528 



INDEX 



Salvia, 192. 



Sambiicus, 232, 244, 253, 254. 



— niger, 259. 

 Sambunigrin, 259. 

 Sapindus, 265. 

 Sapogenins, 263. 

 Saponaria, 261, 265. 



— officinalis, 160. 

 Saponification of fats, 10, 17. 



— value, 21. 



Saponins, 261 ; constitution, 263 ; 



isolation, 262 ; physiological 



action, 264. 

 Sarracenia, 268, 273. 

 Schizostylis, 176. 

 Scilla tnaritima, 179. 



— nutans, 148, 173. 



— sibirica, 148, 173. 

 Scleroproteins, 427. 

 Scrophiilaria nodosa, 266. 

 Secalane, 182. 



Sedtim spectabile, 107. 

 Seed dispersal, 192. 

 Selaginella, 230, 309. 



— lepidophylla, 120. 

 Seliwanoff reaction, 96. 

 Semi-drying oils, 30. 

 Serine, 443. 



Sesame seed, 17. 



Sinapis nigra, 245. 



Sinigrin, 245. 



Sinistrin, 179. 



Skatol, 453. 



Snowdrop, 115. 



Soap, II ; manufacture, 33. 



Sodium sulphite, action in alcoholic 



fermentation, 491. 

 Soja bean, 56. 



— hispanica, 185, 206. 

 Solanaceae, 363. 

 Solanin, 262. 

 Solanum, 262. 



— lycopersicum, 201. 



— tuberosum, 453. 

 Soluble starches, 151. 

 Sorbitol, 70. 

 Sorbose, 95, 103. 



Sorghum, in, 254, 259, 260, 261. 



— saccharafum, 109. 

 Soxhlet's apparatus, 16. 

 Sparganium, 176. 

 Sparteine, 371. 

 Spermato lipase, 475, 476. 

 Sphagnum, 49, no. 

 Spinach, 437. 



Spinacia oleracea, 453. 

 Spircea filipendula, 121, 248. 



— gigantea, 121, 248. 



— ulmaria, 121, 247, 248. 

 Spirochceta cytophaga, 212. 

 Spirogyra, 267, 269, 271, 274, 



275- 



— crassa, 378. 



Stachydrine, 362, 363. 



Stachyose, 125. 



Stachys silvatica, 321. 



• — tubifera, 125, 362. 



Starch, 146 ; action of acids on, 154 ; 

 action of bacteria on, 158 ; action 

 of diastase on, 155 ; amount in 

 leaf, 148 ; composition of starch 

 grain, 151 ; estimation, 161 ; pre- 

 paration, 149 ; properties, 150 ; 

 purification, 149 ; reactions, 159 ; 

 structure of granules, 146. 



Sterculia scaphigera, 190. 



Stereoisomerism, 8. 



Sterol content of unsaponifiable 

 residue, estimation, 50. 



Sterols, 46. 



Stratiotes, 176. 



Strawberry, 109 ; pectins of, 196. 



Strelitzia, 2. 



Strobilanthe, 251. 



Strophanthobiose, 122. 



Structural isomerism, 80. 



Strychnos ignatii, 364. 



— mix vomica, 249, 364, 366, 379. 



— toxifera, 364. 

 Suberic acid, 233. 

 Suberin, 231, 233. 



Suberized membranes, microchemi- 

 cal reactions, 234. 



Succinic acid, 451, 487. 



Sucrose, 109; constitution, 113; 

 occurrence, 109 ; preparation, in ; 

 properties, 113. 



Sugars, abnormal, 126; characteriza- 

 tion, 86 ; constitution, 80 ; estima- 

 tion, 126, 132, 140, 141 ; isomer- 

 ism, 80 ; oxidation products, 84 ; 

 relative proportions, no. 



Sulphatase, 480. 



Sulphite cellulose, 235. 



Sumach, 283, 287, 301. 



Sunflower, 89. See also Helianthus. 



— seed oil, 2. 



Suspensoids, 389 ; precipitation of, 



391- 

 Swelling of colloids, 400. 

 Syneresis, 401. 

 Syringa vulgaris, 70. 



Takadiastase, 479. 



Tannins, 288 ; classification, 286 ; 

 economic uses, 301 ; microchemi- 

 cal reactions, 270 ; occurrence, 

 267 ; properties, 266 ; physio- 

 logical significance, 272. 



Taraxicum, 181. 



Taxine, 365. 



Taxiis, 35. 



Temperature and food reserves, 

 177. 



Terminalia, 301. 



