298 



INDEX 



[446 



References to the Flora are in brackets 



219 

 117 

 117 



PlNGUICULACEAE 



Pink, Drummond's 



PINK FAMILY 



Pinus [53 



contorta Murrayana. . . [53], [103 



flexilis 53 



Murrayana 24,25,31, 53 



ponderosa scopulorum 53 



scopulorum 20,24,25,31,[53], [103 



Piperia 96 



Unalaschensis 2, 25, 96 



Piper's orchis 96 



Alaskan 96 



Pipsissewa [185 



umbellate [185 



Plains flora 9, 10 



PLANTAGINACEAE 219 



PLANTAGINALES 219 



Plantago 219 



lanceolata 45, 219 



major 45, 219 



Patagonicagnaphalioides.. . . 219 

 Purshii 16, 219 



Plantain 219 



common 219 



English 219 



mud [88 



Pursh's [219 



rattlesnake [97 



PLANTAIN FAMILY. 



Pleurogyne 



fontana 34, 



rotata tenuifolia 



Pleurogyne, fountain 



Plum... 20, 



American wild.. . 



219 

 192 

 192 

 192 

 192 

 151 

 151 

 151 

 28 

 American [151 



pygmy 

 wild.. . 



Poa 



alpicola 39, 



alpina 37,39, 



andina 



annua 44, 



caesia strictior 



callichroa 



cenisia 



compressa 44, 



confusa 15, 18, 



crocata 15,27,41, 



flexuosa 



interior 14, 18,35, 



juncifolia 15, 18, 



laxa 



leptocoma 35, 39, 



longiligula .27, 



longipedunculata .27, 32, 40, 



occidentalis 



Pattersonii 40, 



platyphylla 27,37, 



pratensis 14, 35, 44, 



pratericola 



pseudopratensis 14, 18, 



reflexa 32,35,39, 



rupestris 



rupicola 40, 



serotina 



triflora 11, 14, 18,28, 



trivialis 44, 



Vaseyana 33, 35, 



Wheeled.. . 



POACEAE 

 POALES 



Poinsettia .................. [166 



cuphosperma .............. [166 



dentata ................ 14, [166 



Poison camass ............... [88 



falcate ................... 



Poison ivy .................. 



Rydberg's ................ 



Polanisia ................... 



trachysperma ............. 



POLEMONIACEAE ............. 



POLEMONIALES .............. 



Polemonium ................ 



Brandegeei ............. 42, 



confertum ................ 



mellitum ................ 



delicatum .............. 42, 



mellitum ................. 



molle ..................... 



pulcherrimum .............. 



robustum ............. 37, 



scopulinum ............... 



POLYGONACEAE .............. 



POLYGONALES ............... 



Polygonum ................. 



acre ...................... 



aviculare .............. 44, 



Bis tor ta oblongifolium ....... 



buxiforme ............. 16, 



confertiflorum .......... 33, 



consimile ................. 



Colvolvulus ................ 



Douglasii .............. 18, 



consimile ............... 



emersum .................. 



Engelmannii .............. 



erectum. . ............. 44, 



lapathifolium .............. 



Muhlenbergii ............. 



Persicaria ................. 



punctatum ............... 



ramosissimum. ........ 



[ 



[88 



167 



167 



135 



135 



196 

 195 



198 

 199 

 199 

 198 

 198 

 198 

 198 

 198 

 198; 

 42 



104 

 104 



106 

 107 

 106 

 108 

 106 

 106 

 107 

 108 

 107 

 107 

 107 

 106 

 106 

 107 

 107 

 107 

 107 

 106 



