544 



INDEX. 



Page. 



Dielylra i. 45 



Digitaria filiformis . ii. 424 



glabra 423 



humifusa 423 



Ischasmum 423 



sanguinalis 423 



Dilepyrum arislosum . ii. 443 

 minutiflorum - - 435 



DioscoRE.4 . ii. 292 



paiiiculata . 293 



villosa 293 



DIOSCOREACEiE . ii. 292 



DiospYRus ii. G 



Virginiana 6 



DiPLACHNE ii. 472 



fascicularis 472 



Diplasium ihchjpteroides, 



ii. 493 



Diplocera barbata ii. 455 



DiPLoPAPPUs .- i. 350 



albus 349 



amygdalinus . 352 



cornifolius 351 



linariifolius 351 



Marianus 3G8 



rigidus 351 



umbellatus 352 



Diplostepkium acuminatum, 



i. 348 



cornifolium 35 1 



linariifoVmm .. 351 



umbeJlatum 352 



DIPSACEiE i. 320 



DiPSAcus i. 320 



sylvcstris 320 



DiRCA ii. 1G3 



palustris 1G3 



DlSCOPLEURA. - i. 2G5 



capillacea 26G 



Ditch-grass. ii. 252 



Dittany. ii. 65 



Dock ii. 154 



Dodder ii. 98 



Dodder Tribe ii. 98 



Dadingeria i. 349 



Page. 



Dalingeria cornifolia. i. 351 

 ptar?nicoides . . 349 



umbellata 352 



Dogbane Tribe ii. 116 



Dogsbane ii. 116 



Dogstail Grass ii. 44 1 



Dogstooth Violet ii. 306 



Dogwood i. 288 



Dogwood Tribe i. 288 



Dolichos angulosus .. i. 160 



polyslachya 160 



DooDiA ii. 489 



Virginica 489 



Doorweed ii. 152 



Draba i. 62 



arabisccns 62 



Caroliniana 62 



hispidula 62 



iticana 62 



verna . 63 



Dracama borealis ii. 300 



Dracocephalum ii. 75 



dent/culaium . - 76 



parviflorum 75 



Virginianum. . 76 

 Dracontium fatidum . ii. 243 



Dragon's-head ii. 75 



Drepanospron i. 160 



Dropseed Grass ii. 435 



Drosera i. 81 



Americana 82 



filiformis 82 



foliosa 82 



intermedia 82 



longifolia 82 



rotundifolia 81 



tenuifolia 82 



DR0SERACEJ5;... i. 81 



Duckmeat ii. 245 



Duckweed ii 245 



DuLicHiuM ii. 337 



Catiadense 337 



spathaceum 337 



Dutch Myrtle ii. 196 



Dutchman's Breeches . i. 45 



Page. 



Dwarf Dandelion i. 309 



Dwarf Laurel. i.441 



Dwarf Risk i. 315 



EBENACE.E ii. 5 



Ebony Tribe ii. 5 



Echinochloa ii. 424 



ECHINOCYSTIS i. 250 



lobata... 250 



ECHINOSPERMUM ji. 90 



Lappula 90 



Virginicum 90 



EcHiuM ii. 84 



vulgare 84 



Eel-grass ii. 251, 265 



Eglantine.. i. 220 



ELATINACE^... i. 91 



Elatine i. 91 



Americana 91 



minima 91 



Elder i. 302 



ELEAGNACE^ .. ii. 164 



Elecampane i. 370 



Eleocharis . ii. 346 



acicularis 349 



caspitosa 351 



intermedia 347 



melanocarpa . . 520 



obtusa 348 



olivacea 347 



palustris 34G 



jilanifolia 351 



pygmaea 350 



rostcllata 347 



tenuis 349 



tuberculosa 348 



Eleusine ii. 447 



Iiidica 447 



Elm ii. 165 



Elm Tribe ii. 165 



Elodea i. 90 



campanulala . . 90 



Canadensis ii. 264 



Drummondii . i. 90 



Traseri 90 



Virginica 90 



