392 
Gleditsia, 368 
Gleicheniaceae, 352 
Globulariaceae, 367 
Gloeocapsa, 164, 330 
Gloeosporium, 239, 348 
Gloiosiphoniaceae, 338 
Glucose, 18, 85, 145 
Glucosides, 148 
Glume, 297 
Glycerine, 142 
Glycogen, 147 
Glycollie acid, 140 
Gnaphalium, 376 
Gnetaceae, 355 
Gnetales, 275, 355 
Gnetum, 275, 355 
Gnomoniaceae, 343 
Golden Fern, 258 
Gomortegaceae, 361 
Gonatonema, 333 
Gonidia, 214 
Gonium, 332 
Gonystylaceae, 362 
Goodeniaceae, 373 
Gooseberries, 314, 369 
Gordonia, 363 
Gossypium, 305, 362 
Grain (of grass), 298 
Graminales, 297, 358 
Gramma Grasses, 359 
Grammatophora, 334 
Grapes, 326, 371 
Grape Sugar, 18, 145 
Graphidaceae, 342 
Graphidales, 218, 342 
Graphina, 342 
Graphis, 218, 342 
Graphium, 348 
Grasses, 297, 359 
Grasshopper Fungus, 191 
Grateloupiaceae, 338 
Gray Mosses, 214 
Great Horsetail, 264 
Liverwort, 246, 349 
Green Felts, 185, 334 
Slimes, 171, 332 
Grimmiaceae, 350 
Grinnellia, 209, 339 
Grippe bacteria, 169 
Grossulariaceae, 369 
Ground Pines, 267, 354 
INDEX 
Groundsels, 376 
Growing point, 45 
Growth, 104 
movements, 122 
rings, 62 
Grubbiaceae, 371 
Gulfweeds, 201 
Gum canals, 66 
Gutta Percha, 144 
Guttation, 77 
Guttiferaceae, 363 
Guttiferales, 363 
Gyalectaceae, 340 
Gymnoascaceae, 344 
Gymnoascus, 344 
Gymnocladus, 368 
Gymnogramme, 258 
Gymnospermous, 330 
Gymnosporangium, 235 
Gyrophoraceae, 340 
H 
Habitat, 320 
Hadromal, 154 
Haematococcus, 173 
Haemodoraceae, 360 
Hair-cap Mosses, 252 
Hair Caps, 351 
Hairs, 49 
Halicystis, 336 
Halidrys, 337 
Halimeda, 195 
Halophytes, 320 
Halorrhagidaceae, 370 
Hamamelidaceae, 369 
Haploid, 24, 110 
Haplosiphon, 165 
Hard Puff-balls, 344 
Red Seaweeds, 338 
Haustoria, 188 
Hawkweed, 324 
Hawthorn, 313 
Heartwood, 62 
Heaths, 365 
Hedera, 372 
Hedwigiaceae, 351 
Heleniaceae, 375 
Helenium, 375 
Helianthus, 311, 312, 375 
Helianthaceae, 375 
