. The essentials of botany. Botany. Fig. 98. Fig. 99. Fig. 98.—The sexual process In a Powdery Mildew (Erysiphe). o, jointed threads; b, antherid; c, carpogone; d, young spore-fruit; 6, older spore- fruit. Magnified. Fig. 99.—Ripe spore-fruit of WUlow-mlldew (Unclnula salicis). The appendages are curved or hooked. Magnified. soon becomes rounded at its extremities, and the others follow in quick succession, thus giving rise to a row of cells, the spores, or conidia (Fig. 97). These fall off and germinate at once by pushing out a tube, which gives rise to a new plant. 319. The sexual process in
. The essentials of botany. Botany. Fig. 98. Fig. 99. Fig. 98.—The sexual process In a Powdery Mildew (Erysiphe). o, jointed threads; b, antherid; c, carpogone; d, young spore-fruit; 6, older spore- fruit. Magnified. Fig. 99.—Ripe spore-fruit of WUlow-mlldew (Unclnula salicis). The appendages are curved or hooked. Magnified. soon becomes rounded at its extremities, and the others follow in quick succession, thus giving rise to a row of cells, the spores, or conidia (Fig. 97). These fall off and germinate at once by pushing out a tube, which gives rise to a new plant. 319. The sexual process in most species takes place late in the season. Two crossing each other or com- ing into close contact swell slightly and send out from each. 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
