347 



Freezing, of tissues, 163, 211, 224; freezing-point, 

 of bog water, 101; of plant juices, etc., 124 



Fremy, on chlorophyll, 6 



Freudenreich flask, 59; on nitrifying bacteria, 78 



Friedel on photosynthesis, 35 



Fructose, 17. 38, 202, 209 



Fruits, respiration of, 215 



Fuchsin, 120 



Fungi, 19, 42, 46, 86, 97, 126, 186, 211, 212, 222, 

 291, 301, 302, 333 



Furfurol reaction, 156 



Gaidukov, on chromatic adaptation, 26 



Galactans, 186 

 Galactose, 186 



Galeopsis, 9 



Galium, 249 



Ganong, Laboratory plant physiology, 28 



Gardiner, on nectaries, etc., 140 



Garner and Allard, on light duration and develop- 

 ment, 251 



Gases, 104; exchange of, 2-5, 108, 109, 130; diffu- 

 sion of, 104-105, 106; absorption of, 105-109; 

 movement of, 130-133; stimulation by, 263; 

 given off by differential diffusion, 131, 132 



Gastric juice, 154, 162, 173, 180 



Gaudichon, see Berthelot and G. 



Gaunt, see Buchmer and G. 



Gauthier, on toxins, 18 r 



Gelatine, 43, 60, 61, 77, 1 13, 114, 124, 126, 143, 206, 

 24З. 303; filter, 202; tannate, 243 



Genista, 268, 269 



Geotropism, 293-290; of leaves, etc., 295, 299; of 

 twiners, 312 



Gerlach, on lime-nitrogen, 73 



Germs, in air, 54, 55 



Germination, of seeds, 149, iS5, 166, 171, 173, 174, 

 179, 180, 189-192, 203, 214, 215, 207-220, 224, 

 227, 229, 258, 286 



Giant cells, of Mucor, 270; colonies, of yeast, 205 



Gies, and Kantor, on biuret test, 156. (See also 

 Rosenbloom and G.) 



Gilbert, see Lawes and Gilbert. 



Gingko, 16 



Girdling, I33> 143, 148, 149 



Gladiolus, 213 



Glands, 143; of animals, 143, 329-330 



Glaucophyllin, 13 



Gliadin, 158 



Glikin, on lecithin, 183 



Globulin, 158, 159 



Globulose, 158 



Glucosamin chlorhydrate, 186 



Glucose, xxviii, 38, 69, 117, 121, 124, 164-166, 168, 

 185-191, 202, 209, 225, 258;asanaldehyde, 30; 

 heat of combustion of, 200; hydrolysis of, 167 



Glucosides, 179, 181, 187-188, 213, 223 



Glutamin, 175, 177, 192 



Glutelin, 158 



Gluten, 158 



Glycerine, 17. 21, 38, 117, 121, 123, 163, 165, 166, 

 191, 201, 231 



Glycocoll, 159 



Glycin, 161 



Godlewski, on starch formation and carbon-dioxide 



concentration, 28; on photosynthesis, oil and 

 starch, 29; on nitrification by bacteria, 69; on 

 water transfer, 143; in intramolecular respira- 

 tion, asparagin, etc., 173; on respiration, 215; 

 on light retarding growth, 275; on etiolation, 

 283; G. and Polzeniusz, on anaerobic respira- 

 tion, 221 



Goebel, on ventilation roots, 132; Organography, 

 334; on regeneration, 334 



Gourd (see also Cucurbita), 253, 335 



Gräfe, on photosynthesis, 30; on absorption of or- 

 ganic substances, 39; on salt nutrition, 83, 155; 

 G. and Linsbauer, on geotropic perception, 297 



Grafting, 334 



Graminea, 86, 190 



Gram-molecules, 113, 115 



Grand curve, of growth, 214, 247, 249; of respira- 

 tion, 214, 258 



Grandeau, on nitrogen assimilation, 64 



Grape, 140, 268; grape juice, 43, 201; grape sugar, 

 79 



Gravitation, influence of, on growth and configura- 

 tion, 292-299 



Green, Vegetable physiology, xxii; on proteins in 

 latex, 158; soluble ferments, 163. (See also 

 Vines and G.) 



Greening (see also chlorophyll), 14-17 



Griessmayer, on proteins, 155 



Grigoriew, see Gromow and G. 



Gris, on chlorosis, 16 



Gromow and Grigoriew, on protein decomposition, 

 174, on zymin, 204 



Growth, general discussion of, Pt. II, Chap. I, 241- 

 245; of cell, anatomical relations of, 241-242; 

 conditions favorable to, 242-245; apparatus for 

 the study of, 245; grand period of, 214, 247, 

 249; phenomena of, that are controlled by 

 internal conditions, Pt. II, Chap. II, 247-251; 

 of root stem and leaf, 247-251; three stages of, 

 241; regions of, 156, 248-250; periodicity of, 

 275; and circumnutation, 314; and coiling 

 of tendrils, 313; and climate, 263; and geotro- 

 pism, 294; and movement of floral parts, 291; 

 and respiration, 214; and temperature, 254, 

 255, 257; and strains, 302-304; movements due 

 to, 316; resulting in shortening, 250; diurnal 

 march of, 275 



Growth and configuration, influence of external 

 conditions on, 253-305; dependence of, upon 

 temperature, 253-258; upon oxygen content of 

 the air, 258-260; upon light, 274-292; influence 

 of gravitation upon, 292-299; influence of 

 nutrition on, 299-300; influence of atmospheric 

 gases upon, 260-263; influence of moisture on, 

 263-274; influence of wounding, traction and 

 pressure on, 300-305 



Griiss, on respiration of yeast, 207 



Guanin, 162, 173, 175-177 



Gum arabic, 113, 114 



Gum guaiac, 166 

 Gunnera, 123 



Guttation, 140 



H 



Haar, van der, on oxidases, etc., 167 

 Haarst, van, see Pitsch and van H. 



