374 



INDEX 



Farmer, on translocation of water, 



194 

 Fats, 215-219 



composition of, 215 

 saponification of, 216 

 utilization in germination, 215-219 

 Fermentation, 248-278 

 acetic-acid, 267-268 

 acid, 265-269 

 alcoholic, 258-261 



enzymes of, 261-269 

 butyric-acid, 266-267 

 influence of external and internal 



factors on, 275-278 

 lactic-acid, 265-266 

 relation to respiration, 269-275 

 Fertility of soil, methods of deter- 

 mining, 80-84 

 Fertilization, bacterial, 62 

 with carbon dioxide, 44 

 physiological process accompany- 

 ing, 352-355 

 Fertilizers, artificial, 84, 85 

 mineral, 84-85 

 nitrogen, 63-65 

 Field experiments, of soil fertility, 



80-84 

 Findley, on osmotic pressure, 112 

 Fisher, on proteins, 222-223 

 "Flower-forming substance," 351 

 Flowers, 352-353 



Food reserves, deposition of, 343- 

 347 

 in seeds and other organs, 199- 



202 

 utilization of and liberation of en- 

 ergy by, 199-278 

 Forcing, methods of, 288-293 

 with ether, 291 292 

 with warm baths, 292 

 Frankfurt, on fats, 217 

 Freezing, and frost killing, 124-129 

 protection against, 126-129 

 resistance of plants to, 126 

 Fruiting, effects of temperature on, 

 348 

 general effects of, 343-344 



Fruiting, internal factors of, 351 — 

 352 

 time of, effects of environment on, 

 345-350 



G 

 Garner and Allard, on photoperi- 



odism, 348-350 

 Gassner, on growth, 301 

 Gels, 106 



Geotropism, 322-329 

 Germination, of seeds, 293-297 



utilization of reserve foods in, 199- 

 202 

 Girdle, tree, 347 

 Globulins, 223 

 Glucoproteins, 229 

 Glucose, 205 

 Glucosides, 205-206 



hydrolysis of, 206-209 

 Glutelins, 223 

 Glycogen, 205 

 Graft hybrids, 365 

 Grafting, 362-366 

 Gravitational water, 144-145 

 Growth, 279-311 



absorption of soil nutrients at dif- 

 ferent stages of, 88-91 



in artificial light, 37 



without carbon dioxide, 9 



of cells, 284-288 



effects of chemical stimulants on, 

 307-311 



effects of light on, 302-305 



in electric light, 42 



factors, action of, 84-88 



general laws of, 279-284 



grand period of, 282 



harmonious optimum of, 300 



hormones, 287-288, 319 



influence of moisture on, 305-307 



influence of temperature on, 297- 

 302 



movements, 313 



periodicity in, 288-293 

 daily, 302-305 



stages of, 284-288 

 Guttation, 136-139 



