298 



[446 



References to the Flora are in brackets f 1 



PiNGUICULACEAE [219] 



Pink, Drummond's [117] 



Pink family [117] 



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] 



Patagonica gnaphalioides . ... [219] 



Purshii 16, [219] 



Plantain [219] 



common [219] 



English [219] 



mud [88] 



Pursh's [219] 



rattlesnake [97] 



Plantain family [219] 



Pleurogyne [192] 



fontana... 34, [192] 



rotata tenuifolia [192] 



Pleurogyne, fountain [192] 



Plum 20, [151] 



American wild [151] 



pygmy [151] 



wild...._. 28 



American -'[151] 



Poa [69] 



alpicola 39, [70] 



alpina 37,39, [71] 



andina [72] 



annua 44, [69] 



caesia striclior [71] 



callichroa [70] 



cenisia [70] 



compressa 44, [70] 



confusa 15,18, [72] 



crocata 15,27,41, [71] 



flexuosa [70] 



interior 14,18,35, [71] 



juncifolia 15,18, [72] 



laxa [70] 



leptocoma 35,39, [70] 



longiligula 27, [72] 



Iongipedunculata.27,32,40, [72] 



occidentalis [70] 



Pattersonii 40, [71] 



platyphylla 27,37, [70] 



pratensis 14, 35, 44, [69] 



pratericola [72] 



pseudopratensis 14, 18, [72] 



reflexa 32,35,39, [70] 



rupestris [71] 



rupicola 40, [71] 



serotina [70] 



triflora 11,14,18,28, [70] 



trivialis 44, [69] 



Vaseyana 33,35, [71] 



Wheeleri [71] 



Poaceae [57] 



POALES [57] 



Poinsettia [166] 



cuphosperma [166] 



dentata 14, [166] 



Poison camass [88] 



falcate [88] 



Poison ivy [167] 



Rydberg's [167] 



Polanisia [135] 



trachysperma [135] 



polemoniaceae [196] 



Polemoniales [195] 



Polemonium [198] 



Brandegeei 42, [199] 



confertum [199] 



mellitum [198] 



delicatum 42, [198] 



mellitum [198] 



molle [198] 



pulcherrimum [198] 



robustura 37, [198] 



scopulinum 42 



Polygonaceae [104] 



Polygonales [104] 



Polygonum [106] 



acre [107] 



aviculare 44, [106] 



Bistorta oblongifolium [108] 



buxiforme 16, [106] 



confertiflorum 33, [106] 



consimile [107] 



Colvohulus [108] 



Douglasii 18, [107] 



consimile [107] 



emersum [107] 



Engelmannii [106] 



erectum 44, [106] 



lapathifolium [107] 



Muhlenbergii [107] 



Persicaria [107] 



punctatum [107] 



ramosissimum [106] 



