Diatrypaceae, 343 
Dicaeoma, 347 
Dichaenaceae, 343 
Dichapetalaceae, 363 
Dichomyces, 339 
Dicksonia, 352 
Diclinous, 296 
Dicotyledoneae, 294, 301, 361 
-Axiflorae, 361 
-Calyciflorae, 367 
Dicotyledons, 301, 361 
Dicranaceae, 252, 349 
Dictyophora, 345 
Dictyosiphonaceae, 337 
Dictyota, 337 
Dictyotaceae, 337 
Dictyotineae, 337 
Digitalis, 306 
Dilleniaceae, 362 
Dimorphism, 323 
Dioecious, 273 
Dioon, 355 
Dioscoreaceae, 360 
Diphtheria bacteria, 169 
Diploid, 24, 110 
Diploschistaceae, 340 
Dipsacaceae, 373 
Dipterocarpaceae, 363 
Dirinaceae, 342 
Disaccharids, 146 
Disceliaceae, 350 
Discella, 348 
Discolichenes, 214, 340 
Diseases of Plants, 133 
Dise Algae, 174 
flowers, 312 
Lichens, 214, 340 
Division of cells, 19 
Dodder, 320, 321 
Dodecatheon, 365 
Dogwood, 322 
Dothidia, 343 
Dothidiaceae, 343 
Downy Mildews, 187, 335 
Draparnaldia, 173, 332 
Drepanophyllaceae, 350 
Droseraceae, 369 
Duchesnea, 291 
Duckweeds, 358 
Dulcite, 142 
Dumontiaciae, 338 
INDEX 389 
Durvillaea, 337 
Durvillaeaceae, 337 
Dutch Rush, 264 
Dwarf males, 174 
E 
Ears, 298 
Ear Fungi, 230, 346 
Earth Stars, 231 
Ebenaceae, 366 
Ebenales, 365 
Echinocactus, 370 
Ectocarpaceae, 337 
Ectocarpales, 337 
Ectocarpus, 200, 337 
Ectolechiaceae, 340 
Egg, 110, 174 
Egregia, 201, 337 
Elachistaceae, 337 
Elaeagnaceae, 371 
Elaeocarpaceae, 362 
Elaphomycetaceae, 34 
Elaters, 245, 263 
Elatinaceae, 364 
Elder, 315 
Elephantopus, 376 
Elms, 362 
Embryo, 280 
Emergencies, 51 
Empetraceae, 371 
Emulsin, 153 
Encalypta, 350 
Encoeliaceae, 337 
Endocarpon, 218 
Endomyces, 341 
Endomycetaceae, 341 
Endosperm, 274, 284, 288 
nucleus, 288 
Endospores, 166 
Energy, 90 
supply of, 91 
Enteromorpha, 174, 332 
Entodontaceae, 351 
Entomophilous, 321 
Entomophily, 323 
Entomophthora, 191, 336 
Entomophthoraceae, 191, 336 
Entomophthorales, 336 
Entyloma, 347 
Enzymes, 152 
Epacridaceae, 365 
