INDEX. 



410 



PAGE 



Narthecium glutinomm, Mx 44 



pmdlum, Mx 43 



Nasturtium 30(1 



obtusum, Nutt 301 



palustre, DC. var 300 



Ni-illia (ipulifolia, Bentli. & Hook. 318 



Nemophila 343 



Menziesii, Hook. A Arn 343 



NtoUui cemua, Pursli 8 



pubescens, Pursh . .■ 9 



repens, Pursh !> 



Ni'phrodium aerosltchoides, Michx. . 277 



(ti>j]lenoides, Miclix -67 



liiUln/erum, Miolix 280 



/Thtotum, Michx 273 



hriioptms, Miclix 270 



Ftiix-fiiminti, Michx 267 



Filu--maJi, Rich 274 



fraj/rann, Rich 276 



GMitanum, Hook. iV: Grev. . . 273 



miiri/iniik, Michx 274 



puuclUolnUum, Michx 28.5 



riijitlnlum, Miclix 283 



r'Kjiilum, Desv 274 



njiiniilomm, Desv 275 



tmtu', IMichx 279 



TliclypUTis, Desv 272 



I'lirhiptcrukics, Michx 271 



Nuphsr." 300 



advena, Ait., var. niin'or, 



Morons 300 



Ivtcmii, Smith, var. (?) 300 



Nymi)h;rii 300 



odoriita, var. minor, Sims 300 



P!igm;m, Ait 300 



reiiiformis, DC 300 



tetrajrona, Georgi 300 



tiihromi, Paine 300 



Oakesia, Watson 36.') 



sessilii'olia, Wat 45, 365 



ffiuanthe i 327 



sarmentosa, Presl 327 



Oniphalotles, Tuurn 344 



nana, t'tray 344 



Onohrychis 317 



sativa. Lam :'.l 7 



Onodoa, Linn 281 



nodiUosu, Schk 281 



sensihilis, Ijinn 281 



Slrnthiopteris, Hofl'. 281 



Oi'nioiii.ossACEiK (cxx.) 253 



Ophioglossum, Linn 253 



vnlgatuni, Linn 253 



Ophryu ctrmm, Mx 8 



coraltorhiza, Mx 5 



cordata, Mx 6 



OjAismenus Cruf-galli, Kunth 177 



muricaliis, Kunth 1 77 



Orcuid.ace.e (cm.) 2 



Orchis, Linn 12 



P.4GE 



aristata, Fiaoh 12 



blqiliariglnUin, Pursh 19 



briirUtita, Pursh 14 



cilviri!!, I'ursli 18 



clurtlUiUi, Mx 13 



dilatata, I'ursh 15 



Jtvibriata, I'ursh 1!) 



fuscefcen/!, Pursh 13 



liumUi.i, Mx 12 



hyprrborea, Pursh 14 



incisa, Pursh 19 



laciTU, Mx 19 



lalifoUa, Linn 12 



kucoiilaia, Nutt 19 



obliu:ata, Pursh 1(> 



orbiciUala, Pursh IS 



pitycudeK, Pursh 19 



rotundifolia, Gray 12 



spectabilis, Linn 12 



Iridaihita, Pursh 13 



Orthocarpus 348 



cast! Ileioicles, P>enth 348 



tenvifolitix 348 



Oryzopsis, :\Iichx 192, 390 



a.si)enf'olia, Mx 192 



i:!>pmloUa, Kunth 193 



Canadensis, Torr 192 



cnspidata, I'.enth liK?, 390 



melanocarpa, .Mulil 193 



parvtjloTa, Nutt 192 



Osmorrhi/.a 327 



Occident aMs, Torr 327 



Osmunda, Linn 286 



cinnamouiea, Linn 286 



Clay toniana, Linn 286 



hitiirupta, Miclix 286 



rogalis, Linn 286 



vdT. upcvldbilif:, Milde..-. 286 



spccluMis, Willd 286 



Oxy coccus 338 



vulgaris, var. intermedium 



Gray 338 



Panicum, Linn 1 76, 389 



agrostoides, Spreng 176 



capiliare, Linn 177 



rtaiideftiiiuin, Hook 179 



Cnisgalli, Linn 177 



var. hispidum, Ell 177 



depauperatum, Muhl 177 



dichotoinuni, Linn 178 



var. nitidum. Lam 178 



var. pubescens. Gray.... 178 

 var. spltxrocarpon, Gray.. 179 



elongalum, Pursh 176 



glabrum, ' aud 178 



glauc.um, Linn 180 



iiivolvluniflL orr 177 



laiilnlium, Linn 179 



laxitlorum, Lam 179 



