The Power of Movement in Plants · Charles Darwin
U.
Watering, effect of, on Porlieria hygrometrica, 336–338 Wells, ‘Essay on Dew,’ 284, n. Wiesner, Prof., on the circumnutation of the hypocotyl, 99, 100; on the hooked tip of climbing stems, 272; observations on the effect of bright sunshine on chlorophyll in leaves, 446; the effects of an intermittent light, 457; on aërial roots, 486; on special adaptations, 490 Wigandia, movement of leaves, 248 Williamson, Prof., on leaves of Drosera Capensis, 414 Wilson, Mr. A. S., on the movements of Swedish turnip leaves, 230, 298 Winkler on the protection of seedlings, 108 Wistaria Sinensis, leaflets depressed at night, 354 —, circumnutation with lateral light, 452 Zea mays, circumnutation of cotyledon, 64 Zea mays, geotropic movement of radicles, 65 —, sensitiveness of apex of radicle to contact, 177–179 —, secondary radicles, 179 —, heliotropic movements of seedling, 64, 421 —, tips of radicles cauterised, 539 Zukal, on the movements of Spirulina, 259, n.
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