INDEX 



1105 



Potent ilia 



pauciju^a 420 i 

 Pecten 414 

 pectinisecta 414, 



Jfl9 

 pennsylvanica 421 

 pentandra 413 

 perdissecta 416 

 pinna tisecta 419 

 plattensis 419 

 platyloba 421 

 propinqua 419 

 proxima 418 

 pseudosericea 420 

 pulcherrima 419 

 qiiinquefolia 417 

 rectilorrais 413 

 rivalis 412 



rubricaulis his 

 rubripes 41 8 

 rupiiicola 418 

 sabulosa 408 

 saximontana 418 

 strigosa 421 

 suhjuga 415 

 subquinata 417 

 tenerrima 41 7 

 unifloi-a 417 

 virgulata 420 

 viridcscens 415 

 vlridior 419 

 Vreelandii 415 

 War (Hi 419 



wyomingcnsis 420 

 Poteridium 428 

 Polerium 428 



Poverty Grass 40 

 Po^'ERTY Weed 243, 

 828 



Phairie Apples 492 

 Prairie Bean 456 

 Prairie Clover 484 

 PRAUiiE Mimosa 452 

 Prairie Piivk 1023 

 Prairie-rocket 342 

 Prairie 8tam 377 



Prcnantella 1023 

 Prenanthes 1024 



Prickly Poppy 317 

 Prickly Pear 575 

 Pride-of-the- 



MOL^TALN 763 



Primrose 647 



Evening 593 



Mountain 597 

 Spotted 599 



White Evening 

 594 



Primrose Family 



646 



Primula 647-8 



PRIMULACEAE 

 646 



Prince's Plume 30S 

 Prince's Pine 636 



Prion opsis 859 

 Prosartes 168-9 

 Prunella 745-6 

 Prunus 450-2, 452 

 Psathyrotes 975 

 Pscdera 556 

 Psoudocymopterus 



622-3,621,623,624 



Pseudoreoxis 621 

 Pseudopteryxia 623-4 

 Pseudotsuga 15 

 Psilocarphiis 913 



Psilostrophe 939 

 Psoralea 480-2 

 Ptelea 540 



PTERIDOPHYTA 

 1038 



Pteretis 1041 



Pieridium 1048 



Pteris 1047. 1048 



Pterophacos 507 



Pterospora 638-9 



Pterostegia 229 



Pteryxia 620-1 



Ptilocalais 1016 



Ptilonella 937 



Ptiloria 1017 



Puccinellia 84 



PuccooN 737 



Pulmonaria 7SS 

 Pulsatilla 288 



Pumpkin 822 

 Pltiple Cone- 

 flower 925 

 Purple Hair-grass 



49 



Purple Heather 



641 



Purple Marshlocks 



422 



Purple Easpberry 



438 

 Purple S.axifrace 



391 



Purple Virgin's 

 Bower 292 



Purshia 434 



Purslane 266 



Marsh 592 



Sea 201 

 PuRSLAN^E Family 



262 

 PUSSLEY 266 



Pussy-paws 266 

 Pussy Willow 195 



Putty-root 183 



Pycynosphace 747 

 Pyrola 636-7, 638 

 PYROLACEAE 635 

 Pyrrocoraa 861-3 



Pyrus 448 



Quake-grass 72 

 Quaker Bonnet 457 

 Quaking Aspen 186 

 Quaking Grass 72 



Quamasia 166 

 Quamoclidion 258 

 Quercus 199-202 



Quick-grass 92 



quillwort 1053 



Quillwort Family 



1053 

 Quincula 755 



Quitch-grass 92 

 Rabbit Brush 853 



Radicula 334-6 



Radish 345 



Rafincsquia 1018 



Ragweed 829 

 Ragweed F.\mily 



827 



Ragwort 982 



Ramiscliia 638 

 Ram's-head 177 



Ram's-iiead Ladies' 

 Slipper 177 



RANUNCULACE- 

 AE 285 



Ranunculus 294 

 aborthiis 299, 300 

 acriformis 300 

 acrls 301 

 adoneus 299 



afTinis 298 



alismaefolius 297 

 alismellus 297 

 alpeophilus 29S 

 Andersonii 302 

 apetalus 299 

 aquatilis 294 

 arcuatus 300 

 arrensis 302 

 Bolanderi 297 

 Bongardi 300 

 brericaulis 299 

 calthaefolius 297 

 cardiophyllus 298 

 circinatus 294 

 Cusickii 297 

 Cymbalaria 303 



delphinifolius 301 

 diqitatus 299 

 Douglasii 300 

 Drummondii 299 

 Earlei 300 

 ellipticus 298 



eremoqenes 300 

 Esch^^choltzii 299 

 eximius 298 

 Flammula 297 

 glaberrimus 298 

 Grayanus 294 

 Grayi 299 

 Greenei 300 

 Helleri 299 

 Hookeri 299 

 hyperboreus 302 

 inamoenus 298 

 inter textus 301 

 Jovis 299 

 lapponiciis 302 

 limosus 301 

 LyallH 300 

 MacCallae 300 



Macaulevi 297 

 Macouuii 301 

 micranthus 300 



microlonchus 207 

 micropetalus 298 

 montanensis 300 

 multindus 301 

 natans 302 

 Nelsonii 300 

 nivalis 297 

 NuUaUii 303 

 occidentalis 300 

 ocreatus 299 

 oreganus 300 

 oreoqenes 298 

 orthorhvnchus 301 

 ovalis 299 

 pedatifldus 299 

 pennsylvanicus 300 

 platyphyllus 301 

 Populai^o 297 

 Pursliii 301 

 pygmaeus 299 

 reptans 297 

 repens 301 

 rivularis 301 

 rhomboideus 299 

 Sahini 299 

 saxicola 298 

 sceieratus 300 

 stenolobus 299 

 Suksdorfii 298 

 tenellus 300 

 xmalaschensis 297 

 ungniculafus 297 

 utahensis 298 

 verlcundas 299 



Rape 346 



Raphauus 345 



Raspberry 435-S 

 Ratibida 927 

 Rattle, Yelt^w 801 

 Rattle-box 801 

 Rattle-pod 486 



Rattlesnake-Mas- 

 ter 609 



Rattlesnake Pl.\n- 

 tain 182 



Rattlesnake-root 



1024 



Rattle-weed 486 



Razoumofskva 817 



Red Cedar 17 

 Redfieldia 68 

 Red Fir 15 

 Red-head Louisa 



265 



Red Heather 641 

 Red Orpine 373 

 Red Raspbekuy 439 

 Red-top 53 

 Reed 66 

 Reed-grass 52. 5^, 



58 



Resin-weed S47 



RHAMNACEAE 



553 

 Rhamnus 553-4 

 Rhinanthus 801 

 Rhodiola 374 



R flODODENDRON, 



White 64o 



Rhus 550 

 Rkysoplerus 619 

 Ribes 397-9, 395-9 



RIBGRASS 805 



Rice, Jun'gle 38 



Mountain 45 

 Wild 45 



Rice Cut-grass 39 



Riddellia 939 

 Rigiopappus 944 



Ring Gr.\ss 49 

 Rrv'ER Alder 205 

 River Cottonwood 

 186 



Robinia 485 



Rock-brake 1048 

 Rock Cress 356 

 Rock Goldenrod 



872 



Rock Pine 12 

 Rock Rose 597 

 Rock-rose Family 



565 

 Rock Willow 198 

 Rocket. Dame's 344 



Garden 345 



Prairie 842 



Rocky Mountain 



Willow 199 

 Roman Wormwood 



829 

 Romanzoffia 709 

 Rosa 439 



acicularis 441 



aciculata 443, 445 

 alcea 441 



arkansana 441 



Bakeri 4^/5 



Bourgeauiana 442 

 californica -J-^-^ 

 chrysocarpa 444 

 coUaris 441 



deserta >^4^ 



Durandii 443 

 Engelniarmii 441 

 Fendleri 444 



fimbriatula 44-^ 



*• 



