Pinguicula grandiflora, 390 lusitanica, 391
Pinguicula vulgaris, structure of leaves and roots, 368 , number of
insects caught by, 369 , power of movement, 371 , secretion and
absorption by, 381 , digestion by, 381 , effects of secretion on
living seeds, 390
Platinum chloride, action on Drosera, 186
Poison of cobra and adder, their action on Drosera, 206
Pollen, its digestion by Drosera, 117
Polypompholyx, structure of, 445
Potassium, salts of, inducing aggregation in Drosera, 50 , , action
on Drosera, 179 phosphate, not decomposed by Drosera, 180, 187
Price, Mr. John, on Utricularia, 429
Primula sinensis, glandular hairs of, 348 , number of glandular hairs
of, 355
Protoplasm, aggregation of, in Drosera, 38 , , in Drosera, caused by
small doses of carbonate of ammonia, 145 , , in Drosera, a reflex
action, 242 aggregated, re-dissolution of, 53 , aggregation of, in
various species of Drosera, 278 , , in Dionaea, 290, 300 , , in
Drosophyllum, 337, 339 , , in Pinguicula, 370, 389 , , in
Utricularia, 411, 415, 429, 430, 436
Q.
Quinine, salts of, action on Drosera, 201
R.
Rain-water, amount of ammonia in, 172
395