480 



INDEX 



Pniteids, in aniniiils, 171, 172, 176. 



— Beans. 177. 



— bran, 178. 



— dietetics, 176. 



— eggs, 175, 177. 



— flour, 177. 



— fruits, :ji4. 



— growing region, '17^^s~2yJ. 



— Peas, 177. 



— seeds, 165, 1C6, liU, ^Tt. 



— Wheat, 177, 17S. 



path of, in stem, TIT^ 2:U.* L'lri,^ 'j;{(i/ 254- 



tests for, 16.3, 166. 

 Protoplasm, 65,* 66, 'J'.H * 

 Prune. See Plum. 

 Prune, French, 411,* 415. 416.* 



Giant, 410, 411. 



Stoneless, 415. 416,* 417. 



Sugar, 411.* 

 Prunier, suns Noyau, 415, 416.* 

 Pruning. 263, 346. 



eorrelution in, 359. 



of roots to increase fruit-production, 310. 



self-, 261. 

 Prunus. See Almond, Apricot, Cherry, 



Peach, Plum and Prune. 

 Ptyalin, 167. 

 Puccinia. See Rust. 

 Pumpkin, fruit of, 317. 



path of proteid in, 254. 



tendrils of, 272. 

 Purslane, protection of, from animals, 2-3. 

 Pusley. See Purslane. 

 Putrefaction, 380. 

 Pyrus. See Apple, Pear. 



Quaker Bonnets. See Houstonia. 

 Quaker Ladies. See Houstonia. 

 Quartz, 105, 107. 

 Quercus. See Oak. 



Quince, absorption of water by seed of, 7, 

 28. 



branches of, twisted in layering, 314. 



seed-cover of, holds water, 21-;. 



Radish, absorption of water by seed of, 7, 

 28. 

 germination of, 47. 



Radish, relation of, to light, 265. 



root-hairs of, 100,* 101,* 121. 



seed-cover of, holds water, 29. 

 Ragweed, protection of, against animals, 



223. 

 Rain buries seeds, 69. 



percolation of, in soil, 111-H8. 



puddles soil, 129. 

 Ranunculus. See Buttercup. 

 Rape, 314. 



Raphanus. See Radish. 

 Raspberry, acid in fruit of, 315. 



climbing of, 270. 

 Rattlesnake Plantain. See Pljintaiu, Rat- 

 tlesnake. 

 Raw Food. 8fe Food, Raw. 

 Red rays cut out by cupra ammonia, 265, 

 Regeneration dependent on oxygen, 2x1* 

 2H2 



in stem. 257- 



of root, 86. 



— stem, 70 * 

 Reproduction by seed, 291,* 2VI2 * 



— spores, 362.* 365, 393, 394,* :!il5.* 396. ■■ 



;i97,* 398,* 399,* 401, 402,* 403,'^ 404.* 



— vegetative parts, 433. 

 Reseda. See Mignonette. 



Resins absent from water-plants. :!:i'.!. 



protect against drying, 214. 334. 

 Resistance to disease, 440. 

 Respiration defined, 175, 



increased by wounds, 3SS. 



measurement of, 34,* 175. 



of animals, 35. 176. 194. 



— flowers, 287, 



— fruits, 317. 



— leaves, 194, 105. 



— Moulds, 394. 



— seeds, 33. 34.* 35. 36.* 



— Yeast, ;-iO(l 

 Reversion, 420, 449 * 450. 

 Rhamnus, Rust of, 4(i5. 

 Rbeum. See Rhubarb. 

 Rhizomes, function of, 277. 



propagation by, 4:;;! 



resemble roots, 277. 



storage of I'onU in, 200. 

 Rhizopus nigricans, 391. 

 Rhubarb, bleaching of, 346, 



