INDEX 



1103 



Paspalum 35 

 Pasque-flower 288 

 Pastinaca 632 

 Patience 232 

 Palrinia 820 

 Pea, Golden 456 



Partridge 453 



Sensitive 453 



Yellow 456 



Wild 525 

 Pe\ Family 454 

 Peas, Buffalo 492 



Turkey 611 

 Peach-leaatid Wil- 



IX)W 191 



Pear, Prickly 575 

 Pearl Barley 96 

 Pearlwort 278 

 Pearly Everl.\st- 



ING 921 

 Pectianthia 379 

 Pectis 958 

 Pectocarva 713 

 Pedicularis 798-801 

 Pediocactus 580 

 Pelican Flower 796 

 Pellaea 1048 

 Pellitory 210 

 Penny Cress 328 

 Penny-grass 328 

 Pennyroyal, Mock 

 749 

 Western 750 

 Pentstemon 763 

 acuminatus 770 

 albertinus 773 

 albidus 772 

 alpinus 769 

 ambisuus 774 

 angustifolius 771 

 arenicola 770 

 aridus 773 

 attenuatus 773 

 auricomus 771 

 azureus 776 

 Bakeri 772 

 barbatus 777 

 Bradburyi 770 

 Brandegei 769 

 brevifolius 773 

 Bridgesii 777 

 caespitosus 775 

 caudatus 771 

 Cleburnei 771 

 cocci natus 776 

 coeruleus 771 

 coUinus 77k 

 coloradensis 775 

 comarrhenus 768 

 confertus 772 

 confiisus 777" 

 Crandallii 775 

 crassifolius 768 

 cristatus 771 

 Cusickii 776 

 cyananthus 769 

 cyanocaulis 769 

 cyathophorus 770 

 deustus 772 

 diffusus 776 

 diphyllus 776 

 Eastwoodiae 777 

 Eatonii 776 

 ellipticus 768 

 Erianthera 771 

 eriantherus 769 

 erosus 772 

 exilifolius 774 

 Fendleri 770 

 Fremontii 769 



fruticosus 768 

 Gairdneri 77^ 

 glaber 769 

 glandulosus 775 

 olaucus 771 

 Gordnni 769 

 gracilis 774 

 grandiflonis 770 

 Oriffini 77!f 

 Hailii 770 

 Harbourii 772 

 Haydenii 771 

 heternphi/llua 776 

 humilis 774 

 humilis 77."! 

 Jamesii 771 

 Kingii 776 

 lacrrcllus 772 

 laricifolius 774 

 latifolius 776 

 latiusculus 772 

 laxus 772 

 Leonardii 776 

 leptophyllus 773 

 linearifolius 768 

 linarioidfs 77^-5 

 Lyallii 768 

 MachridPi 776 

 Menziesii 768 

 micranthiis 772 

 minidocanus 769 

 Moffattii 771 

 montanus 768 

 nitidus 770 

 oliganthus 774 

 oregonus 774 

 oreopMlus 769 

 ovatus 773 

 Oweni 77Jf 

 pachyphyllus 770 

 Palmeri 770 

 payetensis 769 

 perpiilcher 769 

 petiolatus 777 

 pinetorum 773 

 phlngifolius 772 

 platyphyllus 776 

 procerus 772 

 procumbens ~7.5 

 puberulentiLS 774 

 pumihis 772, 77S 

 pseudohumilis 774, 



771 

 pseudoprocerus 773 

 radicosus 774 

 Rex 769 



Richardsonii 775 

 riparius 769 

 Rydbergii 772 

 saliens 771 

 Scoulcri 768 

 secundiflorus 770, 



769 

 sepalulus 776 

 speciosus 769 

 stenosepalus 771 

 strictiformis 768 

 strictiis 768 

 subglaber 769 

 suflrutescens 775 

 teucrioides 775 

 Thompsoniae 775 

 Thurberi 774 

 Torreyi 777 

 trichander 777 

 triphyllus 776 

 Tweedyi 777 

 imilateralls 769 

 utahensis 777, 769 

 venustus 775 



veronicaefolius 773 



virens 773 



Wardii 769 



Watsonii 772 



Wilcoxii 773 



xylus 775 

 Pentstemonopsis 777 

 Pepper, Water 235, 



237 

 Peppermint 752 

 Peppergrass 324 

 Peramium 182 

 Peraphyllum 448 

 Pericome 940 

 Peritoma 371 

 Persicaria 235-7 

 Petalonyx 574 

 Petalostemon 484—5 

 Petasites 974 

 Peteria 485-6 

 Petradoria 871 

 Petrophytum 404 

 Peucedanum 62'f-9 

 Phaeostoma 593 

 Phaca 486 



allochroa 487 



americana 487 



ampularia 487 



annua 490 



argophylla 



artemisiarum 490 



artipes 488 



Beckwithii 490 



Bodinii 489 



caespitosa 517 



CandoIIeana 489 



cerussata 489 



Cusickii 488 



Eastwoodiae 488 



eiatiocarpa 490 



elegans 508 



elonqata 515 



Fendleri 515 



glabriuscula 508 



Hookeriana 488 



hurailluna 490 



inepta Jt91 



jejuna 490 



leptalea 489 



longifolia 488 



lotiflora 490 



lutosa 488 



megacarpa 488 



microcystis 489 



paxiciflora Jf89 



picta 488 



pubentisslma 490 



pygmaea 505 



sabulonum 490 



sesquiflora 491 



sericea 517 



serpens 489 



Silerana 489 



subcinerea 489 



Wardii 488 



WetherilUi 487 

 Phacopsis 500 

 Phacelia 702 



afflnls 707 



alba 705 



alplna 704 



bicolor 707 



biennis 704 



Burkei 704 



campestris 707 



cephalotes 706 



ciliosa 706 



corrugata 705 



crenulata 705 



curvipes 707 



demissa 706 

 denticulata 705 

 deserta 705 

 firm o marginata 



706 

 foetid a 70k 

 foliosepala 706 

 Franklin ii 706 

 Fremontii 707 

 glandulifera 707 

 glandulosa 705 

 glechomaefolia 707 

 hastala 70h 

 heteropliylla 704 

 hispida 705 

 humilis 704 

 idahoensis 706 

 incana 707 

 integrifolia 704 

 Ivesiana 707 

 Knightii 706 

 leptosepala 704 

 leucophylla 703 

 linearis 706 

 luteopitrpurea 707 

 Lyallii 706 

 Menziesii 706 

 minutissima 706 

 neomexicana 705 

 nervosa 704 

 nudicauUs 707 

 orbiciilaris 704 

 Palmeri 704 

 pulchella 707 

 ramosissima 705 

 Rattani 706 

 rotimdifolia 707 

 sericea 706 

 splendens 705 

 Phalaris 40 

 Phaseolus 529 

 Pheoopteris lOhS 

 Pheilopterus 619 

 Philadelplms 392-3 

 Philibertella 670 

 Philibertia 670 

 Philotria 29 

 Philozera 955 

 Phippsia 50 

 PMeum 49 

 Phlox 683-7 



Yellow 342 

 Phlox Family 679 

 Phoenocaulis 363 

 Phoradendron 816 

 Phragmites 66 

 Phyla 740-1 

 PhyUodoce 640-1 

 Phvmosia 561-2 

 Physalis 753^, 755 

 Physaria 330-1 

 Physocarpus kOl 

 Physostegia 7\6 

 Picea 16 

 Pickerel- WEED 



Family 145 

 Picradenia 952-6 

 Picradeniopsis 940 

 Picrothamnus 961 

 Pigweed 239, 253-4 

 Strawberry 242 

 Winged 243 

 Pilosella 3J,l-2 

 Pimpernel 651 

 False 652 

 Water 655 

 PINACEAE 11 

 Pin Clover 533 

 Pineapple-weed 959 

 Pine-drops 638 



