. Morphology of spermatophytes. [Part I. Gymnosperms]. Gymnosperms; Plant morphology. 138 MORPHOLOGY OF SPBRMATOPHYTES fairly regarded as sporophylls. These sporophylls are narrower than the sterile bracts, and each bears at the apex a cluster of two to six sporangia, which are linear and erect, and dehisce by a lon- gitudinal slit (Fig. 95, B). The sporophyll character of this structure is the view suggested by Eenault, and according to this view it is morphologically a stamen. Solms-Laubach, however, regards each of these so-called stamens as a staminate flower, the. Fio. 95.—Gordaites, stam
. Morphology of spermatophytes. [Part I. Gymnosperms]. Gymnosperms; Plant morphology. 138 MORPHOLOGY OF SPBRMATOPHYTES fairly regarded as sporophylls. These sporophylls are narrower than the sterile bracts, and each bears at the apex a cluster of two to six sporangia, which are linear and erect, and dehisce by a lon- gitudinal slit (Fig. 95, B). The sporophyll character of this structure is the view suggested by Eenault, and according to this view it is morphologically a stamen. Solms-Laubach, however, regards each of these so-called stamens as a staminate flower, the. Fio. 95.—Gordaites, stammata sti'obilus: ^, transverse section; 5, longitudinal section of strobilus of C Fenjoni; C, a pollen grain, showing the group of internal cells.— After Renadlt. sporangia being sessile upon the summit of a pedicel. Such a view would suggest, as a parallel, the staminate flowers of Ephe- dra and Gnetum, in which two or more sessile sporangia are borne by a special axis which may be regarded as a pedicel, or at least a shoot. Scott suggests, however, that the whole cluster of strobili corresponds more to the staminate cluster of Ginkgo than to any other known Gymnosperm. In any event, the in- florescence is different from that of any other Gymnosperm, and. 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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