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. Morphology of gymnosperms. Gymnosperms; Plant morphology. CYCADOFILICALES 39 Aneimites.—In 1904 White (49) announced the discovery of seeds upon fronds of Aneimites (Adiantites) from West Virginia, the seeds having been used to establish the seed genus Wardia. Anei- mites is represented in the Lower Coal-measures, the general habit of the leaf and its cuneate ultimate divisions strongly suggesting. Fig. 40.—Neuropteris heterophylla: seed {Rhabdocarpus) attached to a short pedicel bearing foliage; X2.—From photograph by Kidston (44). Adiantum (figs. 41 and 42). The seeds are borne upon somewh
. Morphology of gymnosperms. Gymnosperms; Plant morphology. CYCADOFILICALES 39 Aneimites.—In 1904 White (49) announced the discovery of seeds upon fronds of Aneimites (Adiantites) from West Virginia, the seeds having been used to establish the seed genus Wardia. Anei- mites is represented in the Lower Coal-measures, the general habit of the leaf and its cuneate ultimate divisions strongly suggesting. Fig. 40.—Neuropteris heterophylla: seed {Rhabdocarpus) attached to a short pedicel bearing foliage; X2.—From photograph by Kidston (44). Adiantum (figs. 41 and 42). The seeds are borne upon somewhat reduced fronds, occurring singly or in pairs upon pedicels that replace ultimate pinnules. They are rhomboidal in outline and thin lenticu- lar in transverse section, the outer covering (cupule or integument) being laterally dilated and winged, especially below the middle (fig. 43), possibly fibrous or slightly fleshy, and inclosing the less rhom- boidal and nutlet-like structure within; unfortunately no internal structure is preserved. Such seeds have been found in all stages of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Coulter, John Merle, 1851-1928; Chamberlain, Charles Joseph, b. 1863; Coulter, John Merle, 1851-1928. Morphology of spermatophytes. Part I. Gymnosperms. Chicago, University of Chicago Press
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherchicagouniversityo