Canby, Dr., on Dionaea, 301, 310, 313 , on Drosera filiformis, 281
Caraway, oil of, action on Drosera, 211
Carbonic acid, action on Drosera, 221 , delays aggregation in Drosera,
59
Cartilage, its digestion by Drosera, 103
Casein, its digestion by Drosera, 114
Cellulose, not digested by Drosera, 125
Chalk, precipitated, causing inflection of Drosera, 32
Cheese, its digestion by Drosera, 116
Chitine, not digested by Drosera, 124
Chloroform, effects of, on Drosera, 217 , , on Dionaea, 304
Chlorophyll, grains of, in living plants, digested by Drosera, 126 ,
pure, not digested by Drosera, 125
Chondrin, its digestion by Drosera, 112
Chromic acid, action on Drosera, 185
Cloves, oil of, action on Drosera, 212
Cobalt chloride, action on Drosera, 186
Cobra poison, action on Drosera, 206
Cohn, Prof., on Aldrovanda, 321 , on contractile tissues in plants,
364 , on movements of stamens of Compositae, 256 , on Utricularia,
395
Colchicine, action on Drosera, 204
387