558 



INDEX. 



Page. 



Parnassia Caroliniana, 



i. 



83 







83 







83 



PARNASSIEiE 



i. 



83 





i. 



278 



Partridge-berry i. 3 



14, 



433 



Partridge Pea 



!. 



190 



Paspalum 



ii. 



421 



ciliatifolium . . 





422 



debile . 





422 



filiforme 





424 



la? ve 





421 



pubescens.- 





422 



setaceum 





422 



Pastinaca 



i. 



277 



ambisrua 





278 



riqida.- .. - 





278 



sativa 





278 



triquinata 





277 



Paul's Betony 



ii. 



40 



Pear.. 



i. 



223 



Pearhvort 



i. 



93 



PEDALIACEiE ... 



ii. 



26 



Pedicularis 



ii 



49 



Canadensis 





49 



gladiata 





49 



lanceolata 





49 



pallida .. — 





49 



Virginica 





49 



Pellitory 



ii. 



224 



Peltandra 



ii 



241 



undulata . 





241 



Virginica 





241 



Pencil-flower 



i. 



174 



Pennisetum 



ii. 



430 



glaucum 





430 



viride 





430 



Penny Cress 



i. 



G4 



Pennyroyal 



ii. 



G6 



Penthorum 



i. 



253 



scdoides 





253 



Pentstemon 



ii. 



35 



pubescens 





35 



Peplis Americana 



i. 



91 



Pepper-root 



i. 



58 



Tage. 



Pepperidge ii. 162 



Peppermint ii. 56 



Pepperwort i. 64 



Perislylis bractealus. _ ii. 279 



viridis 279 



Pernetlya i. 451 



Persicaria ii. 148 



Persimmon ii. 6 



Phaca i. 173 



neglecta 173 



Phalachroloma obtusifolium, 

 i. 355 



Piialaris ii. 418 



Americana 418 



arundinacea .. 418 



Canadensis 419 



oryzoides 415 



Phalerocarpus serpyllifolia, 





i 



450 



PlIASEOLUS 



i. 



100 



diversifolius 





160 



helvolus 





161 



macrostachyos . 





160 



panicwlalus 





160 



peduncularis . . 





161 



perennis 





160 



vexillatus 





161 



PlILEUM 



ii. 



418 



pratense . 





418 



Phloniis tuberosa 



ii. 



81 



Phlox 



ii. 



9:3 



divaricata 





93 



subulata 





94 



PlIRAGMITES 



ii. 



446 



communis 





446 



Phryma 



ii. 



53 



leptostachya . . 





53 



Physalis 



ii. 



103 



heterophylla 





103 







103 



Pensylcanica . 





103 



viscosa 





103 



Physematium Perrinianum, 

 ii. 500 



oblusum 500 



Page 



Phyaocarpus i. 198 



Physostegia ii. 76 



Virginiana 76 



Phytolacca ii. 157 



decandra 157 



PHYTOLACCACEvE, 



ii. 157 



Picea balsamea ii. 229 



Pickerel-weed ii. 312 



Pickerel-weed Tribe . _ ii. 3 1 1 

 Picrococcus slamineus, i. 446 



Pigweed ii. 133 



Pimpernel ii. 12 



Pine ii. 227 



Pine Tribe ii. 226 



Pinguecula ii. 18 



acuti folia 19 



vulgaris 18 



Pink Tribe i. 92 



Pinus ii. 227 



alba 231 



Balsamea 229 



Canadensis 230 



microcarpa 232 



mitis 229 



nigra 230 



pendula 232 



resinosa 227 



rigida 227 



rubra 227 



Strobus 228 



variabilis 229 



Pinus-Abies balsamea, ii. 229 



Canadensis 230 



Pinweed i. 78 



Pipatherum nigrum. . ii. 432 



Pipes ii. 481 



Pipcwort ii. 335 



Pipewort Tribe ii. 334 



Pipsissiwa i. 455 



Pisum maritimum i. 157 



Pilyopsis falcata i. 367 



Plane-tree ii. 218 



Plane-tree Tribe ii. 218 



PLANTAGINACEiE, ii. 14 



