INDEX. 



847 



Division of cells, 9 

 Division of labor, 83 

 Dogbanes, 333 

 Downy mildew, 153, 156 

 Drosera, 281 

 Droseracese, 335 

 Drupe, 316, 317 

 Duckweeds, 334 

 Dutch rush. 230 



Ear-fungi, 202 

 Earth-stars, 200 

 Ebenaceee, 332 

 Ebenales, 332 

 Ebonyworts, 332 

 Egg-cell, 353 

 Eloeagnacete, 338 

 Elaters, 307, 310, 211, 229 

 Elatinese, 330 

 Electricity, 100 

 Embryo-sac, 353 

 Embryo-sacs, 338, 342 

 Empetracese, 331 

 Endocarp, 314 



Endosperm, 839, 343, 356, 319 

 Endospores, 129 

 Energy, supply of, 106 

 Entomophilous flowers, 358 

 Entomophthora, 146, 148 

 Entomophthoracese; 146 

 EpacridesB, 333 

 Epidermal system, 39, 40 

 Epidermis 40 

 Epigynse, 335 

 Equisetaceae, 329 

 Equisetinae, 319, 327 

 Equisetum, 228, 229 

 Ergot, 182 

 Ericaceae, 332 

 Ericales, 333 

 Eriocauleae, 325 

 Erysimum, 319 

 Erysiphe, 175, 179 

 Euphorbiacese, 330 

 Eurotium, 177, 179 

 Evaporation of water, 100 

 Exocarp, 314 



Fennel, 316 

 Ferns, 219 

 Fernworts, 218 

 Fertilization, 339, 242 

 Fibrous tissue, 34 



Fibro-vascular bundles, 46 

 Fibro-vascular system, 39, 46 

 Ficoideae, 328 

 Figworts, 306, 333 

 Filices, 234 

 Filicinae, 319 

 Fissidens, 316 

 Fission algaa, 125 

 Fission of cells, 9 

 Flagellariete, 324 

 Flax, 289 

 Flaxworts, 339 

 Floral envelopes, 68 

 Florideae, 173 

 Flower. 302 

 Flower-axes, 68 

 Flowering-fern, 225 

 Flowering mallow, 353 

 Flowering Plants, 236 

 Flowers, 338, 249 

 Fly-fungus, 146, 148 

 Follicle, 316 

 Fomes, 303 

 Pontinalis, 317 

 Food-plants, 388 

 Forked dichotomy, 71 

 Forked monopodium, 73 

 Fossil Lycopods, 235 

 Four-o'clocks, 338 

 Frankeniaceae, 338 

 Fresh-water algae, 134 

 Fruit, 257, 314 

 Fruit-tangles, 167 

 Fucoideas, 163, 163 

 Fucus, 164, 166 

 Fuligo, 131, 132 

 Funaria, 317 



Fundamental system, 39, 57 

 Fusicladium, 198 



Galeworts, 338 

 Gall-fungi, 186 

 Gametes, 113, 133 

 Gametophore, 207, 332, 238 

 Gametophyte, 207 

 Gamopetala3, 278, 336 

 Gamopetalous flowers, 307 

 Gases, absorption of. 77 

 Gasteromyceteae, 199 

 Geaster, 300 

 Gemmae, 309 

 Generalized forms, 66 

 Generative nucleus, 351 



