. Plant studies; an elementary botany. Botany. . 2flG. Edogoniuni nodosum, a Conferva form ; .4, portion of a filament, showing a ^etative celi with its nnclens id), an oogoninni ia) filled by an e^g packed with, food material, a second oogoninm (r) containing a fertilized etrg or oospore as shown by the heavy waW. and two antheridia ib). each containing two spei-ms; B, another filament sho\\ing antheridia («i from which two sperms [b) have escaped, a vegetative ceil wilh its nnclens, and an oogonium which a sperm (c) has entered and is coming in contact with the egg whose nnclens (d) may
. Plant studies; an elementary botany. Botany. . 2flG. Edogoniuni nodosum, a Conferva form ; .4, portion of a filament, showing a ^etative celi with its nnclens id), an oogoninni ia) filled by an e^g packed with, food material, a second oogoninm (r) containing a fertilized etrg or oospore as shown by the heavy waW. and two antheridia ib). each containing two spei-ms; B, another filament sho\\ing antheridia («i from which two sperms [b) have escaped, a vegetative ceil wilh its nnclens, and an oogonium which a sperm (c) has entered and is coming in contact with the egg whose nnclens (d) may be seen; G, a zoo- spore which has been formed in a vegetative cell, showing the c-rown of cilia and the clear apex, as in the s^perms; ]). a zoospore producing a new filament, putting ont a holdfast at base and elongating; E. a fnrther stage of development; F. t\\Q fonr zoospores formed by the oos])ore when it germinates.—Caldwell, except Cand F^ which, are after 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. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900
