INDEX 



413 



Starch, 112, 390; estimation, 121; 

 occurrence, 112; preparation, 113; 

 properties, 114; reactions, 118 ; 

 transformation into oil, 2. 



grains, chemical nature, 115 ; growth, 



117; physical nature, 116. 

 Stearic acid, 7, 13. 

 Sterculia scaphigera, 143. 

 Stigma stero^, 18. 



Stinging nettle, 233, 235, 237, 240. 

 Stratiotes, 132. 

 Straw, 149, 154. 

 Strawberry, 81. 

 Strelitzia, chloroplasts, 2. 

 Strobilanthes, 189. 

 Strophanthin, 88. 

 Strophanthobiose, 88. 

 Strychnine, 266, 269. 

 Strychnos Ignatii, 266. 



nux vomica, 266, 269, 281. 



toxifera, 266. 



Suberin, 157; microchemistry, 165. 

 Sucrose, 64, 81 ; occurrence, 81 ; yield 



of, from beet, 82. 

 Succinic acid, 270, 343, 377, 391. 

 Sugar, general reactions, 68. 



and anthocyan, 252. 

 Sumach, 194, 200, 204, 207. 

 Sunflower, 38, see also Helianthus. 



oil, 2, 21. 

 Suspensoids, 287. 

 Swelling, 297. 

 Synanthrin, 112. 

 Syneresis, 299. 

 Synthease, 382. 

 Syringa vulgaris, 387. 



Tamarix, 195. 



Tannase, 212. 



Tannic acid = Gallotannic acid, 210 ; 

 reactions, 211. 



Tannin, 192; biological significance, 

 222 ; distribution in plant, 217 ; 

 economic use, 194 ; formation in 

 plant, 217, 218 ; occurrence, 193 ; 

 microchemistry, 196 ; physiology, 

 216 ; variation in amount, 217. 



and anthocyanin, 252. 



cork formation, 218. 



Tannins, 192 ; chemistry, 199 ; classifica- 

 tion, 207 ; general properties, 192. 



as glucosides, 208. 

 Taraxacum, 138. 

 Tartary soap, 182. 

 Taxicatin, 172. 

 Taxus, 3, 172, 233, 268. 

 Tea, 204, 207, 210, 278, 280. 



seed oil, 20. 

 Terniinalia Chebula, 193, 206. 

 Tetrasaccharides, 64. 



Thea sinensis, 244, 386. 

 Thebaine, 267. 



Theobroma, fat, 2. 



cacao, 144, 278. 

 Theobromine, 277, 278, 281. 

 Thorn apple, 281. 

 Thrombin, 350, 357, 358. 

 Thrombogen, 358. 

 Thrombokinase, 358. 

 Thymelaeaceae, 181. 



Tilia europcea, 18. 



Tobacco, 272. 



Tomato, 239. 



Toxic agents and enzyme action, 359. 



Tragacanthan-xylan-bassoric acid, 143. 



Tragacanthose, 143. 



Tradescantia virginica, 113. 



Translocation of fats, 43. 



Transpiration, 144, 255. 



Trehalose, 64, 87. 



Trianea, 193. 



Trifolianol, 388. 



Trifolium pratense, 278. 



repens, 278. 

 Trigonellin, 264. 

 Tngonellum fcenum, 264. 

 Trimethylamine, 50, 261, 274, 275. 

 Triolein, 8, 20. 

 Trioxymethylene, 56. 

 Trisaccharides, 64, 88. 

 Trisetutn, 136. 



Tnstearin, 6. 

 Triticin, 112, 136. 

 Triticum repens, 136. 



sativum, 275, 278. 

 Tritona, 132. 

 TrapcEohint mdjus, 149. 

 Tropane, 265. 

 Tropinone, 272. 

 Tropistic movements, 361. 

 Trypsin, 329, 350, 357, 358. 

 Trypsinogen, 357. 



Tryptophane, 325 ; occurrence in plant, 



330; reaction, 316, 376. 

 Tunicates, 148. 

 Tunicin, 148. 

 Turanose, 64, 84, 91. 

 Turkish galls, 210. 

 Tyrosine, 276, 316, 325, 361, 362, 392; 



occurrence in plant, 330, 338. 

 Tyrosinase, 361, 363, 392, 393. 



Ulothrix subtilis, 280. 



Ulva, 227. 



Umbelliferag, 398. 



Unsaponifiable residue of fats, 16. 



Unsaturated compounds, 9. 



Urea in plants, 279, 344. 



Urease, 350, 361. 



Uric acid, 279. 



Urine, 200. 



Urotropine, 54. 



Urtica, 233, 240. 



