black, tapering upward, expanding at the base into a small circular hypothallus; the columella short, reaching from one-half to three-fourths the height of the sporangium. The Myxomycetes of the Miami Valley, Ohio A similar remark may be made relative to the form of the columella which Rostafinski, in his figures especially, would make diagnostic. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe present or absent; the columella usually conspicuous. The Myxomycetes of the Miami Valley, Ohio Capillitium of slender, dark colored threads, simple or sparingly branched, radiating from the columella to the wall. The Myxomycetes of the Miami Valley, Ohio Showing the rough columella of one form. b. The Myxomycetes of the Miami Valley, Ohio Stipe and columella smooth and black, tapering upward and reaching the apex of the sporangium, the columella bent and flexuous or spirally twisted, about as long as the stipe. The Myxomycetes of the Miami Valley, Ohio The columella in the sporangia with largest and roughest spores is that of a perfectly normal D. squamulosum. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Section through the discoid columella of the very much depressed form. The Myxomycetes of the Miami Valley, Ohio Stipe present or often wanting, seldom prolonged within the sporangium as a columella. The Myxomycetes of the Miami Valley, Ohio Stipe prolonged within the sporangium as a columella. The Myxomycetes of the Miami Valley, Ohio Stipe very short or nearly obsolete, the columella rising to two-thirds or three-fourths the height of the sporangium. The Myxomycetes of the Miami Valley, Ohio In the species last named the columella or sporangial base is alutaceous, not white; in Fries' species, while the columella if present may be white, the peridial walls are different, difficult to distinguish. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe elongated, tapering upward, entering the sporangium and prolonged to the apex as a tubaeform columella. The Myxomycetes of the Miami Valley, Ohio Stipe long, erect or flexuous, the apex bent or curved, red-brown, rising from a small hypothallus, entering the sporangium and prolonged to the apex as a hollow tubaeform columella. The Myxomycetes of the Miami Valley, Ohio Stipe more or less elongated, tapering upward and entering the sporangium as a columella. The Myxomycetes of the Miami Valley, Ohio Stipe and columella capillary, smooth and black, reaching to the apex of the sporangium or often vanishing in the network far below it, the stipe very short, the columella long and flexible. The Myxomycetes of the Miami Valley, Ohio It resembles D. sauteri but is distinguished by the plicate white wall, the stout columella with its lateral extensions, as by the more delicate spores. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Sporangium globose, the columella not reaching its center. The Myxomycetes of the Miami Valley, Ohio Stipe long, erect, dark purple to purplish black, tapering upward and entering the sporangium as a slight obtuse columella. The Myxomycetes of the Miami Valley, Ohio Stipe stout, erect, yellow, longitudinally rugulose, expanded at the base, tapering upward and entering the sporangium as a short obtusely conical columella. The Myxomycetes of the Miami Valley, Ohio Stipe brown or black, smooth and shining, tapering upward, entering the sporangium and prolonged nearly to the apex as a slender columella, the stipe shorter than the columella. The Myxomycetes of the Miami Valley, Ohio The stipe is very short, and the columella runs as a straight, gradually diminishing axis to the very apex of the sporangium. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe variable in length, slender, from orange or orange-red to dark red in color, sometimes blackish below, rising from a thin hypothallus, tapering upward and entering the sporangium as a short obtuse columella. The Myxomycetes of the Miami Valley, Ohio Stipe variable in length, concolorous with the sporangium or darker below, tapering upward and entering the sporangium as a short obtusely conical columella. The Myxomycetes of the Miami Valley, Ohio Stipe variable in length, white or smoky-white, usually darker below, rising from a thin hypothallus, tapering upward and entering the sporangium as a short obtuse or conical columella. The Myxomycetes of the Miami Valley, Ohio Stipe and columella smooth and black, tapering gradually upward and disappearing near the apex of the sporangium, the stipe shorter than the columella. The Myxomycetes of the Miami Valley, Ohio If we take No. 9 as type, 10 has an eccentric columella; 8 is shorter, about 1 cm., of a different tint, Dr. Rex even says "spores ferruginous in mass". The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The lime nodules in the capillitium are sometimes round and quite minute, then again they are large and obtusely angular; the columella varies from very short and conical to longer and more cylindric. The Myxomycetes of the Miami Valley, Ohio Stipe short, sometimes very short or nearly obsolete, snow-white, expanding at the base into a small white hypothallus, tapering upward and entering the sporangium as a short obtusely conical columella. The Myxomycetes of the Miami Valley, Ohio Sporangium ellipsoidal or pyriform, the columella prolonged nearly to the apex of the sporangium. The Myxomycetes of the Miami Valley, Ohio Stipe and columella black and smooth, tapering gradually upward and vanishing toward the apex of the sporangium, the stipe shorter than the columella. The Myxomycetes of the Miami Valley, Ohio In Comatricha the anastomosing is general, from the columella out, and is not specialized at the surface. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe long, slender, translucent, pale red to dark red in color, tapering upward, entering the sporangium and prolonged nearly to the apex as a slender columella. The Myxomycetes of the Miami Valley, Ohio Stipe present or often wanting, never prolonged within the sporangium as a columella. The Myxomycetes of the Miami Valley, Ohio Stipe variable in length, arising from a common hypothallus and prolonged within the sporangium as a columella. The Myxomycetes of the Miami Valley, Ohio Stipe and columella brown and smooth, tapering gradually upward and reaching nearly to the apex of the sporangium, the stipe shorter than the columella. The Myxomycetes of the Miami Valley, Ohio The sporangia vary in form and in the branching of the columella. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Stipe long, erect, reddish-brown, expanding at the base into a brown hypothallus, prolonged within the sporangium to more than half its height as a columella. The Myxomycetes of the Miami Valley, Ohio |
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