NDEX. 



805 



Petalostemon Michx 328 



alopecuroides Peks 330 



Candidas Michx 329 



villosus NUTT 328 



virgatum Nees 329 



Petrocallis R. Br 263 



Petrophytum NuTT 282 



Petrosciadium Edgeav 394 



Feucedaiiites Heer 390 



Peucedanoides Boiss , 390 



Peucedunum Linn 390 



nudicaule (Pursh) 390 



Peucedanum TouRN 390 



Peyritscia FouRN "68 



Pfeifferia Bucn 429 



Phaca Linn 323 



canadensis MacM 325 



caryocarpa MacM 326 



elongata Hook 324 



flexuosa Hook 324 



gracilis MacM 325 



hypoglottis MacM 324 



loli flora T. and G 323 



parviflora Nutt 325 



plattensis MacM 325 



Phacelia 3vf>s 435 



Phacelia flmhriata Pursh 436 



Pliacelia imrshii Buckl, 430 



Phacocapnos I3ernh 254 



Phaecasium Cass 567 



PiiaeoixopusCASs 560 



Phaenopus DC 560 



Phaenopyrum Roem 287 



coccinium Roem 288 



subvillosum Roem 288 



wendlandii Roem 288 



Phalacroderis DC 567 



Phalacroloma Cass 525 



obtusifolium Cass 526 



aciiti folium Cass 527 



Phalacros Wenz 287 



Phalangium esculentum Nutt 151 



f raseri Nutt 151 



Phalnris Link 54 



Phalaris aniericana Torr 55 



Phaluris arundinacea Linn.... 55 



Plialaris erucaefurmis Linn.. 72 



oryzoides Linn 54 



Phalerocarpus G. Don 407 



serpyllifolius Don 407 



Phasellus Moencii 312 



Phdseolns Linn 312 



Phaseolus angulosu^ (Muhl.)... 312 



Phaseolus dis^crsifoiius Pers. 312 



helvolus Linn 312 



macrostachys Ell, 312 



monoicus Eat. and Wit. 315 



paniculatus Miciix 312 



P]i((seolus paucijiorus Benth ... 312 



Phaseolus perennis Walt. ... 312 



Pliaseolus pohjstachyos (Linn.). 312 

 Phaseolus tuberosus Eat and 



Wk 315 



Phelipaea fasciculata Spreng 476 



Phelipaea ludoviciana Wali' 475 



Phemeranthus Raf 218 



teretifolius Raf 218 



Philadelphieae LiNDL 274 



Philipoea Reut 475 



Philoglnssa Baill 531 



Phlebosporiuni JuNGH 317 



Phledineuni Spach 234 



Phloganthea Cav 433 



Phlox Linn 431 



Phlox arista ta Micnx 432 



canadensis Sweet 431 



carnea Sims 432 



cuspidata Scheele 432 



Phlox divaricata Linn 431 



glaberrima Linn 432 



Phlox glutinosa Buckl 431 



Phlox maculata Linn 432 



Phlox penduli flora Sw 422 



Phlox pilosa Linn 432 



pilosa forma albiflora 432 



Phlox pyramidalis Sm 432 



reflexa Sw 432 



revoluta Aik 432 



Phragmites Trin 73 



Phragmites communis Trtn. . 73 



graecus Steud 73 



Phragmites phragmites (Linn.). 73 



Phragmites vulgaris BSP 73 



Phryma Linn 442 



leptnstachya Linn 442 



Phylace Nor 338 



Phyllach neae Baill 494 



Phyllantheae Agh 340 



Phyl lanthophora Gray 360 



Phyllodium Desvx 319 



PhylludonSALisr. 147 



Physalis Linn 456 



angulata Linn 458 



grandijlora Hook 458 



Physalis hirsuta Dun 457 



Physalis lanceolata Micnx 456 



Physal is nyctagi nea Dun 457 



obscura var. viscid o- 



pubescens Micnx 457 



pennsylvanica Gray 456 



Physalis philadelphica Lam.... 458 



Physalis pruinosa Linn 457 



pumila Nutt 456 



Physalis jmbescens IjINN 457 



Physalis viscosa Ell 457 



Physalis virginiana Mill 457 



Physalis viscosa Gray 457 



Physaria Nutt 263 



argentea MacM 263 



Physkium Lour 46 



natans Lour 46 



Physocarpa Raf 281 



Physocarpos Cambess 281 



opulifolius Raf 281 



Physocarpum Si'ACii 248 



Phy.solepidiurn Schrenk 256 



Physostegia Benth 446 



- — virginiana (Linn . ) 446 



