. Elementary botany. Botany. , Fig. 22T. Male prothallium of a fern (niphobolus), in form of an alga or protonema. Spermato- zoids escaping from antheridia. sexual organs, for these are borne in most cases on the under side. 372. Antheridia.—If we search among the rhizoids we will see small rounded elevations as shown in fig. 214 or 222 scat-. Male prothallium of fern (niphobolus), showing opened and unopened antheridia ; 30,, sec- tion of unopened anthertdium; 40, spermatozoids escaping ; 41, spermatozoids which did not escape from the Please note that these images are extracted
. Elementary botany. Botany. , Fig. 22T. Male prothallium of a fern (niphobolus), in form of an alga or protonema. Spermato- zoids escaping from antheridia. sexual organs, for these are borne in most cases on the under side. 372. Antheridia.—If we search among the rhizoids we will see small rounded elevations as shown in fig. 214 or 222 scat-. Male prothallium of fern (niphobolus), showing opened and unopened antheridia ; 30,, sec- tion of unopened anthertdium; 40, spermatozoids escaping ; 41, spermatozoids which did not escape from the 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 Atkinson, George Francis, 1854-1918. New York, H. Holt
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany
