356 



INDEX 



Rigidity, and tissue strains, 253 



Rijn, van, on glucosides, 184, 190 



Rikhter, A., on photosynthesis and light, 25; on 

 death by freezing, 214; on zinc and copper in 

 Aspergillus nutrition, 87 



Ripening, of potato tubers, 188 



Rischavi, on respiration, 217 



Ritter, on dentrifying organisms, 79; on giant 

 cells of Mucor, 272, 302 



Robinia, 27, 77 



Rochea, 124, 265, 266 



Roots, 6, 38, 76, 89, 97, 121, 125, 130, 132, 246, 251, 

 252, 276, 281, 300, 302, 303, 306, 307; root ex- 

 cretions, 83, 99, 126; hairs, 272; pressure, 140, 

 141, 146, 150; pole, 331; tubercles, 75 



Rootstocks, 329 



Rose, see Crocker, Knight and R. 



Rosenbloom, on lipins, 186; R. and Gies, on lipins, 

 186 



Rubber membrane, m 



Rubiacea, 77 



Rubidium, 82, 87 



Rubus, 265 



Rudolf, see Czapek, and R. 



Rumex, 37, 101 



Rupe, on respiration chromogens, 226 



Russell, on soils, etc., 73, 84, 92, 99 



Rust, of grains, 86 



Rye, 88, 96, 176 



Rysselberghe, van, on protoplasmic permeability, 

 122 



S 



Sabachnikoff , see Sabashnikova. 



Sabanin, on silica in seeds, 86, (See also Palladin 

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



Sabashnikova, see Karapetova and S. 



Sabinin, see Sabinin. 



Saccharase, 168 



Saccharomyces (see also yeast), 45-47, 204, 205, 208 



Saccharose (see also cane sugar), 17, 39, 47, 113, 

 114, 168, 171, 184, 189, 205 



Sachs, on leucophyll, 18; on light and photosyn- 

 thesis, 23; on products of photosynthesis, 28; 

 on ammonia assimilation, 65; on water trans- 

 fer, 143; on transfer of organic substances, 152; 

 on elongation, temperature and light, 249; on 

 grand period of growth, 249; on temperature 

 and germination, 255; on light and develop- 

 ment, 283; on correlations "Stoff und Form," 

 etc., 332; Abhandlungen, 332; S. and Naga- 

 matsz, on starch formation and wilting, 37 



Sachsse, Agrikulturchemie, 137; onasparagin, 180 



Safranin, 120 



Sagitlaria, 268 



Salts, absorbed, 104 



Sambucus, 122 



Sap, analyses of, 141, 142; ascent of, 145, extrusion 

 of, 140; sap pressure, 140 



Saponification, 169 



Saposchnikoff , see Sapozhnikov. 



Sapozhnikov, on photosynthesis and proteins, 32, 

 39; on starch formation from sugar, and trans- 

 fer of organic substances, 39, 152 



Saprophytes, 47 



Saratov, 92 



Saturation deficit, of plants, 138 



Saussiire, de, on gas exchange, 2, 3; on respiration, 

 213 



Sawdust, 12 



Seal, see Urbain, S. and Feige. 



Schenck, on lianas, 314 



Schiefferdecker, on horm one hypothesis, 332 



Schiff's reagent, 30 



Schimper, on chlorophyll formation, 17; on photo- 

 synthesis and sodium chloride, 37; on salt 

 assimilation, 90; on cypress knees, 131; Plant 

 geography, 100, 131; on calcium oxalate in 

 leaves, 181; on strand plants and transpiration, 



274 



Schisostega, 27 



Schloesing, see Schlosing. 



Schlosing, on ammonia assimilation by leaves, 65, 

 72; on ammonia absorption by soil, 66; on nitri- 

 fication in soil, 67; on transpiration and salt 

 content, 150, 273. 275; on ash of leaves, 287; 

 S. and Mtintz, on nitrification in soil, 68 



Schmid, see Nobbe, S., Hiltnerand Hotter. 



Schmidt, on light as disinfectant, 294 



Schonbein, on formation of ammonium nitrite, 72 



Schreiner, Reed and Skinner, on toxins in soil, 99; 

 S. and Shorey, on toxins, etc., in soil, 67, 99; 

 S. and Skinner, on nitrogenous substances of 

 soil, 67 



Schroder, on bleeding, 142 



Schroeder, see Schroder. 



Schryver, on photosynthesis and formaldehyde, 18 



Schulow, see Shulov. 



Schulze, E., on protein decomposition, 175, 178; 

 on glutamin, 178; on physiology of seedlings, 

 179; on phosphatides, 187; on chemistry of 

 cell walls, 188; on identification of cane sugar. 

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

 187; on cane sugar in plants, 189; S. and Liki- 

 ernik, on lecithin in seeds, 187; S. and Steiger, 

 on lecithin in plants, 187; S., Steiger and Bos- 

 sard, on nitrogenous substances in plants, 175; 

 S., Steiger and Maxwell, on chemistry of cell 

 walls, 188; S. and Umlauft, on chemistry of 

 germination, 194; S. and Winterstein, on pro- 

 tein decomposition, 178; on phosphatides, 187; 

 on lecithin in plants, 187; 



Schulze, F., on infection from air, 54 



Schunck and Marchlewski, on chlorophyll, 11, 12, 

 13 



Schiitt, on phycophaein, 21 



Schiitzenberger's reagent, 5 



Schwendener, on ascent of sap, I43> S. and Krabbe, 

 on turgidity and elongation, 246 



Scott, see Plimmer and S. 



Scyphanthus, 313 



Sea-water, 50, 51, 256 



Seber, on blood and descent, 333 



Sedum, 214 



Seedlings, 193. 222, 223, 229. 232 



Seeds, metabolism of, 169, 193. 232, 288; germina- 

 tion of, 192-195 



Selective culture, 44 



Selenium, 82, 171 



Self-sterility, 336 



Seliwanoff , on chemistry of potato sprouts, 189 



Sempervivum, 191, 271, 272, 284, 303 



Senebier, Physiologie veg6tale, 2; on carbon- 

 dioxide absorption, 2 



