. The essentials of botany. Botany. CARPOPHTTA. 169 filaments, which are arranged radially; the diameter of each cushion-like mass is from 1 to 3 mm. (.04 to .08 in.) or less. 300. Asexual reproduction is by means of ciliated zoo- spores, one of which may form in each cell and escape through a round hole in the cell-wall (D, Pig. 93). 301. In the sexual process the female organ, the carpo- gone, is a single cell, wide below and tapering above into a long slender canal, the trichogyne, which is open at its apex {A, og, Fig. 92). In the swollen basal portion there. Fig. 92.—Coleoohaste. an, anth
. The essentials of botany. Botany. CARPOPHTTA. 169 filaments, which are arranged radially; the diameter of each cushion-like mass is from 1 to 3 mm. (.04 to .08 in.) or less. 300. Asexual reproduction is by means of ciliated zoo- spores, one of which may form in each cell and escape through a round hole in the cell-wall (D, Pig. 93). 301. In the sexual process the female organ, the carpo- gone, is a single cell, wide below and tapering above into a long slender canal, the trichogyne, which is open at its apex {A, og, Fig. 92). In the swollen basal portion there. Fig. 92.—Coleoohaste. an, antherids; og, carpogones, each with a trich- ogyne; z, z, antherozoids; B, fertilized carpogone, surrounded by the covering, r ("pericarp"), the whole forming the spore-fruit; C, spore- fruits burst open, showing interior tissues; D, zoospores from C. Magni- fied 350 times. is a considerable mass of protoplasm, which is the essential part to be fertilized. The male organs, the antherids, are formed as flask-shaped protuberances which grow out of adjoining cells. In each antherid a single oval biciliate antherozoid is formed {A, z, z, Fig. 92).. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : Holt
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896
