INDEX 



419 



G 



Gagea lutea, 91 



-Corydalis cava assn., 90 

 Galeobdolon, 50 



luteum, 69 

 Galeopsis, 239 

 Galium anisophyllum, 71 



hercynicum, 352 



pumilum, 120 



tricorne, 373 



verum, 67 

 Garigue, 44, 50, 51, 271, 273, 326, 336 



plants of, 192 



retrogression in, 326 

 Gelicole species, 165 

 Geloid soils, 165 



soil plants, 165 

 Gene combinations affecting fidelity, 



63 

 Generic coefficient, 363 

 Genista, 112 



germanica, 283, 351 



pilosa-Calluna assn., 278 



scorpixis scrub stage, 326 



-Lavandula latifolia assn., 376 



tinctoria, 283 

 Genisteto-Vaccinion, 324 

 Genotypic adaptations, 298 



characteristics, 298 

 Gentiana, 291, 292 



amarella, 314 



brachyphylla, 71 



campestris, 71, 314 



costei, 34 



kochiana, 120, 365 



nivalis, 71 



pneumonanthe, 351 



tenella, 70, 299 



verna, 70 

 Geobotanic cartography, 357 

 Geobotany, fathers of, 81 

 Geocapseta, 371 



Geographic isolations and relict com- 

 munities, 352 



variants, 343 

 Geophyta, 290 



Geophyte-therophyte synusiae, 302 

 Geophytes, 91, 290, 291 



Geranium., 292 



purpureum, 50 

 Germination in Pseudotsuga, 262 



influenced by altitude, 262 

 by light, 99, 100 



of salt plants, 197 

 Girdle arrangement of vegetation, 345 

 Glacial Dryas clay, 211 



relicts, 218 

 Glaux marilima, 201 

 Globularia cordifolia, 294 



nana, 294 

 Gloeocapsa, 109, 188 

 Gloeocystis, 280 

 Glyceria, 194 



marilima, 128 

 Gnaphalium supinum, 120, 121, 122, 

 123, 261, 310 



uliginosum, 364 

 Gola's osmotic theory, 164 

 Gram calories, 84 

 Gramineae, 179 



selective absorption of, 179 

 Graphidion scriptae, 370 

 Gravel holding plants, 319 



slide association, 10, 44 

 Grazing, effect of 272, 273, 274, 275, 

 276 



and plant growth, 271 

 Great life zones, 366 

 Great Salt Lake, saline vegetation of, 



199 

 Green snow, 289 

 Gregariousness, 26, 35 

 Grimaldia, 291 

 Grimmia, 293 

 Ground water, 217 



level and salt content, 200 

 sodium chloride concentration of, 

 196 

 Group concept, 23 

 Groups of formations, 302 

 Growth forms, 287 



influenced by light, 100 



rate, in sea water, 196 



water, 212 

 Gulf Stream, 95, 96 

 Guttation, 127 

 Gymnoascus, 236 

 Gymnogramme, 289 



