INDEX. 



729 



Entomophthorales, 215 



Enzyme, 92, 98, 116, 117 



Epidermal system, 358 



Epidermis, 358, 359, 363 



Epigaea repens, 709 



Epigynous, 425 



Epilobium^ 708 



Epinastic (ep-i-nts'tic), 129 



Epi nasty (ep'i-nas ty), 129 



Epipactis, 444, 447, 665 



Epiphegus, 84 



Epiphytes, 416, 544, 621 



Equisetales, 296 



Equisetineae, 296 



Equisetum, 280-283 



Ericaceae, 709 



Ericales, 709 



Erythronium, 649, 654, 703 



Etiolated plants (e'ti-o-la"ted), 68 



Euascomycetes, 217 



Eubasidiomycetes, 219 



Eupatorium, 403, 712 



Euphorbia polygonifolia, 590, 592 



Euphorbiaceae, 707 



Eurotia lanata, 572 



Eurotium oryzae, 78 



Evening primrose family, 689-708 



Exalbuminous, 108 



Exoascus, 217 



Exobasidiales, 219 



Exocarp, 450 



Facies, 525 



Fagales, 669, 704 



Fehling's solution, 75, 76, 712 



Ferment, 98, 108, 116 



Fern, "walking," 508, 509 



Ferns, 251-279, 292, 457; classifica- 

 tion of, 295; of rocky places, 601 



Fertilization, 307, 308, 328, 329, 140, 

 _i45, 169, 172, 174, 197, 421 



Fibrovascular bundles, 49-54 



Figwort family, 696, 710 



Filicales, 295 



Filicineae, 295 



Fittonia, 404 



Flagellates, 83, 165 



Flax, 707 



Flora, 497 



Flower cluster, 419 



Flower, form of, 422; parts of, 419; 

 union of parts, 424 



Flowers, arrangements of, 426; kinds 

 of, 421 



Follicle, 453 



Fontinalis, 626, 627 



Forest, 516; enemies of, 552; forma- 

 tions, 560; longevity of, 531; pro- 

 tection, 551; regeneration, 548- 

 552; societies, 529-555; structure 



of > 53 1 



Forests, relation to rainfall, 546 



Formations, aquatic, 625-629; study 

 of, 630-647 



Fragaria vesca, 680 



Fraxinus americana, 602 



Freezing, 470 



Fresh-water societies, 624 



Frond, 352 



Fruit, 45-45 7 507; Parts of, 450 



Frullania, 25, 236 



Fucus, 168-170, 622 



Fungi, 653; absorption by, 22; classi- 

 fication of, 213-222; nutrition of, 

 86-90; respiration in, 115 



Gametangium (gam // et-an'gi-um), 



140 



Gamete (gam'ete), 138, 139 

 Gametophore (gam'et-o-phore), 230, 



248 

 Gametophyte (gam'et--o-phyte), 225, 



226, 244, 245, 250, 262, 270, 283, 



292, 294, 305, 314, 317, 336-339, 



340-348, 434 

 Gamopetalous (gam"o-pet'a-lous), 



424 

 Gamosepalous (gam-o-sep'a-lous), 



424 



Gas in plants, 60-64 

 Gasteromycetes, 219 

 Gemmae, 179, 235 

 General formations, 526 

 Gentian, 710 

 Geotropism (ge-ot'ro-pism), 125- 



127, 410 



Geraniaceae, 677, 707 

 Geraniales, 676, 707 

 Geranium family, 677, 707 

 Germ, 459 

 Gigartinales, 175 

 Gingko, 3i3-3i5> 457 

 Gingkoales, 316 

 Ginseng, 708 



Glaciers, influence of, 510 511 

 Glass wort, 563, 705 

 Gleicheniaceae, 295 

 i Glucose, 108. See sugar. 



