Utricularia montana, structure of bladders, 431 —, animals caught by, 435 —, absorption by, 437 —, tubers of, serving as reservoirs, 439
Utricularia neglecta, structure of bladders, 397 —, animals caught by, 405 —, absorption by, 413 —, summary on absorption, 421 —, development of bladders, 424
Utricularia, various species of, 441
Utricularia vulgaris, 428
V.
Veratrine, action on Drosera, 204
Vessels in leaves of Drosera, 247 — of Dionaea, 314
Vogel, on effects of camphor on plants, 209
W.
Warming, Dr., on Drosera, 2, 6 —, on roots of Utricularia, 397 —, on trichomes, 359 —, on Genlisea, 446 —, on parenchymatous cells in tentacles of Drosera, 252