810 



METASPERMAE OF THE MINNESOTA VALLEY 



Prunus Juss 305 



americana MARSH 305 



Prunus boreal is Pom 308 



cartilaginea LEHM 306 



cuneata RAF 306 



depressa PURSH 306 



duerinckiiWALP 307 



hiemalis MICHX 305 



hirsuta ELL .307 



lanceolata WILLD 307 



mississi ppi MARSH 305 



nana DuRoi 307 



nigra MUHL 305 



obo vata BIGEL 307 



pennsylvanica LINN, f . . 307 



persicifolia DESF 308 



-pumila LINN 306 



rubra AIT 307 



serotinaEHRH 306 



serotina POIR 307 



spinosa WALT 305 



virginiana LINN 307 



virginiana MILL 306 



Prunus-Cerasus canadensis 



MARSH 307 



montana MARSH 307 



Pascalium CASS 554 



Psaruma BEAUV 67 



Psammoseris Boiss 567 



Pseudantheae ENDL 340 



Pseudocapsicum MOENCH 458 



Pseudocarex MIQ 106 



Pseudocyperus SEGU 103 



Pseudofumaria LUDW 254 



Pseva RAF 402 



maculata (LiNN. ) 402 



umbellata (LiNN. ) 402 



Psilocaenia NUTT 568 



Psilorhegma VOG 309 



Psilosanthus NECK . 504 



Psolanum NECK 458 



Psoralea LINN 330 



Psoralea alopecuroides POIR.. . 330 



argophylla PURSH 331 



brachiata DOUGL 330 



Candida POIR 329 



dalea LINN 320 



Psoralea esculenta PURSH 330 



Psoralea floribunda NUTT .... 330 



Psoralea incana N UTT 331 



Psoralea par vi flora POIR 325, 



Psoralea tenuiflora PURSH 330 



Psorophytum SPACH 362 



Psycanthus RAF 338 



Psychrogeton Boiss 515 



Psychrophila GAY 230 



Psyllophora EHRH 106 



pauciflora SOHUR 130 



Ptarmica NECK 549 



borealis DC 549 



Ptelea LINN 338 



Pbelea pentaphylla FABR 338 



tomentosa RAF 338 



Ptelea trifoliata LINN 338 



Ptelea viticifolia SALISB 338 



Pterochilus HOOK, and A UN. . 172 



Pterolepis SCHRAD 97 



Pteroloma BENTH 319 



Pteroneuron DC 261 



Pteronia caroliniana WALT. . . 506 



Pterophyllum NUTT 231 



Pterosel i num REICH 390 



Pterosenecio Scn.-BiP 554 



PterotaP.BR 337 



Pterotheca CASS 567 



Pterotheca PRESL 104 



Ptilagrostis GRIS 57 



Ptilochaeta NEES 104 



Ptilosciadium STEUD 104 



Ptilostemon CASS 558 



Pugiopappus TORR 543 



Pulegium MILL 454 



Pulicaria annua GAERTN 527 



Pulsatilla TOURN 235 



hirsutissirna BRITT 239 



nuttalliana SPRENG. .238, 239 



patens GRAY 239 



Punduana STEETZ 499 



PurshiaRAF 383 



Purshia SPRENG 436 



mollis LEHM 436, 437 



Putranjiveae ENDL 340 



Putteriickia ENDL 348 



Pycnanthernum MICHX 452 



. flexuosum BSP 452 



lanceolatum PURSH 452 



linifolium PURSH 452 



virginianum HITCH 452 



virginicum PERS 452 



Pycreus BEAUV 90 



Pygmaea HOOK, f 465 



Pyrola see Pirola 277 



Pyrola MOR 277 



corymbosa BERT 402 



maculata LINN 402 



umbellata LINN 402 



Pyrrheima HASSK 136 



Pyrrhopappus A. RICH 560 



Pyrrocoma HOOK 514 



Pyrus see Pirus 283 



americana NEWB 284 



aucuparia MEY 284 



bartramiana TAUSCH... 286 



coronaria var. iowensis 



WOOD 284 



iowensis BAIL 284 



ovalis BIGEL 286 



w angenhei miana 



TAUSCH 286 



sanguinea PURSH 286 



Pythagorea RAF 374 



alata RAF 374 



Pyxidium MOENCH 214 



Q 



Quamoclidion CHOIS 216 



Quercophyllum 191 



Quercus LINN 190 



