376 



INDEX 



Germination of seed, 202 



Gill fungi, 299, 300 



Gills, of fungi, 296, 300 



Ginkgo, 351 



Girdling, effect of, 112 



Gleba, 302 



Gliadin, 121 



Gloeocapsa, 265, 266 



Gloxinia, starch grains of, 120 



Glucose, 72, 119 



Glumales, 365 



Glutamic acid, 122 



Glycerine, 121 



Glycine, 122 



Gnetales, 354 



Grafting, 151 



reproduction by, 183 

 Grain, 199, 200 

 "Grain" of wood, 107 

 Grape hyacinth, growth of, 176 



sugar, 72, 119 

 Grass, root of, 40 

 Gravity, as environmental factor, 161 



as stimulus, 161 

 Green algae, 266 



molds, 295 

 Grew, 5 



Groups within groups, 258 

 Growing-points, 142-149 



lateral, 146 



terminal, 143 

 Growth, 138-150 



in length, 143-146 



in thickness, 146-149 



of root-tip, 143, 144, 145 



of stem-tip, 146 



rate of, 176 



rings, 148 

 Guard cells, of stoma, 66 

 Gymnosperms, 349-355 



gametophytes of, 345, 347 

 Gymnosporangium, galls formed by. 



Hair-cap moss, 14 

 Hardiness, differences in, 158 



Haustorium, 172, 285 



Hawthorn, 16 



Head, of flowers, 193, 363 



Heart-wood, 105, 106 



Heat, liberated in respiration, 157 



Helvellales, 294 



Hepatica, 362 



Hepaticae, 313 



Herb, 88, 89, 355 



origin of, 102 



stem of, 101, 103 

 Herbalists, 5 

 Hereditary bridge, 207 

 Heredity, 206-225 



versus Environment, 177 

 Heterocyst, 266 

 Heterogamy, 269 

 Heterosporous, 334 

 Heterospory, 326 

 Heterozygous, 217 

 Hibiscus, pollen of, 186 

 Hickory, 91 

 Hilum, of seed, 199 



of starch grain, 120 

 Histology, 3 

 Holdfast, 270, 271 

 Homosporous, 335 

 Homozygous, 217 

 Hormogonia, 266 

 Horsechestnut, twig of, 92 

 Horsetails, 339-342 

 Host, 172 

 Humus, 30 

 Hyacinth, bulb of, 95 

 Hydnaceae, 302 

 Hydrodictyon, 269, 270 

 Hydrolysis, in digestion, 123 

 Hydrophyte, 166, 167 

 Hydropteridales, 333 

 Hydrostatic water, 25 

 Hydrotropism, 163 

 Hygroscopic water, 29 

 Hymenium, 294 

 Hymenoptera, 194 

 Hypha, 285 

 Hypocotyl, 198, 199 



