562 



INDEX 



294; Ferns, 246-248; Gnetales, 345; 

 Hymeuophyllaceae, 278; Isoetes, 319; 

 Lycopodium, 304; Marattiaceae, 270; 

 Marsiliaceae, 290, 291 ; Monocotyle- 

 dons, 370; Musci, 223; Ophioglos- 

 saceae, 266; Salviniaceae, 285; Selagi- 

 nella, 311, 312. 



Gases, movements of, 466. 



Gasteromycetes, 185. 



Gaylussacia resinosa, Fig. 438. 



Gazania splendens, 49, Fig. 32. 



Geaster, 186, 187 ; G. rufescens, Fig. 152. 



Geissolomaceae, 447. 



Gelatinous cell-walls, 53. 



Gelatinous Lichens, 189. 



Gemma, 93, 202, 203, 210, 211, 214, 228, 

 242, 248, 278, 308, 309; Characese, 93; 

 Hymenophyllaceae, 278; Liverworts, 

 202, 214; Lycopodium, 308, 309; Mar- 

 chantia, 210, 211; Mosses, 228; Pro- 

 thallia, 242, 248. 



Generative nucleus, 357, 358. 



Gentianacese, 452, 458. 



Gentian, Gentiana, 451, 452; G. crinita, 

 Fig. 441. 



Gentianinese, 458. 



Geographical distribution, 11, 530. 



Geological distribution, 11, 66, 530. 



Geothallus, 213, 214 ; G. tuberosus, 214. 



Geotropism, 490. 



Geraniacese, 43(5, 444. 



Geraniales, 424, 434, 444. 



Geraniineae, 444. 



Geranium, 29, 41, 434, 436, 517; G. 

 maculatum, 425, Fig. 517 ; G. molle, 

 517. 



Gerardia, 29, 476, 506. 



Germination of seeds, 342, 479. 



Gesneriaceae, 458. 



Giant Arbor-vitae ( Thuja plicata) , 344. 



Giant-cactus (see " Cereus giganteus"). 



Giant-kelp (see "Macrocystis"). 



Giant-puffball, 185. 



Gigartina, 135, 141; G. spinosa, Fig. 110. 



Gigartinales, 140, 141, 142. 



Gilia, 453. 



Gills (of Agaricacese) , 181, 183, 184. 



Ginger (see also "Zingiber"), 394, 

 395. 



Ginkgo, 323, 326, 330, 331, 332, 534; 

 G. biloba, Figs. 293, 294. 



Ginkgoales, 326, 330, 346, 534. 



Ginseng (Aralia quinquefolia) , 442. 



Glacial epoch, 538. 



Gladiolus, 24, 375, 380, 391, 521, Fig. 353. 



Glandular hairs, 29. 



Gleba, 186. 



Gleditschia, 362, 434. 



Gleichenia, 257, 275 ; G. dichotoma, Fig. 



242. 



Gleicheniace*, 273, 274, 276, 532. 

 Globoid, 54. 

 Glochidium, 285, 286. 

 Gloeotrichia, 83; G. natans, Fig. 58. 

 Glucose, 1, 54, 55. 

 Glume, 384, 385. 

 Glumifkme, 381, 384, 385. 

 Gluten, 54, 55. 



Gnetales, 326, 344, 345, 346, 347, 414, 535. 

 Gnetum, 344, 345, 346, 356 ; G. Gnemon, 



Fig. 311 ; G. latifolium, Fig. 311. 

 Godetia, 442. 



Gold-back Fern (see " Gymnogramme "). 

 Gomontegaceas, 443. 

 Gomontiaceae, 107. 

 Gomphouema, 88. 

 Gonatonema, 112, Fig. 83. 

 Gonidium, 74, 80, 93, 97, 187. 

 Gonium, 94, 97 ; G. pectorale, Fig. 65. 

 Gonystylaceae, 446. 

 Goodeniaceae, 459. 

 Gooseberry, 368. 

 Gordonia, 439. 

 Graminese (see also "Grasses")) 372, 



384. 

 Grape (see also "Vitis"), 24, 368, 438, 



504. 

 Grasses, 7, 24, 38, 368, 369, 370, 372, 373, 



375, 376, 377, 381, 384, 385, 405, 513, 



546. 

 Green Algae (see also " Chlorophyceae"), 



49, 66, 85, 90, 92, 93, 94, 151, 152, 194, 



195, 197, 203, 214, 469, 501,530; cell- 

 structure of, 93. 

 Greenland-sandwort (Arenaria Gr<en- 



landica), 542. 

 Green-mould (see " Aspergillus, " " Peni- 



cillium "). 



Greinllea robusta, 420. 

 Griffithsia, 135, 138. 

 Grinnellia, 135. 



Ground-pine (see "Lycopodium"). 

 Ground-tissue, 254. 

 Growing-point, 20. 

 Growth, 461, 481, 482. 

 Growth-rings, 335. 

 Guanin, 39. 

 Gulfweed (see also " Sargassum ") , 18, 



124, 130, 497, Fig. 102. 

 Gum, 545, 548. 

 Gunnera, 80. 

 Guttiferae, 446. 

 Gymnoascacese, 169. 

 Gymnocladus, 434. 

 Gymnogramme, 245, 273, 467, 501. 

 Gymnospermse, Gymnosperm, 64, 322, 



