. Fundamentals of botany. Botany. LIFE HISTORIES OF ALG^ 23s occur within 10 minutes after the gametes have been placed together in the water. After the formation of the A )\ MM .-* *. f. Fig. 175.—Ascophyllum nodosum (L.) Lejol. A, egg at the time of fertilization, surrounded by numerous sperms. X about 200; B, oosperm germinating, 6 days old; C, D, somewhat older stages than B. (After Thuret and Bornet.) fertilization-membrane the sperms seem to avoid the oosperm, quite as though they were repelled by some substance formed at its Please note that these images are extracted from sca


. Fundamentals of botany. Botany. LIFE HISTORIES OF ALG^ 23s occur within 10 minutes after the gametes have been placed together in the water. After the formation of the A )\ MM .-* *. f. Fig. 175.—Ascophyllum nodosum (L.) Lejol. A, egg at the time of fertilization, surrounded by numerous sperms. X about 200; B, oosperm germinating, 6 days old; C, D, somewhat older stages than B. (After Thuret and Bornet.) fertilization-membrane the sperms seem to avoid the oosperm, quite as though they were repelled by some substance formed at its 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.


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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany