INDEX. 



783 



Dracopsis CASS 537 



DregeaE.andZ 390 



Drosanthe SPACH 362 



Drosera LINN 272 



Drosera americana WILLD 272 



anglica HUBS 272 



foliosa ELL 272 



Drosera intermedia DREV. and. 



HAYNE 272 



intermedia DREV. and 



HAYNE var. americana 



(WILLD.) 272 



linearis GOLD 272 



Drosera longifolia LINN 272 



longifolia MICHX 272 



Drosera rotundifolia LINN 273 



Droseraceae 271 



Drummondia DC 276 



Drupaceae LINDL 281 



Dryadanthe ENDL 293 



Dubrueilia GAUDICH 198 



Dubyaea DC 560 



Duchesnia SM 292 



Dufourea GREN 223 



Dufresnia DC 492 



Dulcamara MOENCH 458 



Dulia ADANS 405 



Dulichium PERS 90 



Dulicnium canadense PURSH . 90 



Dulichium spathaceus LINN 90 



Damreichera HOCHST 361 



Duretia GAUDICH 198 



cylindrica GAUDICH 199 



Dysmicodon NUTT 496 



californicum NUTT 496 



ovatum NUTT 496 



Dyssodia CAV 548 



Dyssodia chrysanthaemoides 



LAG 549 



fastigiata DC 549 



E 



Dyssodia papposa (VENT) 548 



Eatonia RAF 76 



obtusata ( MTCHX. ) 76 



pennsyluanica (DC. ) 76 



Echenais CASS 558 



Echinacea MOENCH 536 



angustifolia DC 539 



pallida NUTT 539 



sanguinea NUTT 539 



Echinocaulos HASSK 204 



Echinochloii BEAUV 49 



Echinocystis T. and G 493 



echinata BSP 494 



lobata T. and G 494 



Echinolytrum DESVX 103 



Echinomeria NUTT 539 



Echinopepon NAUD 493 



EcMaoschoenus NEES 104 



Echinosperrnum Sw 440 



deflexum LEHM 441 



patulum LEHM 441 



pilosum BUCKL 441 



Echinospermum redowskii var. 



occidentale WATS 441 



Echinospermum strictum TORR 441 



virginianum HITCH 440 



virginicum LEHM 440 



Echthronema HERB 161 



Edwardsia NECK 545 



Egeria PLANCH 45 



Ehretiaceae LINDL 436 



Ehrhartia WIGG 53 



clandestina WIGG 54 



Einomenia KLOTZSCH 201 



Elaeagnaceae 373 



Elaeagnus LINN 373 



Elaeagnus argentea NUTT 373 



Elaeagnus argentea PURSH 373 



Elaeagnus commutata BERNH 373 



Elaterium trifoliatum LINN. . 493 



Electra DC 543 



Electrosperma F. MULL 136 



Elephantodon SALISB 160 



Eleocharis see Heleocharis. 



Eleocharis cal va TORR 102 



costata PR 100 



diandra WRIGHT 102 



glaucescens R. AND S. . . 102 



1 eptophy lla SCHULT 99 



obtusa SCHULTES 102 



polycaula WEND 101 



uniglumis SCHULTES... 101 



Eleochy tris PENZL 390 



Eleogenus NEES 99 



ovatus NEES 102 



Eleogiton LINK 97 



Elisanthe FENZL 219 



Ellisia LINN 434 



ambigua NUTT 434 



nyctalea LINN 434 



Elmigera REICH 461 



Elodea L. C. RICH 45 



anadensis RICH and 



MICHX 46 



Elodea SPACH 362 



Elodes SPACH 362 



campanulata PURSH 364 



virginica NUTT 364 



Elymus LINN 87 



canadensis LINN 88 



canadensis var. glauci- 



folius TORR 88 



caninus LINN 85 



elymoides (RAF.) 87 



glaucifolius WILLD 88 



hystrix LINN 89 



philadelphicusLiNN 88 



sitanion R. and S 88 



striatus WILLD 88 



striatus var. villosus, 



GRAY 88 



villosus MUHL 88 



virginicus LINN 88 



Elytrigia DESVX 85 



Elytrospermum C. A. MEY 97 



Emilia CASS 554 



