INDEX 



359 



Vallery-Radot, Life of Pasteur, xxxiii 



Vallota, 335 



Van Rysselberghe, see Rysselberghe, van, 



Van Tieghem, see Tieghem, van. 



Van't Hoff, see Hoff, van't. 



Variation, movements of, Pt. II, Chap. V, 318-322; 

 autonomic movements of, 318; paratonic move- 

 ments of, 318-322 



Variegated leaves, 181 



Vaucheria, 333, 334 



Verbascum, 278 



Verbena, 278 



Verworn, on conditional control, xxxv; General 

 Physiology, 157 



Vesque, on absorption and transpiration, 136 



Vessels, gas in, 144; movement of sap in, 14s, 146; 

 transmission of pressure in, 14s; negative pres- 

 sure in, 106, 132, 133, 144 



Vetch (see also Vicia), 20, 160, 162, 282 



Vicia (see also Vetch), 100, 162, 165, 177, 228, 229, 

 250, 251, 278, 283 



Vienna, 291, 292 



Ville, on chlorophyll formation and soil fertility, 17 



Vinegar, 234 



Vines, on enzymes of Nepenthes, 37; on light and 

 leaf growth, 286; V. and Green, on proteins 

 of Asparagus, 161 



Vinogradskii, on nitrifying organisms, 49, 68; on 

 selective culture, 44; on sulphur bacteria, 50; 

 on iron bacteria, 53! on nitrifying organisms of 

 soil, 68; on nitrogen fixation by microorgan- 

 isms, 78; V. and Omelianskii, on nitrobacteria, 

 69 



Viola, 87 



Virulence, of bacteria, 185 



Vitis, 250, 314 



Vochting, on light and leaf position, 279; on light 

 and development of cacti, 285; on light and 

 floral development, 293; on zygomorphy 297; 

 on correlations, 301; on formation of tubers, 

 328; on sprouting of potato tubers, 329; on in- 

 duced rhizome formation, 329; Organbildung, 

 331; Transplantation, 336, 337; on symbiosis 

 of Helianthus annuus and H. tuberosus, 337 



Volatile oils, 136 



Volkens, on guttation, 140 



Vorbrodt, on phosphorus compounds and phytin, 

 177, 188 



Voronezh, 95 



Voss, on twining, 313 



Votchal, on water transfer, 143, 14s, 146; on solanin 

 in plants, 185 



Votchall, see Votchal. 



Vries, de, on turgidity, isosmotic coefficients, etc., 

 114, us, 116, 119; on osmotic values of cell 

 sap, 123; on plasmolysis, etc., 121, 246; on 

 protoplasmic streaming, 123; on root contrac- 

 tion, 252; on tendrils, 314 



W 



Wagner, A., on leaves of alpine plants, 324 

 Wagner, P., fertilizer experiments, 70, 73, 94 

 Wahl and Henius, Book of brewing, etc., 204 

 Walden, on osmotic membranes, 113 

 Walther, Krasnosselskii, Maksimov and Malchev- 

 skii, on hydrocyanic acid in bamboo, 182 



Washburn, on osmotic pressure, etc., 109, no, 113, 



119 



Wasps, distributors of yeast, 204 



Water, absorption of, 275, 276; importance of, 19-1 

 192; in metabolism, 18, 82, 83, 191, 201, 210; 

 211, 220, 221, 226, 228; in respiration, 220-221; 

 transfer of, 107, I33-I34. 143. 14S. 146; and 

 configuration, 268, 272; purification of, by sun- 

 shine, 294 



Water-plants, 38 



Water-pouches, 266, 267 



Water-requirement, 137 



Wax, 265 



Weather, and gas in vessels, 144 



Weber, on ash of etiolated leaves, 287 



Weevers, on potassium in plants, 90; on caffein and 

 theobromin, 179 



Wehmer, on ash analyses, 89; on Mucor fermenta- 

 tion, 211; on oxalic acid in fungi, 191 



Weighting of light values, 292 



Weimarn, on colloids, in 



Weinzierl, on alpine cultures, 325 



Weissberg, see Engler and W. 



West, on chlorophyll, 7; on non-chlorophyll pig- 

 ments, 22 



Weyl, on proteins, 161 



Wheat (see also Trilicum), 17, 161, 162, 164, 17s. 

 187, 191, 193, 224, 226, 230, 232, 283, 286, 333 



Wheat rust, 86 



Whitney and Cameron, on soil fertility, 99, 10 1 



Wieland, on oxidation processes, 202, 211 



Wieler, on bleeding, 140 



Wiener, on iron in plants, 90 



Wiesner, on chlorophyll formation, 15; on trans- 

 piration, 135, 137, 138; on descending water 

 stream, 270; on diffusion in plants, 107; 

 on light relations, 28, 276, 285, 288, 290, 291, 

 292; on geotropism, 294, 302; on circummuta- 

 tion, 316; on phototropism, 277, 281, 294, 316; 

 W. and Molisch, on gas movement in plants, 

 106 



Wilfarth, see Hellriegel and W. 



Wille, see Ville. 



Willow, 252, 253, 282, 331 



Willstatter, on chlorophyll, 6, 7, 8, 13; W. and 

 Asahina, on chlorophyll derivatives, 12; W. 

 and Benz, on chlorophyll, 8, 9; W. and Escher, 

 on lycopin, 21; W. and Fritsche, on chlorophyll 

 derivatives, 11, 14; W. and Hocheder, on 

 chlorophyll derivatives, 8, 14; W. and Hug, on 

 chlorophyll, 6; W. and lsler, on chlorophylls 

 of different plants, 14; W., Mayer and Huni, on 

 phytol, 8; W. and Mieg, on yellow pigments, 

 20; W. and Pfannenstiel, on rhodophyllin, 14; 

 W. and Stoll, on chlorophyll, 7, 10, 14, 20; on 

 chlorophyllase, 8 

 Wilting, 37, 143. 275 

 Winkler, on gas analysis, 4 

 Winogradsky, see Vinogradskii. 



Winterstein, on fungus cellulose, 189; on 

 phosphatides, 186; W. and Hiestand, on phos- 

 phatides, 186; W. and Smolenski, on phospha- 

 tides, 186; W. and Stegmann, on phosphatides, 

 186; W. and Trier, on alkaloids, 184. (See also 

 Schulze and W.) 

 Witches brooms, 303, 304 

 Woburn Experimental Farm, 99 



