INDEX. 



133 



Oxalis Acetosella 106 



Oxalis corniculata 106 



Oxalis stricta 106 



PAPAVERACE2E 104 



Parsnip, Common 109 



Parsnip, Cow 109 



Parsnip, Early Meadow.. 109 



Parsnip, Meadow 109 



Parsnip, Water 109 



Partridge-berry 110 



Pastinaca sativa 109 



Pearlwort 105 



Pedicularis Canadensis. . . 114 



Pennyroyal, American . . . 115 



Pennywort, Water 109 



Penthorum sedoides 109 



Pentstemon laevigatas . . . 114 



Pepper, Mild Water 116 



Peppergrass 104 



Peppermint 115 



Pepperidge 110 



Pepper-root 104 



Petasites palmata Ill 



Phlox subulata 113 



Physalis Virginiana 114 



Physocarpus opulifolius. . 108 



Physostegia Virginiana.. . 115 



Phytolacca decandra 115 



PHYTOLACCACEiE 115 



Picea nigra 117 



Picker el- weed 119 



Pig-nut 116 



Pig-weed 115 



Pine, Pitch 117 



Pine, Red 117 



Pine, White 117 



Pine-sap 113 



Pink, Moss 113 



Pinus resinosa 117 



Pinus rigida 117 



Pinus strobus 117 



Pinweed 105 



Pipewort 119 



Pipsissewa 112 



Pitcher-Plant 104 



PLANTAGINACE/E 115 



Plantago lanceolata 115 



Plantago major 115 



Plantain 115 



PLATANACEiE 116 



Platanus occidentalis 116 



Pogonia afflnis 117 



Pogonia ophioglossoides.. 117 



Poison-Ivy 107 



Pokeweed 115 



POLEMONIACEiE 113 



POLYGALACE^E 107 



Polygala, Fringed 107 



