3i6 



INDEX 



Roots, 38, 72, 83, 91, 112, 116, 118, 120, 216, 220, 

 221, 244, 249, 268, 270, 271. 274, 27s; root ex- 

 cretions, 77, 93, 116, 117, hairs, 240; pressure, 

 128, 129. I34p 135; pole, 292; tubercles, 71. 



Rootstocks, 290. 



Rose, see Crocker, Knight and R. 



Rosenbloonij on lipins, 16S; R. and Gies, on lipins, 

 168. 



Rubber membrane, 102. 



Rubiacea, 73. 



Rubidium, 76, 81. 



Ruhus, 233. 



Rudolf, see Czapek, and R. 



Rumex, 36, 9S. 



Rupe, on respiration chromogens, 203. 



Russell, on soils, etc., 69, 78, 86, 93* 



Rust, of grains, 80. 



Rye, 82, 90, 158. 



Rysselberghe, van, on protoplasmic permeability, 

 113. 



SabashnikoTa, see Karapetova and S. 



Sabanin, on silica in seeds, 80. (See also Palladin 

 and S.; Palladin, S. and Lochinovskaia.) 



Sabachnikoff, see Sabashnikova. 



Sabinin, see Sabanin. 



Saccharase, 150. 



Saccharomyces (see also yeast), 42-44. 181, 182, 185. 



Saccharose (see also cane sugar), 17. 38, 44, 105, 

 106, ISO, IS3, 166, 171. 182. 



Sachs, on leucophyll, 17; on light and photosyn- 

 thesis, 23; on products of photosynthesis, 28; 

 on ammonia assimilation, 61 ; on water trans- 

 fer, 131; on transfer of organic substances, 137; 

 on elongation, temperature and light, 218; on 

 grand period of growth, 318; on temperature 

 and germination, 223 ; on light and develop- 

 ment, 251; on correlations, "Stoff und Form," 

 etc., 293; Abhandlungen, 293; S. and Naga- 

 matsz, on starch formation and wilting, 36. 



Sachsse, Agrikulturchemie, 125; on asparagin, 162. 



Safranin, in. 



Sagittaria, 236. 



Salts, absorbed, 96. 



Sambucus, 113, 114. 



Sap, analyses of, 129, 130; ascent of, 133, extrusion 

 of, 128; sap pressure, 128. 



Saponification, 151. 



Saposchnikoff, see Sapozhnikov. 



Sapozlmikov, on photosynthesis and proteins, 31, 

 38; on starch formation from sugar, and trans- 

 fer of organic substances, 38, 137, 138. 



Saprophytes, 45. 



Saratov, 86. 



Saturation deficit, of plants, 126. 



Saussure, de, on gas exchange, ^, 3 ; on respiration, 

 190. 



Sawdust, 12. 



Seal, see Urbain, S. and Feige. 



Schenck, on lianas, 277. 



Schiefferdecker, on hormone hypothesis, 293. 



Schiff's reagent, 30. 



Schimper, on chlorophyll formation, 17; on photo- 

 synthesis and sodium chloride, 36; on salt 

 assimilation, 84; on cypress knees, .119; Plant 



geography, 95, 1 19 ; on calcium oxalate in leaves, 

 163; on strand plants and transpiration, 242. 



Schisostega, 27. 



Schloesing, see Schlosing. 



SchlSsing, on ammonia assimilation by leaves, 6i, 

 68; on ammonia absorption by soil, 62; on 

 nitrification in soil, 63; on transpiration and 

 salt content, I3S» 241, 243; on ash of leaves, 

 2SS; S. and Miintz, on nitrification in soil, 64. 



Schmid, see Nobbe, S., Hiltner and Hotter. 



Schmidt, on light as disinfectant, 262. 



SchSnbein, on formation of ammonium nitrite, 68. 



Schreiner, Reed and Skinner, on toxins in soil, 93; 

 S. and Shorey, on toxins, etc., in soil, 63, 93; 

 S. and Skinner, on nitrogenous substances of 

 soil, 63- 



Schroder, on bleeding, 130. 



Schroeder, see Schroder. 



Schryver, on photosynthesis and formaldehyde, 18. 



Schulow, see Shulov. 



Schulze, E., on protein decomposition, 157, 160; 

 on glutamin, 160; on physiology of seedlings^ 

 161; on phosphatides, 169; on chemistry of 

 cell walls, 170; on identification of cane sugar, 

 171; S. and Frankfurt, on lecithin in plants, 

 169; on cane sugar in plants, 171; S. and 

 Likiernik, on lecithin in seeds, 169; S. and 

 Steiger, on lecithin in plants, 169; S., Steigei 

 and Bossard, on nitrogenous substances in 

 plants, 157.; S., Steiger and Maxwell, on chem- 

 istry of cell walls, 170; S. and Umlauft, on 

 chemistry of germination, 176; S. and Winter- 

 stein, on protein decomposition, 160; on phos- 

 phatides, 169; on lecithin in plants, 169. 



Schulze, F., on infection from air, 51. 



Schuack and Marchlewski, on chlorophyll, 11, 12,. 

 13. 



Schtttzenberger's reagent, 5. 



Schiitt, on phycophaein, 21. 



Schwendener, on ascent of sap, 131, S. and Krabbe^ 

 on turgidity and elongation, 216, 



Scott, see Plimmer and S. 



Scyphantkus, 276. 



Sea-water, 47, 48, 224. 



Seber, on blood and descent, 294. 



Sedum, 191. 



Seedlings, X7S. I99. 200, 209. 



Seeds, metabolism of, 151, 17S, 209. 256; germina- 

 tion of, 174-177. 



Selective culture, 41, 



Selenium, 76, 153. 



Self-sterility, 297. 



Seltwanofif, on chemistry of potato sprouts, i^u 



Sempervivutn, 173, 239, 240, 252, 271. 



Senebier, Pnysiologie v6g6tale, 2 ; on carbon-dioxide 

 aosorption, 2. 



Sensitiveness, phototropic, 250. 



Sensitive plant (see also Mimosa), xxiv, 280. 



Sensitizer action of chlorophyll, 19. 



Septa, osmotic (see also osmotic membranes), 96. 



Serin, 144. 146. 



Serumtherapy. 168. 



Shade plants, 259, 260, leaves, 257. 



Shantz, see Briggs and S. 



Shears, double, 132. 



Shive, on salt nutrition, water culture, etc., 77t 78^ 

 127, 



