452 



INDEX 



Ehrlich's Anilin Water Gentian Vio- 

 let, 226 



Elaeis guineensis, 300 

 Elastica, 355 

 Elaterinum, 401 

 Elettaria Cardamomum, 304 

 Elm Family, 319 

 Embryo, 121 

 Embryo-sac, 49, 55, 197 



maturation of, 55 

 Emulsin, 96 

 Endocarp, 202 

 Endodermis, 109, no 

 Endospores, 220, 221 

 Endosporium, 41 

 Endothecium, 191 

 Entada scandens, 207 

 Enzyme, 94 

 Enzymes, 94, 95 



classification of, 95, 96 

 Epicalyx, 185 

 Epicarp, 202 

 Epidermal, outgrowths, 108-109 



papillae, 108 



scales, 109 

 Epidermis, 106 

 Epiphegus, 5 

 Epithelium, 120 

 Equatorial plate, 73 

 Equisetineae, 289 

 Equisetum, 290 



arvense, 291 

 Ergot fungus, 265 

 Erica, 379 

 Ericaceae, 379 

 Ericales, 379 

 Erigeron canadensis, 407 

 Eriodictyon, 5 

 Eriodictyon californicum, 388 



trichomes of, 107 

 Eriogonum, 321 

 Erythraea Centaurium, 384 

 Erythronium Americanum, life history 

 of, 53-58 



Erythroxylaceae, 347 

 Erythroxylon Coca, 348 

 Eschscholtzia, 332 

 Etaerio, 210 

 Etiolin, 93 

 Etiology, 2 

 Eucalyptol, 375 

 Eucalyptus, 374, 375 



globulus, 373, 375 



lamina, 172 



photomicrograph of trans, sect, 

 leaf-blade, 173 



Kino, 375 



rostrata, 375 

 Endorina, 232 



Eugenia aroma tica, 374, 375 

 Eugenol, 375 

 Euonymus, 356 



Americanus, 356 



atropurpureus, 357 



Europaeus, 356 

 Euonymus N. F., 357 



Fig. of flowering and fruiting 

 branch, 357 



Fig. of bark in cross-section, 358 

 Eupatorium, 406 



perfoliatum, 406 

 Euphorbia, 355 



Pilulifera, 355 

 Euphorbiaceae, 355 

 Euphrasia, 392 

 Eurotium, 260 

 Exoascus, 251 

 Exobasidiales, 273 

 Exogonium Purga, 388 

 Exosporium, 41 

 Exothecium, 191 



Fabaceae, 341 

 Fagaceae, 316 

 Fagales, 316 

 Fagot Cassia, 332 

 Fagus grandifolia, 316 

 Families, naming of, 7 



