. A textbook of botany for colleges and universities ... Botany. THALLOPHYTES 35 Zoospore.—The asexual reproduc- tion is modified in an interesting way by the coenocytic habit. At the tip of a branch a very large zoospore is formed by the protoplast, and is cut off from the general body by a wall (fig. 95). It is discharged through an opening at the end of the branch and moves actively by means of cilia that are distributed over its whole surface (fig. 96). The zoospore is multinucleate, containing the nuclei that were in the end of the branch at the time of its formation, and in con- nection
. A textbook of botany for colleges and universities ... Botany. THALLOPHYTES 35 Zoospore.—The asexual reproduc- tion is modified in an interesting way by the coenocytic habit. At the tip of a branch a very large zoospore is formed by the protoplast, and is cut off from the general body by a wall (fig. 95). It is discharged through an opening at the end of the branch and moves actively by means of cilia that are distributed over its whole surface (fig. 96). The zoospore is multinucleate, containing the nuclei that were in the end of the branch at the time of its formation, and in con- nection with each nucleus a pair of cilia is formed. This large zoospore, therefore, may be regarded as a com- pound zoospore, corresponding to a number of biciliate zoospores. It. 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; Barnes, Charles Reid, 1858-1910, joint author; Cowles, Henry Chandler, 1869- joint author. New York, Cincinnati [etc] American book company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1910
