INDEX. 



817 



PAGE. 



Cyperus cylindricus, 255 



Cyperus dentatus, 251 



diandrus, 250 



dipsaciformis, 234 



erythrorhizos, 252 



esculentus, 252 



filiculmis 256 



flavescens 249 



grayii 255 



hystricinus 253 



lancastriensis, 253 



macilentus, 256 



microdontiis, 251 



nuttallii, 250 



ovularis, 254 



pseudovegetus 251 



retrofractus, 254 



rivularis, 250 



speciosus, 252 



strigosus, 253 



Cynoglossum, 658 



Cynthia, 719 



Cyperus, 24S 



Cypress, Bald, 151 



Cypripidium, 363 



Daisy, Ox-eye, 730 



Dalibarda, 481 



Dandelon, 718 



Dwarf, 719 



Danthonia, 231 



Darlington, Wm., 529 



Dasystoma, 684 



Datura, 674 



Decodon, 575 



Deerberry, 624 



Dendrium, 615 



Dentaria, 465 



Denstaedtia 136 



Deringa, 597 



Deschampsia, 229 



Dew Berry, 480 



Dianthera, 697 



Dianthus, 436 



Dichromena, 264 



Diervilla, 712 



Diodia, 703 



Dioscorea, 357 



Diospyros 634 



Diplachne 237 



Dirca, S74 



Distichlis, 239 



Dittany 671 



Doch, Bitter, 419 



Yellow, 419 



Swamp, 42 1 



Dock, Spatter, 444 



Dodder 634 



Doellingeria, 763 



Dog bane 645 



52 MUS 



, PAGE. 



Dog-toothed Violet, 346 



Dogwood 601 



Dondia, 432 



Draba, 462, 465 



Dropseed, 223 



Drosera, 468 



Drymocallis 481 



Dryopteris, 133 



Duckweed, 318 



Dulichium 256 



Dutchman's Breeches, 461 



Eatonia, 230 



Echium, 658 



Eel Grass, 166 



Elatine, 338 



Elder, 708 



Box, 545 



Marsh, 725 



Elm, Red, 413 



White, 412 



Eleocharis acicularis, 260 



engelmanni, 260 



glancescens, 260 



interstincta, 258 



melanocarpa 262 



obtusa 239 



ocreata, 259 



olivacea, 259 



palustris 260 



quadrangulata 258 



robbinsii, 258 



rostellata, 264 



tenuis 263 



torreyana, 261 



tortilis, 263 



tricostata, 262 



tuberculosa 261 



Eleocharis, 258 



Elymus, 243 



Epigaea, 619 



Epilobium, 382 



Equisetum, 138 



Eragrostis, 237 



Erechtites, 776 



Erianthus 181 



Erigeron, -jSz 



Eriocaulon, 323 



Eriophorum, 273 



Eryngium, 394 



Erythronium 346 



Eupatorium, 732 



ageratoides, 738 



album, 734 



aromaticum, 738 



coelestinum 738 



hyssopi folium, 735 



leucolepis, 734 



maculatum, 733 



perfoliatum, 737 



