4r)S 



INDEX 



Bacteria of tuberculosis, 376. 



— typhoid, 371, 376. 



— vinegar, .j87. 



— water, 368. 

 parasitic, 380. 



prepare nitrogen for the plant, 149.* 

 150. 383. 



propagation of, 362,* 371. 



pure cultures of, 367-368. 



respiration of, \'>1\ 



saprophytic, 380. 



spores of, 362,* 365. 

 Bagley, acknowledgement to, i. 

 Bailey on agriculture, 109, 129, 133, 153. 



— gardening, 249, 263. 



— plant-breeding, 409, 420, 421, 428, 



441, 453. 



— pruning, 264. 



— study of branches, 245. 

 Balance, method of making, 13.* 14.* 

 Bamboo, protection of stomata by, 214. 

 Barberry, protection of, against animals, 



222. 



Rust of, 402, 403,* 404.* 

 Bark, 262,* 279. 



binds stem, 248. 



formation of, 256. 



function of, 256, 333. 



protects against drying, 333, 



slitting of, to prevent binding, 248. 



softened to prevent binding, 248. 



stretching of, 247. 

 Barley, pepsin in, 172. 



roots of, explore soil thoroughly, 133. 



Rust of, 404. 



seeds of, germinate while immature, 43, 



Smut of, 400-401. 

 Bartlett Plum. See Plum, Bartlett. 

 Barium hydrate, 158. 

 Bast. 120,* 198,* 199,* 224.* 225, 220. 227,* 



231,* 232,* 233, 236,* 254-257. 

 Bast-ring, 226, 246. 

 Beach Plum. See Plum, Beach. 

 Beals on soil, 133. 

 Beam, effect of sti-ains on, 265. 

 Bean, 77,* 141, 144. 



food in, 177. 



gcl.'ing al.uve ground of, 71,* 76, 77. 



path of water in the seed of, 8,* 23. 



Bean, pocket of seed of, 20.* 



root tubercles of, 149. 

 Bean. See also Horse-bean- 

 Bean, Cranberry, hybrids of, 428. 

 Bean, Horticultural Pole, hybrids of, 428. 

 Bean, Lima, absorption of water by, 7. 



— germination of, 81. 85. 



— resting period of, 43. 



— twining of, 275. 



Bean, Pink, germination of, 51. 



Bean, Pole, twining of, 275. 



Bean, String, twining of, 275. 



Bean hybrids, 428. 



Beech, hairy covering of young leaf of, 213. 



— sun- and shade-leaves of, 345.* 

 Beer, manufacture of, 169, 391. 



Bees, partial to certain colors, 298, 299. 



— power of scent of, 300. 



— visit but one kind of flower at a time, 



299. 



— visual powers of, 300. 

 Beet, sugar in, 122. 



self- vs. cross-pollination of, 302. 

 Beet, Sugar, tolerates alkali, 350, 440. 

 Beggar's-ticks, dispersal of seed of, 324.* 

 Begonia, 332. 



root pressure of, 243. 



transpiration of, 204. 

 Bending stem to increase fruit production. 



318. 

 Benzine, test for fats and oils, 165. 

 Berberis. See Barberry. 

 Bertholetia. See Brazil Nut. 

 Berries, pulp of, retains water, 29. 

 Bessey, on plant-breeding, 441. 

 Beta. See Beet. 

 Betula. See Birch. 

 Bichromate of potassium. See Potassium 



bichromate. 

 Biennials, flowering of, 286. 



seed formation of, 314. 

 Bindweed, calyx of, 2^8. 



twining of, 275. 

 Birch, contains fat in winter, 259. 



dispersal of seeds of, 321. 



in northern latitudes, 356. 



protection of, against drying, 214. 



lenticels of, 278. 



run of sap of, in spring, 259. 



