. Morphology of gymnosperms. Gymnosperms; Plant morphology. 323. Figs. 322-327.—Pollen tube structures of Taxodineae: fig. 322, Taxodium distichum; the two male cells with stalk and tube nuclei in advance; XS40; after CoKER (76); figs. 323-325, Cunninghamia sinensis, fig. 323 showing the pollen grain with generative cell (no prothallial cells) and tube cell, fig. 324 the body cell with stalk and tube nuclei in advance, and fig. 325 the two male cells; X430; after Mivake (147); figs. 326, 327, Cryptomeriajaponica, fig. 326 showing the body cell with stalk and tube nuclei in advance, and fig. 32
. Morphology of gymnosperms. Gymnosperms; Plant morphology. 323. Figs. 322-327.—Pollen tube structures of Taxodineae: fig. 322, Taxodium distichum; the two male cells with stalk and tube nuclei in advance; XS40; after CoKER (76); figs. 323-325, Cunninghamia sinensis, fig. 323 showing the pollen grain with generative cell (no prothallial cells) and tube cell, fig. 324 the body cell with stalk and tube nuclei in advance, and fig. 325 the two male cells; X430; after Mivake (147); figs. 326, 327, Cryptomeriajaponica, fig. 326 showing the body cell with stalk and tube nuclei in advance, and fig. 327 the two male cells; X666; after Lawson (93).. 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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