460 
INDEX. 
PINGUIOULA. 
Pinguicula vulgaris, structure of 
leaves and roots, 368 
——, number of insects caught by, 
369 
——.,, power of movement, 371 
—, secretion aud absorption by, 
381 - 
—, digestion by, 381 
” effects of secretion on living 
seeds, 390. 
Platinum chloride, action on Dro- 
sera, 186 
Poison of cobra and adder, their 
action on Drosera, 206 
Pollen, its digestion by Drosera, 
Polypompholyx, structure of, 445 
Potassium, salts of, inducing ag- 
gregation 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 Dro- 
sera, 38 
—, ——, in Drosera, caused by 
small doses of carbonate of am- 
monia, 145 
—, . in Drosera, a reflex 
action, 242 
—— aggregated, re-dissolution of, 
53 
——, aggregation of, in various 
species of Drosera, 278 
— —,in et 300 
——, ——, in Drosophyllum, 337. 
330 pay. ’ ’ 
— ——, in Pingnicula, 370, 389 
—, in Utricularia, 411, 415, 
429, 430 436 
Q. 
aa salts of, action on Drosera, 
1 
SAXIFRAGA. 
R. 
Rain-wuter, amount of ammonia in, 
172 
Ralfs, Mr, on Pinguicula, 390 
Ransom, Dr., action of poisons on 
the yolk of. eggs, 225 
Re-expansion of headless tentacles 
of Drosera, 229 
of tentacles of Drosera, 260 
—— of Dionza, 318 
Roots of Drosera, 18 
— of Drosera, process of aggrega~ 
tion in, 63 
—— of Drosera, absorb carbonate of 
ammonia, 141 
— of Dionza, 286 
—— of Drosophyllum, 332 
—— of Pinguicula, 369 
Roridula, 342 
Rubidium chloride, action on Dro- 
sera, 181 
Sachs, Prof., effects of heat on pro- 
toplasm, 66, 70 
——, on the dissolution of proteid 
compounds in the tissues of 
plants, 362 
Saliva. action on Drosera, 80 
Salts and acids, various, effects of, 
on subsequent action of ammonia, 
214 
Sanderson, Burdon, on coagulation 
of albumen from heat, 74 
, on acids replacing hydro- 
chloric in digestion, 89 
—, on the digestion of fibrous 
basis of bone, 108 
of gluten, 118 
of globulin, 120 
of chloiophyll, 126 
—, on different effect of so.lium 
and potassium on animals, 187 
, on electric currents in Dionsea, 
Saxifraga umbrosa, glandular haira 
of, 345 
