Aggregation of protoplasm in Drosera, 38 in Drosera induced by salts
of ammonia, 43 caused by small doses of carbonate of ammonia, 145
of protoplasm in Drosera, a reflex action, 242 in various species
of Drosera, 278 in Dionaea, 290, 300
Aggregation of protoplasm in Drosophyllum, 337, 339 in Pinguicula,
370, 389 in Utricularia, 411, 415, 429, 430, 436
Albumen, digested by Drosera, 92 , liquid, action on Drosera, 79
Alcohol, diluted, action of, on Drosera, 78, 216
Aldrovanda vesiculosa, 321 , absorption and digestion by, 325 ,
varieties of, 329
Algae, aggregation in fronds of, 65
Alkalies, arrest digestive process in Drosera, 94
Aluminium, salts of, action on Drosera, 184
Ammonia, amount of, in rain water, 172 , carbonate, action on heated
leaves of Drosera, 69 , , smallness of doses causing aggregation in
Drosera, 145 , , its action on Drosera, 141 , , vapour of, absorbed
by glands of Drosera, 142 , , smallness of doses causing inflection
in Drosera, 145, 168 , phosphate, smallness of doses causing
inflection in Drosera, 153, 168 , , size of particles affecting
Drosera, 173 , nitrate, smallness of doses causing inflection in
Drosera, 148, 168 , salts of, action on Drosera, 136
Ammonia, salts of, their action affected by previous immersion in water
and various solutions, 213 , , induce aggregation in Drosera, 43 ,
various salts of, causing inflection in Drosera, 166
Antimony, tartrate, action on Drosera, 185
Areolar tissue, its digestion by Drosera, 102
Arsenious acid, action on Drosera, 185
385