VASCULAR PLANTS OF OHIO 



245 



Pellaea, 18 

 i'altendra, 125 

 ir'enthorum, 1185 

 Pentstemon, 1522 

 Peramium, 593 

 Perilla, 1661 

 Persicaria, 983 

 Perularia, 569 

 Petalostemon, 1128 

 Petunia, 1497 

 Phaea, 1133 

 Phacelia, 1449 

 Phaethusa, 1857 

 Phalaris, 415 

 Phaseolus, 1178 

 i-li'^gopteris, 13 

 Philadelphvis, 1324 

 Philotria, 113 

 Phleum, 399 

 Phlox, 1416 

 Phoradendron, 1370 

 Phragmites, 349 

 Phryma, 1690 

 Physalis, 1503 

 Physalodes, 1502 

 Phyllanthus, 790 

 Phytolacca, 936 

 rilea, 1259 

 Pimpinella, 1735 

 Pinus, 68 

 Plantago, 1691 

 Platanus, 1244 

 Pleuropterus, 976 

 Poa, 322 



Podophyllum, 654 

 Podostemon, 1186 

 Pogonia, 581 

 Poinsettia, 798 

 Polanisia, 754 

 Polemonium, 1425 

 Polycodium, 1405 

 Polygala, 783 

 Polygonatum, 512 

 Polygonum, 994 

 Polymnia, 1876 

 Polypodium, 11 

 Polystiehum,. 39. 

 Pontederia, 528 



Populus, 1297 

 Porteranthus, 1031 

 Portulaea, 931 

 Potamogeton, 86 

 Potentilla, 1007 

 Poterium, 1052 

 Prosperpinaca, 1357 

 Prunella, 1666 

 Prunus, 1084 

 Psoralea, 1124 

 Pteiea, 781 

 Pteridium, 17 

 Pyrola, 1385 

 Pyrus, 1054 



Quamasia, 487 

 Quamoclit, 1430 

 Quercus, 1264 



Eadieula, 694 

 Eairaannia, 1344 

 Ranunculus, 607 

 Baphanus, 751 

 Eatibida, 1837 

 Eeseda, 756 

 Ehamnus, 1203 

 Ehexia, 1200 

 Ehododendron, 1397 

 Ehus, 1235 

 Eibes, 1326 

 Eicinus, 797 

 Eidan, 1858 

 Eobertiella, 763 

 Eobinia, 1130 

 Eosa, 1040 

 Rotala, 1195 

 Eubus, 1021 

 Eudbeckia, 1832 

 Euellia, 1586 

 Eumex, 967 

 Eynchospora, 173 



gabbatia, 1463 

 Sagina, 887 

 Sagittaria, 78 

 Salix, 1304 

 Salomonia, 512 

 Salsola, 966 



