INDEX. 



483 



Page. 



Phytoplankton, conclusions respecting 338, 340 



Picacho Mountain 105 



Pieris nitida 334 



Pifion pine 210 



Pinus brachyplera 175 



»*>lte 176,240 



cngelmanni 176 



scopulorum 175 



serotina 331,332,339 



Pisonia 377,379,386 



aculeata 380, 388, 389, 391 



macranthocarpa _ 387 



pedicdlaris 387 



capitata 378; 38 g^ 3S9 



donnellsmithii 337 



faseiculata. 388 



flavescens _ 3gg 



grandifolia 391 



hirtella 385 



glabrata 380 



macranthocarpa _ 337 



monotaxadenia 339 



pacurero 3S5 



pedicdlaris 387 383 



Pisoniae _ 370 



Pisoniella 3 79) 3g5 



arboreseens 335, 3S6 



glabrata 386 



Pisoniella (section) 38,-, 



Pteopogon sctosum 109 177 



Pt,a 48, 66, 75, 245 



abbreviata 74 



acutiglumis 72 



alpina gg 



vivipara gg 



angustata _ 77 



annua _ gg 



arctica 68, 72, 74 



arida 171,177 



bigelovii 174, 177 



bulbosa vivipara 74 



caesia 74 



cenisia 68, 72, 74 



eminens 73 



fendleriana 177 



flavicans 71 



flexuosa 74 



genuina 74 



typiea 74 



fitlva 74 



gelida 72 



glaeialis gg 



glauca 74 



elatior 74 



glumaris _ 73 



hLspidula 72 



lanata 72 



Jaxa 6 g 



leptocoma 70 



71 



7S 



70 



77 



69 



- 78 



70 



elatior 



maritima 



nemoralis 



nutkaensis 



paucispicnla. 



phryganodes 



pratensis 



alpigena 74 



46865°— vol 13—12 3 



Poa— Continued. Page. 



psilosantha 75 



reflexa 71 



rigens 73 



rotundata 70 



serotina ^9 



stenantha 71 



leptocoma 70 



vivipara 68,71,74 



tracyi 165,177 



triflora 59 



trinii 73 



trivialis 70 



turned 72 



vahliana 73 



vivipara gg 



williamsii. 08 



Poaceae 4 g 



Poaceae (scries) 43 



Pocosin 323 



Podagrostis 48) 58 



aequivalvis 53 



Poikilopteris donnell-smithii 20 



Poinciana californica 302 



conzattii 302 



melanadenia 303 



mexicana 303 



palmeri 303 



pannosa 303 



placida 303 



scssiliflora 303 



Poinsettia en phospcrma 199 



Polakowskia 131 



tac aco 131,132 



Polemonium filicinum 165,209 



flavum 1G5; 209 



pterospermum... i54 ; 209 



Polybotrya caudata 20 



osmtindacea 20 



Polygala calcicola 307 



conzattii 307 



lozani 307 



minutifolia 307 



pavoni 307 



Polygonum longistylum 169, 181, 242 



Polypodiaceae 5 



Polypodieae, tribe 7 



Poly podium adiantiforme 30 



bernouillii 9 



biauritum 910 



chrLstensenii 10 



ciliatum g 



coriaceum 30 



crenatum... 19 , 



cultratum 10 43 



denticulatum 39 



cchinatum 28 37 



effusum 3Q 



fallax _ iQ 



nssidens 42 



flavopunctitum ig 



furfuraceum 10 



ghiesbreghtii 19 



guatemalenae g 



jublforrne 12 



legionarium 10 



leucosf icton 10 



longicaudatum 18 



