XII 



INDEX. 



Compositae 419 



Conringia 348 



Con volvulaceae 396 



Convolvulus 396 



Corallorhiza 315 



Coralroot 315 



Corn 280 



Cornaceae 387 



Cornus 387 



Corpse-plant 389 



Corydalis 344 



Cotton 376 



Cottongrass 295 



Cottonweed 379 



Cottonwood, black 318 



Cow parsnip 386 



Cow-wheat 410 



Cranberry, highbush 412 



Crane's-bill 374 



Crassulaceae 352 



Crataegus 366 



Creeping cedar 277 



spurge 374 



wintergreen 391 



Crepis 417 



Crested shieldf ern 268 



Crvciferac 344 



CrjT)tantha 400 



Cryptogramma 265 



Cudweed 430 



Currant, spiny 357 



sticky 357 



Cyclachaena 430 



Cyperaceae 294 



Ct/stopteris ^ 268 



Cy therea 316 



Daffodil 308 



Daisy fleabane 427 



ox-eye 432 



Dandelion 416 



false 415 



Danthonia 287 



Dasiphora 360 



Dasy Stephana 394 



Death camas 310 



Deerbrush 376 



Delphinium 339 



Deschampsia 286 



Devil's-club 383 



Dill 383 



Diplotaxis 347 



Disporum 313 



Distcgia 413 



Distichlis 288 



Dock 329 



bitter 329 



golden 329 



mountain 330 



pale 329 



sour 4 330 



yellow 329 



Dodecatheon 393 



Dogbane 395 



family 395 



Dog-tooth violet 311 



Dogwood family 387 



flowering 388 



red-osier 387 



Dondia 331 



Double bladderpod 346 



Douglas fir 276 



spruce 276 



Draba 349 



Dragonhead 402 



Drosera 352 



Droseraceae 352 



Dryad 362 



Dryas 362 



Drymocallis 362 



Dryopteris 267 



Duckweed 304 



Dulichium 295 



Eehinopanax 383 



Edelweiss 430 



Elaeagnaceae 378 



Elaeagnus 378 



Elderberry 412 



Eleocharis 295 



Elephantella 410 



Elephanthead 409 



Elrod. M. J 252 



Elymus 294 



Emery, Roe 253 



Enchanter's nightshade 379 



Engelmann spruce 275 



Epilobium 379 



Epipndis 316 



Equisetaceae 268 



Equisetum 268 



Erica 391 



Ericaceae 390 



Erigeron 425 



Eriogonum 326 



Eriophorum 295 



Eritrichum 400 



Erxlebena 389 



Erysimum 348 



Erythronium 311 



Eucephalus 42S 



Euphorbia 374 



Euphorbiaceae 374 



Evening-primrose 382 



family 378 



prairie 381 



Everlasting, pearly 429' 



Fabaceae 367 



Fairy bells 313 



False dandelion 415 



flax 346 



hellebore 310 



Fanweed 345 



Fatsia 383 



Fern, bristle 267 



brittle 268 



holly 267 



lace 266 



male 26& 



oak 267 



parsley 265 



pod 265 



wood . 268 



Fescue 291 



Festuca 291 



Fiddleneck 400 



Figwort family 403- 



