4io 



INDEX 



Soap, detergent action, 14 ; manu- 

 facture, 5. 



nuts, 184 ; solution, as a colloid, 14. 



wort, 184. 



Soil as a colloid, 297. 



and a tannin formation, 196. 

 Soja bean oil, 20. 



Soja hispanica, 122. 



hispida, 132. 

 Solanaceae, 266, 267. 

 Solanin, 185. 

 Solatium dulcamara, 185. 



nigrum, 185. 



tuber osum, 340, see also Potato. 

 Solid spirit, 143. 



Soluble starch, 102, 107. 

 Sorbic acid, 338. 

 Sorbitol, 386. 

 Sorbose, 53, 65. 

 Sorghum, 177, 178, 183. 



saccharatum, 68. 



vulgare, 182. 



Soxhlet's method of extraction, 24. 

 Sparganium, 115. 

 Sparteine, 270. 

 Spermaceti, i, 43. 

 Sphaerocrystals, 118. 

 Spinach, 295. 

 Spinachia oleracea, 340. 

 Spircea Ulmaria, 190. 

 Spirogyra, 157, 194, 195, 198, 220, 

 221. 



crassa, 280. 

 Stachydrine, 267. 

 Stacbyose, 53 ; occurrence, 76. 

 Stachys silvatica, 235. 



tuberifera, 76, 267. 



Starch, 115; estimation, 105; occur- 

 rence, 97 ; preparation, 98 ; pro- 

 perties, 99 ; reactions, 104 ; trans- 

 formation into oil, 2. 



grains, chemical nature, 99 ; growth, 



101 ; physical nature, 101. 

 Stearic acid, 7, 12. 

 Sterculia scaphigcra, 127. 

 Stigmasterol, 69. 



Stinging nettle, 238, 235, 240, 242. 

 Stratiotes, 115. 

 Straw, 132, 136. 

 Strawberry, 68. 

 Strelitzia, chloroplasts, 2. 

 Strobilanthes, 191. 

 Strychnine, 268, 271. 

 Strychnos Ignatii, 268. 



nux vomica, 268, 271, 281. 



toxifera, 268. 



Suberin, 139 ; microchemistry, 145. 

 Sucrose, occurrence, 68 ; yield of, from 



beet, 69. 



Sugar, formation, 164. 

 and anthocyan, 254. 

 Sumach, 195, 205, 210, 212. 



Sunflower, 37, 334, 336, see also Heli- 

 anthus. 



oil, 20. 

 Suspensoids, 292. 

 Synanthrin, 97. 

 Synthease, 381. 

 Syringa vulgaris, 386. 



TAMARIX, 196. 



Tannase, 215. 



Tannic acid, 195. 



Tannin, 193 ; biological significance, 

 223 ; distribution in plant, 218, 

 219 ; economic use, 195 ; forma- 

 tion in plant, 218, 222 ; occur- 

 rence, 194 ; microchemistry, 197 ; 

 physiology, 217 ; variation in 

 amount, 196. 



and anthocyanin, 254. 



cork formation, 220. 



Tannins, 193 ; chemistry, 200 ; classifica- 

 tion, 209 ; general properties, 193. 



as glucosides, 208. 

 Taraxacum, 121. , 

 Tartary soap, 184. 



Taxicatin, 175. 



Taxus, 175, 236. 



Tea, 205, 210, 212, 243, 278, 279, 280. 



Terminalia Chebula, 194, 207. 



Then sinensis, 246, 385. 



Thebaine, 269. 



Theobroma, fat, 2. 



cacao, 128, 278. 

 Theobromine, 277, 278, 281. 

 Thorn apple, 281. 

 Thrombin, 349, 356. 

 Thrombogen, 356. 

 Thrombokinase, 356. 

 Thymelseacese, 183. 

 Tobacco, 273. 



Tomato, 241. 



Toxic agents and enzyme action, 357. 



Tragacanthan-xylan-bassoric acid, 126. 



Tragacanthose, 126. 



Tradescantia virginica, 98. 



Translocation of fats, 42. 



Transpiration, 128, 257. 



Trehalose, 53, 73. 



Trianea, 194. 



Trifolianol, 386. 



Trifolium pratense, 279. 



repens, 279. 

 Trigonellin, 266. 

 Trigonellum fcenum, 266. 

 Trimethylamine, 49, 263, 273. 

 Triolein, 7. 

 Trioxymethylene, 150. 

 Trisaccharides, 53, 74-76. 

 Trisetum, 120. 

 Tristearin, 6. 



Triticin, 97, 120. 

 Triticum repens, 120. 



