INDEX 



497 



Evolution of llowcr, 381, 388, 426 

 of Gymnospermae, 353 

 of Pteridophyta, 312, 319 

 of sex, 178, 180, 194, 198, 204, 



340 

 of sexuality, 171, 177, 181, 185, 

 204 



Excretion, 20, 22, 53 



Exoascales, 248 



Exoascus, 248 



Exobasidium, 472 



Eye spot, 175, 176 



Factor, hereditary, 138 



distribution of, 139 



dominant, 143 



nature of, 144 



recessive, 143 

 Fagales, 431, 432 

 Fagus, 434 

 Fairy rings, 259. 260 

 Family, 147 

 Farmer, 209 

 Fecundation, 122, 123 

 Felix, 328 



Fermentation, 157, 158, 249 

 Ferments, see enzymes. 

 Ferns, 311 



adder tongue, 314, 315 



Christmas, 311, 322 



common, 321 



flowering, 328 



grape, 315 



shield, 324, 325 

 Fertilization, 122, 123, 209, 276, 393 



significance of, 137, 144 

 Fertilizers, of soil. 66 

 Fibrillac, of spindle, 57, 58 

 Ficus, 435 

 Figwort, 478 

 Filament, 116, 165, 379 

 Filicales, 321 

 Flower, 338, 378, 381 



coloration of, 417, 423, 441, 480 



cyclic, 384, 385 



development of, 381 



perfect and imperfect, 382 



spiral, 383 

 32 



Flower, structure of, 115, 116 

 Foliar gaps, 314, 325 

 Follicle, 398 

 Food of plants, il, 48 



distribution of, 16 



storage of, 17, 18 

 Foods, formation of, 12 

 Foot, 286, 287 

 Formaldehyde, 13 

 Formative regions, 58, 60, 98, 99 

 Formic acid, 13, 40 

 Forsythia, 28, 20 

 Fragaria, 450 

 Fruit, 127, 374, 397-399 

 Fucus, 206, 207, 208, 209 

 Fumitory, 443 

 Funaria, 294. 300, 303, 307 

 Fungus, 216 



alga-like, 218 



basidia-forming, 251 



bird's nest, 267 



black, 239, 240 



blue-green, 240 



brown, 240 



coral, 264 



cup, 229 



fly, 227 



gill, 263, 265 



pore, 264, 265 



prickly, 264 



sac, 228 

 Funiculus, 118, 389, 395 



Gamctangium, 192, 196, 202, 203, 



208 

 Gamete, 118, 172, 178, 179, 187, 192, 



198, 200, 211, 275 

 Gamete, female, 118, 120, 178, 389 

 male, 118, 121, 122, 178, 318, 

 332, 342, 358, 392 

 Gametophyte generation, 136, 194, 

 215, 274, 276, 281, 310. 

 312, 316-317, 320, 330, 

 339. 345. 349. 388 

 reduction of, 313, 349-351- 

 359. 393 

 female, 119, 120, 332, 339, 349, 

 357, 367. 368, 388, 389 



