INDEX 



593 



stimulus, 352; fleshy, 345; func- 

 tion, 8 ; monstrosities, 366 ; 

 morphology, 347 ; multiple, 352 ; 

 relation to ovary, 345 ; simple, 

 352; spurs, 183; twin, 196, 199; 

 two-storied, 367. 



Fucales, described, 442. 



Fuchsia, 332. 



Fucoxanthin, 439. 



Fucus, 189 ; life cycle, 442 ; sex 

 cells, 304; vesiculosus, 442. 



Fumitory family, 547. 



Fungi, 11, 84 ; classes of, 399 ; colors, 

 86; damage by, 368; Imperfecti, 

 476 ; nutrition, 84 ; parasitic, 367 ; 

 relationship to Algae, 398 ; in soils, 

 244. 



Fungus-animals, 412. 



Fusion nucleus, 353. 



Fusion of germ cells, 280. 



Galls, described, 203 ; typical, 204. 



Gamete, 287, 303, 397 ; origin, 421. 



Gametophyte, 484, 497. 



Gamopetalce, 553. 



Gamopetalous, 271. 



Gamosepalous, 270, 330. 



Garigue, 585. 



Gasteromycetes, described, 474. 



Gedster, 475. 



Gelatination, 99. 



Gelatinous, Fungi, 469; secretion, 



401. 



Gemmae,, 300. 

 Genealogies, 392. 

 Genera, 392. 



Generation, skipping a, 311. 

 Generations, alternation of, 507, 508, 



509. 



Genetic variations, 314. 

 Genetics, 4. 

 Genotypically, 310. 

 Gentianales, described, 554. 

 Geophytes, 564. 

 Geotropism, 174, 175, 296, 297; 



function of, 177 ; lateral, 255 ; of 



Mushrooms, 178 ; of roots, 174 ; 



of stems, 175. 

 Geraniales, described, 549. 

 Gerardia, Purple, 87. 

 Germ cell, 280 ; fusion, 280 ; purity 



of, 311. 

 Germination, 381 ; delayed, 378 ; of 



Lima Bean, 383 ; movements, 

 2Q 



382; of mummy seeds, 380; of 

 pollen, 275; stages, 381. 



Germs, 402. 



Ghost Plant, 85. 



Giant, Grasses, 567; Herbs, 567; 

 Kelp, 190. 



Gigantochloa ater, 531. 



Gill Fungi, 471. 



Ginkgo biloba, 519. 



Gland, ethereal oil, 107. 



Gleba, 475. 



Globulin, 105. 



Glceocapsa, 399, 400, 418. 



Glucose, 100. 



Glucoside, 110. 



Glumes, 531. 



Glumiflorce, 530. 



Glutelin, 105. 



Gnarls, 199. 



Gnetales, described, 524. 



Gnetum, 523, 524. 



Goebel, Schilderungen, 62. 



Gottschea appendiculata, 482. 



Gourd, 351. 



Graft-hybrids, 210. 



Graftage, 208. 



Grafting, 208, 209, 371 ; results, 210. 



Graham flour, 385. 



Grain, 317, 385; Corn, 375; im- 

 portance, 385 ; structure, 349. 



Grains, 532. 



Graminales, described, 530. 



Grand period, 156, 157; described, 

 156. 



Grape Blight, 437. 



Grape sugar, formula, 21 ; role in 

 plant, 27. 



Grasses, 530; flower, diagram, 530. 



Grassland Formations, 585. 



Gravel Formations, 586. 



Gravitation, effects on plants, 175. 



Green, Algae, described, 415; Felt, 

 430 ; Molds, 456. 



Green-manuring, 260. 



Greenness of vegetation, 26. 



Ground Plants, 570. 



Growth, 39, 264; definite annual, 

 138; described, 153; control 

 mechanism, 342 ; effect of hu- 

 midity on, 158; effect of light 

 on, 158, 159 ; effect of temperature 

 on, 157, 158; of general tissue, 

 354 ; grand period in roots, 221 ; 

 indefinite annual, 138; of leaves, 



