INDEX. 



557 



Paso. 



Ophrys monophyllos - . ii. 2G8 



Oplisiiitnus ii. 424 



Crus-galli 424 



mnricalus 424 



Opu.n'tia i. 245 



vulgaris 245 



Orach ii. 137 



Orange-root i. 26 



Orchard Grass ii. 466 



ORCHIDACEiE... ii. 266 

 Orchidocarpum arieti7ium,i.^0 



Orchis ii. 272 



bidentala 275 



blephariglollis. 277 



bracleala 275 



ciliaris 277 



clavellata 273 



fimhriala 278 



fisia 278 



Jlava 275 



fuscescens 275 



herbiola 275 



humilis 273 



Huronensis 276 



hyperborea 276 



lacera 278 



obtusata 274 



orbiculata 274 



physodes 278 



psy codes 278 



spectabilis 272 



irideiitala 273 



virescens 275 



Orchis Tribe _. ii. 266 



Origanum ii. 64 



incanum . 61 



vulgare 64 



Ornithogalum ii. 307 



umbellatum 307 



OROBANGHACE^.ii. 22 



Orobanche ii. 22 



Americana 22 



bijlnra 23 



uniflora 23 



Virginiana 24 



[Flora — Vol. 2.] 



Pngc. 



Orontium ii. 243 



aqualicuin 243 



Orpine i. 252 



Oryzopsis ii. 431 



asperifolia 432 



Canadensis 433 



melanocarpa . . 432 



parviflora 433 



Osier ii. 204 



OsMORlllZA i. 281 



brevistylis 262 



longislylis 281 



OsjinNDA ii. 503 



cinnamomea . . 503 



Ciaytoniana . . 503 



iiUerriipta 503 



regalis 504 



spectabilis 504 



Slruthiopleris . 486 



Virginica 506 



Ostrich Fern ii. 486 



Ostrva ii. 184 



Virginica 185 



vulgaris 185 



Oswego Tea ii. 58 



OXALIDACE^ ... i. 122 



GxALis i. 122 



Acetosella 122 



Americanum . . 122 



Di/lenii - 123 



recurim 123 



stricta 123 



violacea 123 



Oxeyc i. 378 



Oxeye Daisy i. 392 



Oxycoccus i. 447 



hispidulus 450 



m'lcrocarpus . . 447 



paluslris 447 



vulgaris 447 



Oxylripolium i. 349 



P.5;derota ii. 44 



Virginica 44 



Painted-cup ii, 48 



Panic-grass ii. 423 



74 



P«ge. 



Panax i. 286 



quinquefoiium . 286 



trifolium 287 



Panicum ii. 423 



agrostidiforme, 429 



agrostoides 429 



barbulalum 428 



capillarc 426 



ciandeslinum . . 426 



Crus-galli 424 



debile 428 



depauperatum . 427 

 dichotomijlorum, 429 



dichotomum 427 



elongatum 429 



iiliforme 424 



geniculaium . . 429 



glabrum 423 



glaucum 430 



hispidum 424 



iiivolutum 427 



laliroliiim 425 



microcarpon . . 428 



miliaceum 429 



mvrialum 424 



nitidum 427 



pedu/iculatum . 426 



proliftrum 429 



ramulosum 428 



reclam 427 



sanguinale 423 



slrigosum 427 



verrucosum 428 



virgatum 425 



viride 430 



Walleri 424, 425 



xanthophysum. 426 



PAPAVERACEiE . i. 43 



Papaw i. 30 



Pappoosc-root i, 33 



Parietaria ii. 224 



Americana 224 



Pcnnsylvanica. 224 



Parnassia i. 83 



Americana 83 



