INDEX 



257 



Panus stipticus, 206'. 

 Papoose root, 75\ 

 Parmelia caperata, 182'. 

 conspersa, 183\ 

 olivacea, 182^ 



aspidota, 182". 

 perlata, 182='. 

 pertusa, 182^ 

 physodes, 182^ 



vittata, 182''. 

 saxatilis, 182^ 

 tiliacea, 182*. 

 Parmeliaceae, 182i-83^ 

 Parsnip, cow, 98^ 



golden meadow, 98^. 

 wild, 98^ 

 Partridge berry, 102^ 

 Pastinaca sativa, 98'. 

 Paxillus involutus, 212', 

 rhodoxanthus, 212^. 

 Peltigera aphthosa, 184^ 

 canina, 185^. 



spuria, 185^ 

 horizontalis, 184^. 

 polydactyla, 185\ 

 rufesceus, 185^. 

 Peltigeraceae, 184^-85'. 

 Pennsylvania Persicaria, 121\ 

 Pennsylvanian bitter cress, 77'. 

 Pennywort, American marsb, 99'. 

 Pepper, water, 120'. 

 Pepper grass, apetalous, 79^ 



wild, 79^ 

 Peramium repens, 129^ 



tessellatum, 129". 

 Peridermium balsameum, 227^ 

 decolorans, 227^ 

 elatinum, 227^ 

 Engelmanni, 227'. 

 Perisporiaceae, 228'. 

 Persicaria, hairy stalk, 12P. 

 Pertusaria communis, 186'. 

 leioplaca, 187-. 

 velata, 187\ 

 Pezicula acericola, 232*. 

 Peziza badia, 23r. 



Peziza odorata, 231'. 

 vesiculosa, 231'. 

 Pezizaceae, 23r-32'. 

 Pliacidiaceae, 233'. 

 Philonotis fontana, 165*. 

 Plilebia vaga, 222'. 

 Phleum pratense, 147*. 

 Pholiota, fat, 208^ 



Plioliota acericola, 209^ 

 adiposa, 208^ 

 aggerata, 208^ 

 albocrenulata, 208". 

 caperata, 208°. 

 confragosa, 209*. 

 flammans, 208'. 

 lutea, 208^ 

 marginata, 209^. 

 marginella, 209^ 

 rugosa, 209'. 

 Phyllosticta limitata, 234'. 

 Physalacria inflata, 224^ 

 Physaraceae, 233^ 

 Physcia, adglutinata, 183". 

 aquila, 183'. 



detonsa, 183'. 

 obscura, 183°. 

 setosa, 183^ 

 speciosa, 183^ 

 stellaris, 183*. 

 Picea alba, 12&-2T. 

 brevirolia, 127'. 



semiprostrata, 127^ 

 Canadensis, 69°, 126^-27^ 

 Mariana, 127'. 

 nigra, 127'. 



var. rubra, 127'. 

 Pigweed, 119". 



rough, 119°. 

 Pilophorus cereolus Fibula, 187' 

 Pine, Canadian, 126°. 

 festoon ground, 153". 

 ground, 153'. 

 Norway, 126°. 

 red 126°. 

 running, 153°. 

 Weymouth, 126^ 



