604 



GEOLOGICAL SURVEY OF CANADA. 



PAGE. 



quadrivulnera, Dougl 1 73 



pallida, L 172 



parviflora, Pursh 171 



parvula, Nutt 173 



pusilla, MX 172 



pumila, L 172 



riparia, Hook 172 



rubicunda, Hook. & Am .173 



scapigera, Pursh 173 



serrulata, Nutt, var- Dotiglasii, 



T. &G 172 



strigulosa, T. & G 173 



triloba, Nutt 173 



vinosa, Torr. & Gr 173 



Oldenlandia ccerulea, Gr 200 



OLEACE^E (LXI) 316 



Omalanthus camphor atus, Less 254 



ONAGRACE^E (xxxviu) 168 



Onobrychis, Gsertn. . 511 " 



sativa, Lam 511 



Onopordon, Vaill , < 271 



acanthiuna, L 271 



Onosmodium, MX 342 



Carolinianum, DC 342, 569 



var. inolle, Gr 343 



hi,<*pidum. MX 343 



molle, MX 343 



Virginianum, DC 343, 569 



Oporinia autumnalis, Don 277 



Opuntia, Jour 177 



fragilis, 1 1 aw 532 



Missouriensis, DC 177 



Rafinesquii, Englm 177 



Oreas involucrata, Cham 55 



Oreophila myrtifolia, Nutt 95 



Origanum, L 383 



vulgare, L 383 



Ornithopus, L 507 



scorpioides, DC 507 



OROBANCHACE.S (LXXI) 372 



Orobanche Americana, L 373 



biflora, Nutt 372 



comosa, Hook 373 



fafidculata, Nutt 373 



glabra, Hook 374 



Ludoviciana, Nutt 373 



pinetorum, Geyer 373 



tuberosa, Hook 374 



uniflora, L 372 



Virginiana, L 374 



Orthocarpus, Nutt 366 



attenuates, Gr 366 



bracteosus, Benth 366 



luteus, Nutt < 366 



pusillns, Bentb 366 



strictus, Benth 366 



tennifolius, Benth 366 



Osmorrhiza, Raf 183 



brevistylis, DC 183 



PAGE. 



brevistylis, Bong 1 83, 534 



divaricata, Nutt -.- 183 



longistylis, DC 183, 534 



nuda, Torrey 183, 534 



Ostrya, 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 



pilosa, 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 293 



Oxyria, Hill 414 



digyna, Campdera 414 



reniformifi, Hook 414 



Oxytropis, DC 115 



arctica, R.Br 509 



arctica, R. Br 115 



var. inflata, Hook 115 



var. minor, Hook 509 



arqentata, Pursh 116 



borealis, DC 116, 510 



camp stris, L 116 



var. viscida, Wat 116, 510 



var. cserulea, Koch 509 



camprstris, UC 116, 509, 510 



deflexa, DC 117,510 



folioloxa, 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. arctpbia, Gray 509 



oxyphylla, Rich 1 16 



Flatttnsis, Nutt 116 



podocarpa, Gr 115, 509 



stricea, Nutt 116 



splendens, Dougl 116,510 



var. Richardsoni, Hook. ..116 

 Uralensis, DC., var. pumila, 



Ledeb 115 



Uralensis, DC., var. pum^la, 



Ledob....< 509 



viscida, Nutt 510 



viscida, Nutt 116 



