486 



INDEX 



Starch, role of, in proteid formation, 253. 



test for, 164. 



wandering of, 169. 183, 253, 254, 313. 314. 

 Starch-grains, 65,* 66, 201.* 202.* 367.* 

 Starch-trees. 259. 

 Steam pressure in boilers. 74. 

 Steapsin, 170. 

 Steel wire, 366. 



Stem, air supply of, 278. 279,* 280,* 281.* 

 282. 



annual rings of, 232.* 236.* 247, 262.* 



bark of. 262,* 279. 



binding of, 248. 



— — formation of. 256. 



function of, 256. 



protects against dryness. 333. 



stretching of, 247. 



bast of, 120,* 224,* 225, 227.* 231,* 232,* 

 233, 236,* 254-257. 



behavior of, toward obstacles. 79,* 80. 



bending of, to increase fruit production, 

 318,342. 



binding of. 248. 



breaking, to increase fruit production, 

 318, 342. 



buttresses of, 247. 248. 



cambium of, 227,* 232,* 236* 246-248. 



chlorophyll of, 278. 



climbing, 270. 271,* 272, 273. 274. 275.* 



collenchyma of, 268. 



correlation in, 79 257, 359, 360. 



direction of growth of, affected by cen- 

 trifugal force, 92, 93,* 94. 



gravity. 90, 91*. 92, 93*- 



95. 264. 



light. 261 264. 270. 



wind. 348.* 349.* 



effect of frost o'n, 353. 



heat on, 346. 



light on, 220. 261. 346. 359. 



elasticity of, 269. 



epidermis of, 278. 



fat in. 253, 259. 



fibrous bundles of. 224*. 225*. 226, 227*- 

 231,* 2.32*-234,* 235, 236,* 246. 254-2.56. 



food in. 169, 243. 250. 253,-260, 286. 287, 

 313. 314. 



force of growth of, 73,* 74.* 75.* 76.* 



function of, 163-285. 



Stem, girdling, to increase fruit production. 



257, 318. 

 method of fixing air-tight in stopper, 205.* 

 microscopic structure of, 224,* 225*-227* 



232*-234*. 235. 236*. 246. 254-256. 267,* 



268,* 328, 333,* 334,* 335.* 

 notching, to increase fruit production, 318. 

 one-sided development of, 349, 350.'' 

 path of air in, 258, 278, 279,* 280,* 281,* 282. 

 proteid in. 227. 231. 232,* 236,* 254- 



257. 



starch in, 169. 254, 313, 314. 



sugar in. 259. 



water in, 224*, 225.* 226, 227*-231.* 



232*-236,* 237,* 258. 

 propagation by. 433. 

 proteids in, 254-257. 

 pruning of. 261-264. 

 regeneration in, 257. 

 — of. 79 * 



regions of growth of, 77,* 78. 

 rigidity of. due to osmosis, 269. 

 strengthening tissues, 224,* 



231,* 232,* 236 * 267,* 268-270. 



tissue tension, 268, 269. 



rind of, 224,* 225.* 232,* 233. 236.* 257, 258. 



ringing of, 244. 25", 318. 



self-pruning of, 2C1. 



starch in, 169, 253, 254, 260, 313. 3U. 



—formed in, 278. 



storage of food in, 253, 257-260, 286, 287. 



strains of. due to wind, 265. 



strength of. how secured. 266. 267,* 268,* 



269. 270. 

 strengthening fibers of, 224,* 231,* 2.32,* 



236,* 267,* 268. 



effect of water on, 335.* 



struggle among branches of. 261. 262. 



sugar in. 243, 250. 254. 259. 



sunscald of, 346. 



tendril-bearing, 270, 271,* 272, 273,* 274. 



tip of, how protected, 79.* 



structure of. 226, 250.* 251. 



twining, 275-277. 



twisting, to increase fruit production, 318, 



underground, 260. 277. 



weaving, 270. 



wood of, 224*-227*. 228-231*. 232*-234.* 



235, 236*, 237*, 238*-240.* 



