INDEX. 



423 



' Pajje. 



I'liragniitesphragmites 249 



PliyllaiithuscaroliiiensiB 198 



ciliatoglandiiloaiis 76 



niruri 356 



tPmiicanlli.i- 198,288 



I)olj-g()i]oi(lca 49 198,350 



pringlei 172 



Physniis 108 



unguliita l,"}? 



(^rassifolia 74,133 



glabra 74 



greenei , 18 



liedera'folia 212 



laiicoolata 212 



lohata 212 



mollis 212 



muriculata 18 



peduncidata ,■ 18 



peruviana 212 



viscosa 212 



Physal xles phyaaloides ". 243 



Physaria montaiia 154 



Physcii liispida ■. 292 



leucomela 292 



tribacia 78 



Physooarpiis inonogynia 158 



Physo('.ia coryiiibosa 309 



aciiminatii 309 



Pliysosiphon guatcmaleiisis 261 



Pliy sostcgia 110 



Phy tolaccacesp 65, 76, 86, 353 



Pioi\T nigra ccprulea 175 



Pickcringia 157 



lijlea glabra 172 



jHimila 216 



Pimenia pinicnta 239 



Pimpiiiella mexicana 163 



Piuns attenuata 249 



(Jonnell-sniitlni 175 



monophylla ednlis 175 



m iiricata 20 



occarpa 115 



Pine 296 



Pineapples 295 



PioiH'o . - - 322 



Piper biok'vi - 200 



Ijorncanuni 260 



(ialviramnini 260 



i^arrilloaiium 260 



clirysostacliyiim 260 



i^oilostochyum 260 



'lilatatum acutifolium 260 



■ liHCophorum 260 



aonnell sniithii 171 



Iryadmn 260 



Smbriiilatum 260 



gfiiiculatuni longepetiolatuni 260 



gibbosum 260 



hirsutum la^viiis 260 



pallescens 260 



parvifolium 260 



tondiizii 260 



Jaliscanum 171 



nemorensc 260 



DeurostatihyuiD 260 



Page. 



Piper nobile minus 260 



nudifloriim 260 



otophonim . 260 



pi'biieri 2!)7, 299, 354 



manzaniUoanum 297, 299 354 



peltapbyllmn 260 



poa.saiiiim 261 



psciulo-fuliginei 354 



psciido vclutinum flavcaccns 261 



psilocladuiii 261 



realcjoauiini 297, 354 



rufesceiis . . ... . . . . 261 



saliiiasanimi 261 



saiita-roManiiin 171 



sepit'ola 261 



subsessilil'oliuin 261 



tt'rrabanuiii 261 



tuborciilatiiiii ; 297, 3,i4 



tucrekbeimii 171 



nmbetlatnm ■. 297, 354 



unibrioola • 261 



uiigujculatum Inngifoliiim : 297, 299, 354 



vallicoluin ■ 261 



yzabalamum 171 



Pipera<'ic 171, 244, 200, 3.54 



Piptadeiiia eoinmunis 320 



leptocarpa 325 



tonuicarpa 299 



Pi.soidia moltis - 98, 158 



Pi.sonia acuJeata 296, 351 



hirsutissinia 351 



macrantliocarpa 170 



Pistia stratiotes :i6l 



Pitcairnia carioana 173 



Pithecolobium 83, 329 



albicans 100 



dulce 69, 328 



mexicanuHi !0 ', 158 



texense 37, 69 



tortum - - 328 



Pittiera longipeduiKnilata 259 



Plagiobothrys coopf^ri 13, 18 



californicus 242 



cam])e8tris 242 



Plagiocblla anderssonii 138 



distincti folia 141 



duricaulis 141 



hirta 141 



tphalera 140 



nnci/onmg 140 



Plantaginacei^^ 197, 213 



Plantago patagonica 21, 26, 47, 196 



aristata 196,213 



jiiLsilla 213 



virginiea . 47, 213 



loiigi folia 47 



Platystemon californiciin crinitiis 236 



dentieulatiis 236 



torreyi 236 



Plectritis iniyor 163 



Pleurolobus canadensis 237 



canescens 238 



dillenii 238 



grandiHornn 238 



uuditlorus.,- 238 



