604 



GEOLOGICAL SURVEY OF CANADA. 



PAGR 



quadriindnera, Dougl. 173 



pallida, L 172 



parviflora, Pursh 171 



parvxda, Nutt 173 



pudlla, 5Ix 172 



pumila, L 172 



riparia, Hook 172 



rubicunda, Hook. & Am 173 



scapigera, Pursh 173 



serrulata, Nutt, var- Douglasii, 



T.&G 172 



strigulosa, T. & G 1(3 



triloba, Nutt 173 



vinosa, Torr. & Gr 173 



Oldenlandia ccerviea, Gr 200 



OLBACEiE (lXi) 316 



Omalanthus camphoraius. Less 254 



Onageacb^ (xxxviii) 168 



Onobrvchis, Gsertn 511 



sativa. Lam 511 



Onopordon, Vaill 271 



acanthium, L 271 



Onosmoduim, Mx 342 



Carolinianum, DC 342, 569 



var. molle, Gr 343 



hvpidum. Mx 343 



molle, Mx 343 



Virginianum, DC 343,569 



Oporinia autumnaZis, Don 277 



Opuntia, Jour 177 



fragilis, I law 532 



Missouriensis, DC 177 



Eafinesquii, Englm 177 



Oreas in-volvcrata, Cham 55 



Oreophila myrtifulia, Nutt 95 



Origanum, L 383 



vulgare, L 883 



Omithopus, L 507 



scorpioides, DC 507 



Orobanchacbje (lxxi) 372 



Orobanche Americana, L 373 



biflora, Nutt \ 372 



comosa, Hook 373 



fasdculata, Nutt 373 



glabra. Hook 374 



Ludoviciana, Nutt 373 



pinetorum, Geyer 373 



tuberosa. Hook 374 



uniflora, L 372 



Virginiana, L 374 



Orthocarpus, Nutt 866 



attenuatus, Gr 366 



bracteosus, Benth 366 



luteus, Nutt 366 



pusiUus, Benth 366 



strietiis, Benth 366 



tenuifolius, Benth 366 



Osmorrhiza, Raf 183 



brevistylis, DC 183 



PAGa 



brevistylis, Bong 1 83, 534 



divaricata, Nutt ■ 183 



longistylis, DC 183, 534 



nuda, Torrey 183, 534 



Ostrva, Scop 439 



Virginica, Willd 439 



Oxalis, L 92 



Acetosella, L 92 



Acetosella, Hook 92 



corniculata, L 92, 503 



var. stricta, Sav 92, 503 



Dillenii, Jacq 92 



Lyoni, Pursh 92 



Oregana, Nutt 92 



pilom, Nutt 92 



pumila, Nutt 92 



stricta, L 92 



Oxybaphus, Vahl 395 



angustifolius. Sweet 395 



hirsutus, Sweet 395 



nyctagineus, Sweet 395 



Oxycoccus, Pers 293 



macrocarpus, Pursh 293 



vulgaris, Pursh 298 



Oxyria, Hill 414 



digyna, Campdera 414 



reniformia. Hook 414 



Oxytropis, DC 115 



arctica, RBr 509 



arctica, R. Br 115 



var. inflata, Hook 115 



var. minor. Hook 509 



argentata, Pursh 116 



borealis, DC 116, 510 



camppstris, L 116 



var. viscida, Wat 116,510 



var. cserulea, Koch 509 



campestris, DC 116, 509, 510 



deflexa, DC 117,510 



foliohsa, Hook 117 



Hookeriana, Nutt 116 



Lamberti, Pursh 116, 509 



Lamberti, Pursh 510 



leucantha, Pers 509, 510 



Mertensiana, Turcz 510 



monticola 509, 510 



nana, Nutt 116 



nigrescens, Fisch 116, 509 



var. arctobia, Gray 509 



oxyphylla, Rich 116 



Platttnsis, Nutt 116 



podocarpa, Gr 115, 509 



sericea, Nutt 116 



splendens, Dougl 116, 510 



var. Richardsoni, Hook. . .116 

 Uralensis, DC, var. pumila, 



Ledeb 115 



Uralensis, DC, var. pumila, 



Ledeb 509 



viscida, Nutt 510 



viscida, Nutt 116 



