INDEX. 



559 



Page. 



Plantaco . ii. 14 



cordata 15 



hybrida 16 



Kentuckensis . - 15 



lanceolata 15 



limai if alia 16 



major 14 



maritiina 16 



pusilla 16 



Virginica 16 



Plantain ii. 14 



Plantain Tribe ii. 14 



PLATAN ACEjE. . . ii. 218 



Platanus ii. 218 



occidental is 218 



Platantiiera ii. 274 



blephariglottis . 277 



bracteata . 279 



ciliaris 277 



dilatata 276 



fimbriala , . 278 



flava 275 



herbiola 275 



holopetala 276 



Hookeri 275 



hyperborea 276 



lacera 278 



obtusata 274 



orbiculata 274 



psycodes 278 



Platyloma ii. 488 



atropurpurea . . 488 



Pleurisy-root ii. 123 



Ploughman's Spikenard, i. 368 



Pluchea i. 369 



camphorata 369 



Marilandica. . 370 

 PLUMBAGINACEiE, ii. 17 



Poa ii. 455 



alpina 456 



annua 455 



aqualica 464, 466 



autumnalis 457 



Canadensis 466 



capillaris 461 



Poa comprcssa 



crocata 



cuspidaia 



debilis 



dentata 



elongata 



Eragrostis 



fertilis 



flexuosa L . 



fluitans 



hirsuta 



hypnoides 



laxa 



lineala 



Michauxii 



nemoralis 



nervala . 



paluslris 



parvifiora 



pectinacea 



pilosa 



pratensis 



pratensis 



pungens 



reptans 



serotina 



spectabilis 



stolonifera 



striata 



tenella 



Torreyana 



trivialis . 



viridis 



peltatum. 



ceratophyllum - 

 Pogonia 



ophioglossoides, 



pendula 



vertieillata 



Poison Elder 



Po3ts, 





Page. 



li A r "7 



11. 45/ 



Poison Sumach 



i. 130 



458 



7~* 1 .1 



ii. 157 



457 



ti l J m "i 



Pokeweed 1 nbe 



ii. 157 



A r c\ 



4-j9 



POLANISIA 



l. 67 



461 



graveolens 



67 



A c r 



465 



T ) / \ T I'll. A "V ' 1 A / ' T ' 1 ' 



P(JLJi.MUiNlA01i.ib, 



ii. 93 



459 





ii. 94 



A r Q 



45 o 



reptans 





)0, 45/ 



Pollinia scoparia 



ii. 478 



a r o 

 463 



PoLYGALA 



i. 149 



460 



ambigua 



151 



460 



brevifolia 



150 



456 



cruciata 



150 



465 



cuspidaia 



150 



462 



lutea 



ii. 515 



458 



paucifolia 



i. 152 



465 



polygama 



152 



458 



purpurea 150, 152 



465 



rubella 



152 



460 



sanguinea 



149 



460 



Senega 



151 



457 



uni flora 



152 



456 



vertieillata 



150 



457 



POLYGALACE^l . 



i. 149 



460 



POLYGONACE^ . 



ii. 145 



458 



POLYGONATUM 



ii. 299 



461 



anguslifolium . 



299 



456 



canaliculalum - 



299 



465 



hirlum 



299 



460 



latifoUum 



299 



465 



multiflorum 



299 



456 



pubiscens 



299 



457 



Polygonum 



ii. 145 



i. 187 



amphibium 



148 



i. 35 



arifolium 



148 



35 



articulatum 



153 



ii. 171 



aviculare 



152 



ii 171 



cilinode 



147 



171 



coccineum 



149 



ii. 280 



Convolvulus . . 



146 



280 



dumetorum 



147 



281 



Fagopyrum . . 



146 



281 



glaucum 



152 



i. 130 



Hydropiper 



150 



i. 282 



hydropiperoides, 



150 



