INDEX. 3t7 
UTRICULARIA. ZINC. 
Utricularia, montana animals caught W. 
by, 352 
—, absorption by, 353 Warming, Dr., on Drosera, 2, 6 
——, tubers of, serving.as reservoirs, 
354 
Utricularia neglecta, structure of 
bladders, 321 
—, animals caught by, 327 
-——, absorption by, 333 
—~—, summary on absorption, 340 
——, development of bladders, 342 
Utricularia, various species of, 356 
Utricularia vulgaris, 345 
Vv. 
Veratrine, action on Drosera, 166 
Vessels in leaves of Drosera, 200 
Vessels of Dionza, 253 
Vines, on digestive fluid of Nepen- 
thes, 81 
——, on the ferment of the Vetch, 292 
Vogel, on effects of camphor on 
plants, 171 
Von Gorup and Will, on digestive 
action in Drosera, 73, 81 
Vries, H. de, on aggregation, 35, 39 
—-—, on roots of Utricularia, 320 
——, on trichomes, 289 
——,, on Genlisea, 360 
—, on parenchymatous cells in 
tentacles of Drosera, 205 
Water, drops of, not causing inflec- 
tion in Drosera, 30 : 
, its power in causing aggrega- 
tion in Drosera, 45 
, its power in causing inflection 
in Drosera, 113 
and various solutions, effects of, 
on subsequent action of ammonia, 
174 
Wiesner, on Sarracenia, 366 
Wilkinson, Rev. H. M., on Utricularia, 
Z. 
Ziegler, his statements with respect 
to Drosera, 21, 204 
» experiments by cutting vessels 
of Drosera, 202 
Zinc chloride, action on Drosera, 150 
