462 
INDEX. 
UBEA. 
Uv. 
Urca, not digested by Drosera, 124 
Urine, action on Drosera, 79 
Utricularia clandestina, 430 
—— minor, 429 
Utricularia montuna, 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 
Vv. 
Veratrine, action on Drosera, 204 
Vessels in leaves of Drosera, 247 
of Dionxa, 314 
Vogel, on effects of camphor on 
plants, 209 
ZING. 
Ww. 
Warming, Dr., on Drosera, 2,6 | 
, on roots of Utricularia, 397 
——, on trichomes, 359 
——, on Genlisea, 446 
——, on pareuchymatous cclls in 
tentacles of Droseru, 252 
Waiter, drops of, not causing inflec- 
tion in Drosera, 35 
— , its power in causing aggrcga- 
tion in Drosera, 52 
——,, its power in causing inflection 
in Drosera, 139 
— and various solutions, effects 
of, on subsequent action of am- 
monia, 213 
Wilkinson. Rev., on Utricularia, 
398 
Z 
Ziegler, his statements with respect 
to Drosera, 23 
——,, experimi nts by cutting ves- 
sels of Drosera, 249 
Zine chloride, action on Droscra, 
184 
