INDEX 
ros, 112, 131; Archegoniates, 105, 
106; Conifers, 163, 164, 168, 169; 
Cycads, 163, 164; Equisetum, 139, 
140; Ferns, 123, 126, 127; Hepati- 
ex, 106, 107; Hydropterides, 150, 
151; Hymenophyllacee, 126, 127; 
Isoétes, 149, 150; Lycopods, 144, 
145; Marattiacez, 123, 127; Mosses, 
114, 115, 116; Vittaria, 126, 127, 
Figs. 27, 29, 31, 32, 40, 42, 44. 
Gamopetale (see also ‘‘Sympeta- 
le’’), 212. 
Gasteromycetes, 94, Fig. 25. 
Geaster, 94, Fig. 25. 
Gemme (see also ‘‘ Buds”’), 102, 107, 
127. 
Gentian, 215. 
Geographical distribution, 221, 229. 
Geological distribution, 221. 
Geological record (see also ‘“ Fos- 
sil plants ’’), 220, 221, 235. 
Geotropism, 24. 
Geranium, G. family, 209, 210, 250. 
Gerardia, 85. 
Giant tree (Sequoia gigantea), 174, 
227. 
Giant kelp (Macrocystis, Nereo- 
cystis), 63, 287. 
Gigartina, 72; G. spinosa, 72, Fig. 19. 
Gills (of mushroom), 94, Fig. 25. 
Ginger, G. family (Zingiberacez), 
192, 193, 198. 
Gingko, 160, 165, 166, 175, 226, 
Fig. 41. 
Ginseng, 212. 
Glacial epoch, 235, 
Gladiolus, 191, 273. 
Gleditschia (see 
locust’), 212. 
Gleichenia, 136. 
Gleotrichia, 35, Fig. 5. 
Glumacee, 188. 
Glyptostrobus, 227. 
Gnetacez, 161, 173, 175. 
Gold-back fern (Gymnogramme 
triangularis), 273. 
Gonidium (of Volvox), 41. 
Graminez (see also ‘ Grasses’’), 
, 188, 198. 
also ‘“‘ Honey- 
307 
Grasses, 180, 185, 188, 189, 197, 198, 
240, 241, 259, Figs. 45, 54. 
Gravity (influencing movement), 
23, 04. 
Gray, Asa, 236. 
Green Algz (see also ‘‘ Chlorophy- 
cee ’’), 44, 46, 47, 49, 50, 55, 59, 
68, 64, 65, 68, 70, 71, 74, 75, 76, 78, 
79, 83, 99, 100, 104, 106, 118, 129, 
221, 286, 287, 289, 295, 298. 
Green monads (see also “‘ Volvoca- 
cere”), 25, 
Greenland, 230. 
Ground-tissue, 125. 
Guava, 211. 
Gulf States, Gulf of Mexico, 187, 238. 
Gulf Stream, 233. 
Gulf-weed (see also ‘‘ Sargassum ’’), 
20, 67, 69, Fig. 18. 
Gum trees (Nyssa, Liquidambar), 
238; (Eucalyptus), 274. 
Gymnogramme, 273. 
Gymnosperms, Gymnosperme, 155, 
157, 155, 161, 162, 163, 168, 169, 171, 
173, 175, 176, 177, 178, 179, 180, 181, 
191, 226, 227, 268, 293. 
Gymnosporangium, 89, Fig. 23. 
Gynandre, 192. 
Gyneecium (see also “‘ Carpel,”’ ‘‘ Pis- 
til’’), 179, 190. 
Gynostemium (see also ‘Column ’’), 
254, 256. 
H 
Haeckel, 31. 
Hairs, 22, 125, 205, 215, 260, 271, 296, 
Haustorium (see also ‘Sucker’’), 
82, 91, Fig. 21. 
Hawaiian Islands, 234. 
Hawthorn, 89. 
Head (of Composite), °15, 216, 
Heat, evolution of, 25. 
Hedera (Ivy), 211. 
Heliconia, 193. 
Heliotropism, 22, 23. 
Hemidinium nasutum, 65, Fig. 15. 
Hepaticz (see also ‘“ Liverworts’’,, 
101, 102, 103, 106, 109, 110, 111, 113, 
