. Plant studies; an elementary botany. Botany. 252 PLANT STCDIKrt produced by oceanic currents and forming tlie so-called " Sargasso seas," as that of tlie North Fio. 220. A iiortiiiii (if .-i Inn into stem-like niid Iciiriil NETT and MlIKItAV. ' pofljiHls, ami ; hnwiiii; llic thallns ilifl'iTrntiatrd • hladdcr-like flciats—Aflcr Hkn- 171. Reproduction.—The two main groups of Thrown Algse differ from each other in tlicir reproduction. One, represented by the and a, nia,j(irity of the fdrms, ])roduces zoospores and is isogamous (l^'ig. 217). The zoo- si)ores and


. Plant studies; an elementary botany. Botany. 252 PLANT STCDIKrt produced by oceanic currents and forming tlie so-called " Sargasso seas," as that of tlie North Fio. 220. A iiortiiiii (if .-i Inn into stem-like niid Iciiriil NETT and MlIKItAV. ' pofljiHls, ami ; hnwiiii; llic thallns ilifl'iTrntiatrd • hladdcr-like flciats—Aflcr Hkn- 171. Reproduction.—The two main groups of Thrown Algse differ from each other in tlicir reproduction. One, represented by the and a, nia,j(irity of the fdrms, ])roduces zoospores and is isogamous (l^'ig. 217). The zoo- si)ores and gametes are peculiar in having the two cilia, attached at one side rather than at an end ; and they re- semble each other very closely, except that the ganu>tes fuse in jDairs and form 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