4o8 



INDEX 



Pittosporaccie, 183. 



Plasmatic membrane, 50. 



Plasmolysis, 376. 



Platanaceae, 176. 



Platanics, 236. 



Platinichlorides of bases, 270, 276; of 

 lecithin, 46. 



Pleurococcus, 334. 



Plum-kernel oil, ig. 



Polarimeter, 93, 94. 



Polemoniaceae, 183. 



Pollen, 322. 



Polygalaceae, 183. 



Polygonum tinctoriniii , 191. 



Polymerization of aldehydes, 150. 



Polypeptides, natural, 320, 327 ; syn- 

 thetic, 319, 328. 



Polyporeae, 194. 



Polyponts betulinus, 114. 



Polysaccharides, 97. 



Pomegranate, 210, 216, 266, 268. 



Pontederia cordata, 98. 



Poppy-seed oil, 4, 20. 



Populin, 174. 



Popultis, 175. 



— nigra, 245. 



— pyramidalis, 245. 

 Porphyrin, 236. 

 Portlaiidia grandifiora, 193. 

 Potato, 185, 281, 392, 393. 

 Precipitation of colloids, 304. 

 Precipitin, 330. 



Primrose, 199. 



Primula sinensis, 253. 



Primulaceae, 183. 



Prochromogens, 261. 



Prolamin = gliadin, 324. 



Proline, 316, 328, 329 ; occurrence in 

 plant, 321. 



Prosthetic group, 325. 



Protamines, 322. 



Proteaceas, 176, 183. 



Protease, 370. 



Protective power, 291. 



Protein, animal and vegetable, 328: 

 colloidal properties, 308 ; composi- 

 tion, 317, 318; crystals, 301; de- 

 composition products, 281, 313 ; 

 estimation, 343 ; extraction, 330 ; 

 grains, 301 ; hydrolysis, 317 ; micro- 

 chemistry, 308 ; occurrence, 301, 

 329 ; optical activity, 304 ; origin of 

 fats from, 42 ; properties, 302; puri- 

 fication, 332 ; synthesis in plant, 

 333- 



Proteins and cold, 305. 



Proteoses, 327. 



Protoalkaloids, 273. 



Protocatechuic acid, 201. 



Protoplasm, enzyme action, 367, 373. 



Prunus Lanrocerasus, 176, 178, 180. 



Prunus Padus, 176. 

 Prussic acid, see Hydrocyanic acid. 

 Pseudo-cellulose, 132. 

 Pseudo-chloroplasts, 227. 

 Pseudo-nuclein, 325. 

 Pseudo-tannin, 193, 210. 

 Psilotum, 35. 

 Pterocarpus, 201. 



— saxatilis, 128. 

 Ptomaines, 274. 

 Pulvini, 195, 218. 

 Pumpkin, 321. 



— oil, 20. 



Punica granatum, 268. 



Purine, 277. 



Pyridine, 264, 266. 



Pyrocatechol = Pyrocatechin, 2oi, 202. 



Pyrocatechol tannins, 210. 



Pyrogallol, 204. 



— tannins, 210, 211. 

 Pyrone, 247. 

 Pyroxylin, 142. 

 Pyrrole, 273. 

 Pyrrolidine, 267, 273. 



Pyrrolidine carboxylic acid = Proline, 



316. 

 Pyrroline, 273. 

 Pyrrophyllin, 232, 233. 

 Pyrroporphyrin, 233. 

 Pyrus, 49, 194. 



— Amygdalus, 181. 



— Aucuparia, 65, 181, 235, 275, 338, 



386. 



— cydonia, 181. 



— Mains, 181,246, 385. 



Quebracho, 211. 



— colorada, 246. 

 Quercetin, 204, 242, 251. 

 Quercitannic acid, 217. 

 Quercitrin, 169, 245. 

 Qucrcus, 194, 195. 



— Cerris, 196. 



— coccinea, 195, 196. 



— Ilex, 195. 



— iiifcctoria, 212. 



— lusitanica, 195. 



— pediinculata, 195, 196. 



— Priniis, 197. 



— sessiliflora, 195, 196. 



— tincto'rius, 169, 245. 

 Quillaia, 184. 



Quinine, 268 ; preparation from cin- 

 chona bark, 272. 

 Quince oil, 19. 

 Quinoline, 265. 



— alkaloids, 268. 

 Quinovin, 60, 

 Quinovite, 60. 

 Quinovose, 53, 60. 



