. A textbook of botany for colleges and universities ... Botany. REPRODUCTION AND DISPERSAL 871 morphic corollas, which not only are more or less closed, but commonly are swung laterally, as in the labiates (fig. 1174) and in the orchids. The protection of flowers by closing. — Closure during anthesis usually involves a single flower, but sometimes it involves an entire inflorescence, 0 I .^^A i^^^fc"^ ^Slr^r^M-niffi '^s *»f -'^m ^)' ^mgB^ l^E^m^^^Ks^^W^l 1^^^^^^ 9^^^^^H^tfi. Fig. 1192. — Yucca flowers: A, an inflorescence of Yucca patens with numerous pendulous flowers; B, flowers o
. A textbook of botany for colleges and universities ... Botany. REPRODUCTION AND DISPERSAL 871 morphic corollas, which not only are more or less closed, but commonly are swung laterally, as in the labiates (fig. 1174) and in the orchids. The protection of flowers by closing. — Closure during anthesis usually involves a single flower, but sometimes it involves an entire inflorescence, 0 I .^^A i^^^fc"^ ^Slr^r^M-niffi '^s *»f -'^m ^)' ^mgB^ l^E^m^^^Ks^^W^l 1^^^^^^ 9^^^^^H^tfi. Fig. 1192. — Yucca flowers: A, an inflorescence of Yucca patens with numerous pendulous flowers; B, flowers of Yucca Treculeana ; note the perianth, the stamens with recurved anthers, and the stigmas. — From Trelease. as in the heads of the milky-juiced composites (figs. 1193, 1194). Most such flowers or inflorescences open in sunshine and close at night and in cloudy weather, though in a few cases this order is reversed, the flowers opening at night and in cloudy weather and closing in the sunshine. Some flowers open for two successive days (as in the poppy), others for three to five days (as in Eschscholtzia); the flowers of Crocus and Hepatica may open daily for more than a week. Usually npcturnal. 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
