( 369 ) 
INDEX. 
ABSORPTION. 
A. 
ABSORPTION by Dionza, 238 
—— by Drosera, 1, 14 
—— by Drosophyllum, 273 
—— by Pinguicula, 307 
—— by glandular hairs, 278 
—— by glands of Utricularia, 336, 
340 
—— by quadrifids of Utricularia, 
333, 340 
—— by Utricularia montana, 353 
Acid, nature of, in digestive secretion 
of Drosera, 73 
—— present in digestive fluid of 
various species of Drosera, Dionza, 
Drosophyllum, and Pinguicula, 
224, 243, 274, 307 
Acids, various, action of, on Drosera, 
154 
of the acetic series replacing 
hydrochloric in digestion, 74 
—, arsenious and chromic, action 
on Drosera, 151 
, diluted, 
osmose, 161 
Adder’s poison, action on Drosera, 
168 
Aggregation of protoplasm in Dro- 
sera, 32 
inducing negative 
— in Drosera induced by salts of | 
ammonia, 37 
caused by small doses of 
carbonate of ammonia, 119 
— of protoplasm in Drosera, a 
reflex action, 196 
in various species of Dro- 
— 
me 
sera, 224 
AMMONIA. 
Aggregation of protoplasm in Dionæa, 
235, 243 
in Drosophyllum, 273, 274 
—— —— in Pinguicula, 299, 314 
in Utricularia, 332, 335, 
345, 346, 352 
Albumen, digested by Drosera, 77 
, liquid, action on Drosera, 67 
Alcohol, diluted, action of, on Dro- 
sera, 65, 177 
Aldrovanda vesiculosa, 260 
, absorption and digestion by, 
264 
, varieties of, 265 
Algæ, aggregation in fronds of, 54 
Alkalies, arrest digestive process in 
Drosera, 78 
Aluminium, salts of, action on Dro- 
sera, 150 
Ammonia, amount of, in rain water, 
140 
, carbonate, action on heated 
leaves of Drosera, 58 
i , smallness of doses causing 
aggregation in Drosera, 119 
s „its action on Drosera, 115 
; , vapour of, absorbed by 
glands of Drosera, 116 
y , smallness of doses causing 
inflection in Drosera, 119, 137 
, phosphate, smallness of doses 
causing inflection in Drosera, 125, 
137 
—, , size of particles affecting 
Drosera, 141 
, nitrate, smallness of doses 
causing inflection in Drosera, 120, 
137 
—__ 
2 B 
