INDEX AND GLOSSARY 



453 



Eupatorium, 444, Fig. 138. 



Euphorbia, 273, 275, 352. 



Euphorbiacese, 351. 



Eutropic: in the direction of the sun's 

 course, (243), Fig. 179. 



Evening primrose, 3, 243, 396, Figs. 276, 

 415. 



Evergreen: remaining green, (216). 



Everlasting, 443. 



Evolution, 240. 



Excurrent: the trunk or leader contin- 

 ued through the top, (39), Fig. 19. 



Exogenous stems, 286. 



Exosmosis, 73. 



Explosive fruits, 166. 



Exposure, 215. 



Expression in plants, 65. 



Fagopyrum, 350, Fig. 513. 



Fagus, 343. 



Fall of leaf, 97, 299. 



False annual: perennial by means of bulbs, 



corms, or tubers, (13). 

 Farm forestry, 258. 

 Fastigiate trees, 64, Fig. 112. 

 Fats, 271, 273. 

 Fehling's solution, 272. 

 Fern, 18, 183, 205, 209, 224, 321, Fig. 479; 



Christmas, 179, 323, Figs. 331, 332; 



cinnamon, 322, Fig. 479; flowering, 322; 



lady, 323; maidenhair, 180, Fig. 336; 



marsh shield, 324; ostrich, 323; poly- 



pode, 180, Figs. 333, 334; royal, 322; 



sensitive, 322, 323, Fig. 337; shield, 324; 



fronds, 179; in good and poor light, 42, 



Figs. 73, 74; discussed, 179, 198, 202; 



prothallus, 180, Fig. 339. 

 Fertilization: impregnation of the ovule, 



(276). 

 Fertilizer, 77. 

 Fibrous tissue, 281. 

 Fibro-vascular bundles, 283. 

 Ficus elastica, 277, Fig. 447. 

 Field crop, 249. 

 Fig, climbing, Fig. 78. 

 Fig wort, 406; family, 404. 

 Filament: stalk part of the stamen, (270). 

 Filices, 321. 

 Film, moisture, 75. 

 Fir, 64. 



Fire-blight, 92. 

 Fireweed, 230; purple, 397. 

 Five-finger, 386. 



Flag, 338 ; garden, 299, Fig. 496 ; sweet , 328. 

 Flagella. 266. 

 Flax, 249, 250, 251, 271. 

 Fleabane, 442. 

 Fleur-de-lis, 338. 

 Flora: plant population of a country or 



plaic; also a book describing this popu- 

 lation, (355). 



Floral envelopes, 127. 



Florets: individual flowers of composites 



and grasses, (303), Figs. 255-258. 

 Floriculture, 250. 

 Flower, parts of, 127; -branches, 118; 



-bud, 39; -cluster, 118; -stem, 125. 

 Foliage, 2, 65, 95. 

 Follicle; dry, dehiscent pericarp opening 



on the front suture, (314). 

 Food elaboration, 82. 

 Food, reservoirs, 31; supply and variation, 



Forest, 256, Figs. 387-394, 398. 



Forget-me-not, 414. 



Formalin, 303. Formic acid, 271. 



Forms of plants, 64. 



Forsythia, 61, 420. 



Foul-gas, 83. 



Foxglove, 407. 



Fragaria, 387, Figs. 533, 534. 



Framework, 2, 67, Figs. 3, 4. 



Fraxinus, 421. 



Freesia, 339, Fig. 498. 



Free-swimming, 207. 



Fringe-tree, 421. 



Frog spittle, 185. 



Frond: leaf of fern, (345). 



Fruit-bud, 39, Figs. 61, 62, 70, 71. 



Fruits, 155. 



Fuchsia, 17, 397; and light, 43; bracts, 



Fig. 172; cuttings, 25, 26; flower, 128; 



Fig. 205; inflorescence, 119, Fig. 183; 



phyllotaxy, 48; water-pores, 299. 

 Fumariaceae, 363. 

 Fumitory, 364. 

 Function of leaves, 95. 

 Function: what a plant or a part does; 



its vital activities. 

 Fundamental tissue, 283. 

 Fungi, 91, 183, 1S7, 201, 203, 206, Figs. 



135, 137. 

 Funiculus, 171. 

 Funkia, 332, Figs. 491, 492. 

 Funnelform, 144, Fig. 240. 



Galanthus, 336, Fig. 495. 



Galium, 426; climbing, 112. 



Gall, 92. 



Gametophyte, 181, 201. 



Gamopetalae, 400. 



Gamopetalus: corolla of one piece, (267), 



Fig. 204. 

 Gamosepalous: calyx of one piece, (267), 



Fig. 204. 

 Gaultheria, 424. 

 Gaylussacia, 424. 

 Gemmae, 194. 

 Generation: period from birth to death, 



(8). 

 Gentian, 417; family, 417. Gentianacese, 



417. 



