INDEX 



427 



Factors, 317, 335. 

 climatic, 317. 

 edaphic, 317. 

 topographic, 317. 

 Fagaceae, 236. 

 Fagus, 236, 289. 

 False fruits, 219. 

 Family, 231. 



Feather-grass (Stipa), 222. 

 Fehling's solution test for grape- 

 sugar, 86, 131. 

 Fennel, 247. 

 Ferns, 220, 221, 231. 

 Bladder, 349. 

 Lady, 348. 

 Male, 348, 369. 

 Marsh, 353. 

 Fescue-grass, 385, 386. 

 Meadow, 370. 

 Sheep's, 367, 368, 370. 

 Festuca, 367, 385, 386. 

 Fibrous roots, 59. 

 Fig, 210, 219. 

 Figwort, 256. 

 Filament, 15, 16, 158. 

 Fir, Scotch {see Pine), 270. 



Douglas, 353. 

 Fixed-light position, 147-8. 

 Flag, Yellow, 267. 

 Flax, 361. 



New Zealand, 266. 

 Purging, 369, 379. 

 Floral diagram, 17. 

 Flowering Rush, 128, (Fig. 82), 



269, 371. 

 Flowers, 14-18. 



biology of, 156-203. 

 explosive, 191. 

 irregular, 173 

 pollination of, 156-203. 

 structure of, 14-18. 

 Foeniculum, 247. 

 Follicle, 216, (Figs. 149, 159). 

 Forget-me-not, 250-2, (Fig. 170), 

 263. 

 Corn, 378. 

 Water, 376. 

 Foxglove, 125, 256, (Fig. 174), 



343- 

 Fragaria, 243. 

 Fraxinus, 308. 

 Freesia, 267. 

 Fritillary, 266. 



Frog-bit, 60, 372. 



Fruits, 17-18, 21 1-19, (Figs. 143- 



dispersal of, 219-28, (Figs. 156- 



62). 

 dry, 211-17. 

 explosive, 215-17, 226-8, (Fig. 



162). 

 structure of, 211-19. 

 succulent, 217-19, (Figs. 152- 

 5), 224-5. 

 Fuchsia, 97-8. 

 Fucus, 381. 

 Fumaria, 378. 

 Fumitory, 378. 



Climbing, 341. 

 Funicle, 19-24, 207-8, (Figs. 6-9, 



139. x 4i)- 

 Fungi, 220, 224, 231. 



work of, 325, 354, 357. 

 Funkia, 266. 

 Furze {see Gorse). 



Galanthus, 267. 

 Galeopsis, 254, 379. 

 Galium, 378, 380. 

 Gamopetalous, 175. 

 Gamosepalous, 172, 174. 

 Garlic, 141, 266, 343, 348. 

 Gean, 354. 

 Genista, 246. 

 Genus, 11, 231. 

 Geotropism, 38-9. 



negative, 39. 



positive, 39. 

 Geophytes, 140. 

 Geranium, 378, 389. 

 Gera,nium{Pelargonium), Garden, 

 74, 81-3, 172, (Figs. 52, 

 117). 



Field, 172, 174, (Fig. 162). 

 Germination, 24-34. 

 Geum, 244. 

 Gipsy- wort, 254. 

 Gladdon {see Yellow Flag), 268, 



353- 

 Gladiolus, 134, 267. 

 Glasswort, 382, 383. 

 Glaucium, 389. 

 Glaux, 249, 383. 

 Gloriosa, 266. 

 Glumes, 201, (Fig. 138). 

 Glyceria, 343. 37 1 > 3 8 3- 



