( 369 ) 
INDEX. 
ABSORPTION. 
A. 
ABSORPTION by Dionzxa, 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, 
924, 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 
—— 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 yarious species of Dro- 
sera, 224 
5 
inducing negative 
t—3 
— 
AMMONIA. 
Aggregation of protoplasm in Dionea, 
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 
Algae, 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 
. , smal]ness of doses causing 
aggregation in Drosera, 119 
. its action on Drosera, 115 
; , vapour of, absorbed by 
glands of Drosera, 116 
- , 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 
2B 
