. Morphology of spermatophytes. [Part I. Gymnosperms]. Gymnosperms; Plant morphology. CONIFERALRS 65 the larger branches (Figs. 49, 50, 53, 57, 58). Sometimes they apiDear terminal on small leafy shoots of the last order, and sometimes they ocenr in the axils of the leaves of stronger shoots. In Pill us they replace spur shoots in the axils of scales, heing nsnally nimierons and forming a cluster beyond which the parent axis continues its growth. The sporophylls follow the leaf arrangement; for example, they are spiral in Abieteae, and cyclic in Cupresseae. They are exceedingly variable in for
. Morphology of spermatophytes. [Part I. Gymnosperms]. Gymnosperms; Plant morphology. CONIFERALRS 65 the larger branches (Figs. 49, 50, 53, 57, 58). Sometimes they apiDear terminal on small leafy shoots of the last order, and sometimes they ocenr in the axils of the leaves of stronger shoots. In Pill us they replace spur shoots in the axils of scales, heing nsnally nimierons and forming a cluster beyond which the parent axis continues its growth. The sporophylls follow the leaf arrangement; for example, they are spiral in Abieteae, and cyclic in Cupresseae. They are exceedingly variable in form, nearly every genus having a char- acteristic mierosporophyll (Fig. 51). In almost every case there is an evident differentiation into a stalklike base and an expanded terminal portion, the latter bearing the sporangia. Peltate forms occur, as in Taxus, recalling the sporophylls of some of the Cycads and of Equisetum, and from beneath the peltate expansion the numerous free si^orangia are pendent by a narrow. f^S-. 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. New York, D. Appleton
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Keywords: ., bookauthorcoulterj, bookcentury1900, bookdecade1900, bookyear1901
