INDEX 



307 



ros, 112, 131; Archegoniates, 105, 

 106; Conifers, 163, 164, 1(58, 169; 

 Cycads, 163, 164; Equisetuni, 139, 

 140 ; Ferns, 123, 126, 127 ; Hepati- 

 cae, 106, 107; Hydropterides, 150, 

 151 ; Hymenophyllaceae, 126, 127 ; 

 Isoetes, 149, 150; Lyeopods, 144, 

 145 ; Marattiacete, 123, 127 : Mosses, 

 114, 115, 116; Vittaria, 126, 127, 

 Figs. 27, 29, 31, 32, 40, 42, 44. 



Gamopetalae (see also " Sympeta- 

 lae"),212. 



Gasteromycetes, 94, Fig. 25. 



Geaster, 94, Fig. 25. 



Gemmae (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. 



Gigartiua, 72 ; G. spinosa, 72, Fig. 19. 



Gills (of mushroom), 94, Fig. 25. 



Ginger, G. family (Zingiberaceae), 

 192, 193, 198. 



Gingko, 160, 165, 166, 175, 226, 

 Fig. 41. 



Ginseng, 212. 



Glacial epoch, 235. 



Gladiolus, 191, 273. 



Gleditschia (see also "Honey- 

 locust"), 212. 



Gleichenia, 136. 



Gloeotrichia, 35, Fig. 5. 



Glumacere, 188. 



Glyptostrobus, 227. 



Gnetaceae, 161, 173, 175. 



Gold-back fern (Gymnogramme 

 triangularis) , 273. 



Gonidium (of Volvox), 41. 



Gramineae (see also "Grasses"), 

 188, 198. 



Grasses, 180, 185, 188, 189, 197, 198, 

 240, 241, 259, Figs. 45, 54. 



Gravity (influencing movement), 

 23, 24. 



Gray, Asa, 236. 



Green Algae (see also " Chlorophy- 

 ceae"), 44, 46, 47, 49, 50, 55, 59, 

 63, 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- 

 ceae "), 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, Gymnospermae, 155, 

 157, 158, 161, 162, 163, 168, 169, 171, 

 173, 175, 176, 177, 178, 179, 180, 181, 

 191, 226, 227, 268, 293. 



Gymnosporangium, 89, Fig. 23. 



Gynandrae, 192. 



Gynoecium (see also " Carpel," " Pis- 

 til"), 179, 190. 



Gynostemium (see also " Column ")j 

 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 Compositae), CIS, 216. 

 Heat, evolution of, 25. 

 Hedera (Ivy), 211. 

 Heliconia, 193. 

 Heliotropism, 22, 23. 

 Hemidinium nasutum, 65, Fig. 15. 

 Hepaticae (see also "Liverworts"), 



101, 102, 103, 106, 109, 110, 111, 113, 



