Fibro-elastic tissue, not digested by Drosera, 122

Fibrous basis of bone, its digestion by Drosera, 108

Fluids, nitrogenous, effects of, on Drosera, 76

Fournier, on acids causing movements in stamens of Berberis, 196

Frankland, Prof., on nature of acid in secretion of Drosera, 88

G.

Galvanism, current of, causing inflection of Drosera, 37 —, effects of, on Dionaea, 318

Gardner, Mr., on Utricularia nelumbifolia, 442

Gelatin, impure, action on Drosera, 80 —, pure, its digestion by Drosera, 110

Genlisea africana, 451 — filiformis, 451