390 
Ephebaceae, 340 
Ephebe, 216 
Ephedra, 275, 355 
Ephedraceae, 355 
Ephemeral Mosses, 252/ 
Ephemerum, 252, 350 
Epicoccum, 348 
Epidermal System, 47 
Epidermis, 48 
Epigloea, 342 
Epigloeaceae, 342 
Epilobium, 370 
Epiplasm, 24 
‘Equisetaceae, 263, 353 
Equisetales, 353 
Equisetineae, 262, 353 
Equisetum, 262, 353 
Eremascus, 341 
Ergot, 220 
Erica, 365 
Ericaceae, 365 
Ericales, 365 
Erigeron, 376 
Eriocaulonaceae, 358 
Eriogonum, 365 
Erodium, 362 
Erpodiaceae, 351 
Erysiphaceae, 220, 344 
Erysiphe, 220, 225, 344 
Erythronium, 300, 357 
Erythroxylaceae, 363 
Eschscholtzia, 364 
Ethyl alcohol, 141 
Euastrum, 179 
Eubacteria, 331 
Eucalyptol, 144 
Eucalyptus, 370 
oil, 144 
Eucomiaceae, 369 
Eucryphiaceae, 363 
Eugenia, 370 
Euodiaceae, 334 
Eupatoriaceae, 376 
Eupatorium, 376 
Euphorbia, 322, 363 
Euphorbiaceae, 363 
Eupodiscaceae, 334 
Eupodiscales, 181, 333 
Eupodiscus, 334 
Eusporangiatae, 257, 352 
Eustoma, 366 
INDEX 
Evaporation of water, 74, 75 
Evening Primrose, 309, 370 
Everlastings, 375 
' Evolution, 160 
of Anthophyta, 316 
Evolvulus, 366 
Excipula, 348 
Excipulaceae, 348 
Exidia, 346 
Exoascaceae, 341 
Exoascales, 218, 341 
Exoascus, 218, 341 
Exobasidiaceae, 346 
Exobasidiales, 231, 346 
F 
Fabaceae, 368 
Fabroniaceae, 351 
Fagaceae, 372 
Fagopyrum, 365 
Fagus, 372 
False Hemlocks, 281 
Sunflowers, 375 
tissues, 28 
Tubers, 227, 344 
Families, 159 
Fats, 14, 142 
Fatty oils, 142 
Fermentation, 223 
Ferns, 254 
Fertilization of the egg, 273 
Ferula, 372 
Fescue Grasses, 359 
Festuceae, 359 
Fibrous tissue, 33 
Fibrovascular system, 47 
Ficus, 362 
Figs, 362 
Filament, 292 : 
Filicales, 258, 352 
Filix, 259 
Filmy Ferns, 258, 352 
Firs, 281 
First stomata, 245 
Fissidentaceae, 350 
Fission, 20 
Flacourtiaceae, 362 
Flagella, 118 
Flagellariaceae, 358 
Flagellata, 172 
