VASCULAR PLANTS OF OHIO 



245 



Pellaea, 18 



raltendra, 125 



renthorum, 1185 



Pentsteniuu, 1522 



Peramium, 593 



Perilla, 1(361 



Persicaria, 983 



Perularia, 569 



Petalostemun, 1128 



J'etuiiia, 1497 



I'haca, 1133 



Phaeelia, 1449 



Phaethusa, 1857 



Phalaris, 415 



Phaseolus, 1178 

 1 li-^gopteris, 13 

 Philadelphus, 1324 

 I'hilotria, 113 

 I'lileuin, 399 

 Phlox, 141(1 

 Phoradeudron, 1370 

 l'hraf;inites, 349 

 I'hrynia, 1690 

 Physalis, 1503 

 Physalodes, 1502 

 Phyllantbus, 790 

 Phytolacca, 936 

 rilea, 1259 

 Pimpinella, 1735 

 Pinus, 68 

 Plantago, 1691 

 Platamis, 1244 

 T'leuropterns, 976 

 Poa, 322 



Podophyllum, 654 

 Podostemon, 1186 

 Po.aonia, 581 

 Poiiisettia, 798 

 Polanisia, 754 

 Polemoiiiiim, 1425 

 Polyeodiuni, 1405 

 Polygala, 783 

 Polygonatiim, 512 

 Polygonum, 994 

 Polymnia, 1876 

 Polypodium, 11 

 Polystiehum, 39 

 Pontederia, 528 



J'(,[iulus, l:i:i7 

 Porteraiithus, lii31 

 Portiilaca, 931 

 Potamogetoii, 80 

 Poteiitilla, 1007 

 Poteriuiu, 1(152 

 Prospei'pinaca, 1357 

 Pnmella, 1666 

 Primus, 1084 

 Psoralea, 1124 

 Ptelea, 781 

 Pteridium, 17 

 Pyrola, 1385 

 Pyrus, 1054 



Quamasia, 487 

 Quamocdit, 1430 

 Quercus, 1264 



Kadicula, 694 

 Raimannia, 1344 

 Ranunculus, 607 

 Raphanus, 751 

 Ratibida, 1837 

 Reseda, 756 

 Rhamnus, 1203 

 Rhexia, 1200 

 Rhododendron, 1397 

 Rhus, 1235 

 Ribes, 132(i 

 Rieinus, 797 

 Ridan, 1858 

 Robertiella, 763 

 Robinia, 1130 

 Rosa, 1040 

 Rotala, 1195 

 Rubus, 1021 

 Rudbeckia, 1832 

 Ruellia, 1586 

 Rumex, 967 

 Rynchospora, 173 



Sabbatia. 1463 

 Sagina, 887 

 Sagittaria, 78 

 Salix, 1304 

 Salomonia, 512 

 Salsola, 966 



