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. j 



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*f246-248. 

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



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



313, 314. 



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

 function of, 163-285. 



Stenij 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, 261. 



starch in, 169, 253, 254, 260, 313, 314. 



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,* 232,* 



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.* 



