INDEX 



409 



RADISH-SEED oil, 20. 



Radium emanation and photosynthesis, 



160. 



Raffinose, 53 ; occurrence, 74. 

 Ranales, 176. 

 Rancidity of fats, 18. 

 Ranunculacese, 176, 183, 265, 396. 

 Ranunculus bulbostis, 288. 

 Rape-seed oil, 4, 20. 

 Raphidium, 334. 

 Ratanhia, 210. 

 Reichert Meissl value determination, 



33 ; table, 33. 

 Rennin, 349. 

 Reseda luteola, 246. 

 Reserve cellulose, 120 ; occurrence, 



132 ; food stuffs, 174 ; of aquatic 



plants, 115. 

 Resin, 196, 219. 

 Resorcinol, 202. 

 Respiration, 51, 242, 258,261, 334, 385, 



395- 

 Reversible changes of colloids, 287. 



reaction, 363. 

 Reversion, 100. 

 Rhamnaceae, 183. 

 Rhamnetin, 246. 

 Rhamnose, 53, 59. 

 Rhamnus cathartica, 246. 



infectorius, 346. 



tinctoria, 246. 

 Rheum, 256. 

 Rhinanthin, 173. 

 Rhizophora mangle, 195. 

 Rhododendron, 194. 

 Rhodophyllin, 232. 

 Rkus, 194, 391. 



coriaria, 195, 212. 



cotinus, 246. 



semialata, 212. 



succedanea, 350. 

 Ribes, 176. 



Rice, 324. 



oil, 19. 

 Ricin, 274. 

 Ricinoleic acid, 8. 



Ricinus communis, 2, 36, 37, 38, 39, 44, 

 49, 274, 288, 301, 302, 367 ; germina- 

 tion, 37, 39, 41, 49 ; separation of 

 oil, 4. 



Robinia pseud-acacia, 195, 218. 



Root, secretion of oxidase, 396. 



Rosaceaa, 176, 183, 266, 396. 



Rosa gallica, 249. 



Resales. 176. 



Rubiaceae, 265, 268. 



Rubia tinctoria, 193. 



Rumex hymenosepalus, 195. 



Russula, 359, 392. 



Rutaceae, 183. 



Rye, 121, 324. 



oil, 20. 



SACCHAROMYCES, 112, 375, 377, see 

 also Yeast. 



Cerevisea, no, in; amount of 



glycogen, no. 

 Saccharose v. Cane Sugar. 

 Saccharum officinale, 68. 

 Salep mucilage, 67, 121, 127. 

 Salicase, 190. 

 Salicin, 174, 175, 189 ; decomposition, 



190; preparation, 189. 

 Salicornia ramosissima, 252. 

 Salicylic aldehyde, 190. 

 Saligenase, 190. 

 Saligenin, 172, 189, 190. 

 Salix, 175. 



viminalis, 189. 

 Salvia, 128. 

 Sambucus, 174, 236. 



nigra, 176, 177, 182. 

 Sambunigrin, 182. 

 Sapindaceae, 176. 

 Sapindus, 184. 

 Sapogenin, 186. 

 Saponaria, 184. 



alba, 183. 



officinalis, 107. 



rubra, 183. 

 Saponarine, 107. 

 Saponification, 13, 14, 21. 



value, determination, 29 ; tables, 29. 

 Saponins, 107, 183. 

 Sapotacese, 176. 

 Sarracenia, 195, 218. 

 Saxifragaceae, 176, 183. 

 Saururaceae, 183. 

 Schizostylis, 115. 



Schweitzer's reagent for cellulose, 134. 

 Scilla, 154. 



maritima, 120. 



nutans, 97, 98, 115. 



sibirica, 98, 115. 

 Scleroproteins, 324. 

 Scrophulariaceae, 396. 

 Scrophularia nodosa, 193. 

 Scutellum, 345. 

 Seaweeds, 297. 

 Secretory cells, 345, 346. 

 Seed dispersal, 128. 

 Selaginella, 225. 

 Selective absorption, 297. 

 Semi-drying oils, 20. 

 Seminase, 225. 

 Sepsine, 274. 



Serum, albumin, 330. 



globulin, 330. 

 Sesame oil, 20, 22, 23, 32. 

 Silene vulgaris, 77. 

 Sinapis, 157. 



nigra, 187. 

 Sinigrin, 187. 

 Sinistrin, 120. 

 Sitosterol, 17. 



