296 



Parsonia petiolata, 250 



Paspalum circulare, 95 ; psammophilum, 



95 

 Passiflora, 34; gracilis, 35; incarnata, 



232 

 Passifloraceae, 232 

 Pastinaca sativa, 239 

 Pearse, A. S., 117 

 Pedicularis canadensis, 116 

 Pediocactus, 189 



Pelagophycus, 221, 222; porra, 159 

 Pellia Fabroniana, no 

 Peltandra, 229; virginica, 228 

 Penicillus, 20 

 Pennell, F. W., 83, 116 

 Pentstemon glaucus, 271 

 Pepo, 189 

 Peppers, bird, 234 

 Persea pubescens, 233 

 Persicaria, 190 

 Perularia, 189 

 Petalostemum, 189 

 Petasites palmatus, 103 

 Poa crocata Michx., On the Identity of, 



35 



Poaceae, 227 



Podophyllum peltatum, 115, 243 



Pogonatum brachyphyllum, 108 



Pogonia, 190; ophioglossoides, 255; 

 verticillata, 115 



Poinsettia, 189 



Polemonium confertum, 270; confertum 

 albiflorum, 270; mellitum, 270 



Pollywog, 228 



Polygala Nuttallii, 252; paucifolia, 129; 

 viridescens, 250 



Polygonaceae, 230 



Polygonatum biflorum, 124 



Polygonella articulata, 251 



Polygonum, 190; arifolium, 49, 59; 

 aviculare, 237; Bistorta, 182; hydro- 

 piper, 230; lapathifolium, 230; ramo- 

 sissimum, 250; sagittatum, 230 



Polygonum Bistorta, Note on the Alpine 

 Dwarfing of, 182 



Polypodium, 20; Plumula, 20; vulgare, 

 207, 218 



Polypores of the Adirondacks, The, 37 



Polypteris, 190 



Polystichum, 20, 189; acrostichoides, 

 207; adiantiforme, 20 



Polytaenia, 190 



Polytrichum commune, 6, 211; ohio- 

 ense, 57, 209; strictum, 6 



Pomeroy, G., 85 



Pomme a raquet, 232 



Pontederia cordata, 229 



Pontederiaceae, 229 



Pool, R. J., 23, 70 



Pop-apple, 232 



Popenoe, P. E., 87 



Poppy, 227 



Populus deltoides, 105, 142; tremu- 

 loides, 48, 61; tremuloides minor, 266 



Porella platyphylla, 209 



Portulaca oleracea, 238 



Posey, G. P., 246 



Postelsia, 221 



Potamogeton foliosus, 226; Nuttallii, 

 226; perfoliatus, 226 



Potato, black, 229; muskrat, 227; white, 

 227; wild, 227 



Potentilla, 190; argentea, 128; cana- 

 densis, lis, 128; canadensis simplex, 

 128; fruticosa, 128; Monspeliensis, 

 50; palustris, 93; recta, 50; tri- 

 dentata, 102 



Poteridium, 190 



Poterium, 190 



Prenanthes, 207 



Preservation of Our Native Plants, 

 The, 184 



Prickly Lettuce, 240 



Primula angustifolia, 269; cusickiana, 

 269; nivalis, 269; Parryi, 269 



Prize Essay on the Local Flora, i 



Probable Origin of the Alpine Plants 

 of the Rockies, 279 



Proceedings of the Club, 19, 36, 84, 

 lis, 148. i6s, 192, 278 



Prolification of the Fruit in Okra, 

 Hibiscus esculentus, 33 



Prunus, 190; americana, 243; angusti- 

 folia, 142, 243; caroliniana, 142; 

 maritima 104, 2Si; pennsylvanica, 

 51, 210; serotina, 26, 51, 100, 128, 

 142, 178, 179, 203; virginiana, 26, 

 51. 61 



Psilotum, 21; nudum, 21 



Pteridium, 190; aquilinum, 243; cau- 

 datum, 20 



Pteridophytes, 218 



Pterigynandrum filiforme, 209 



Petrorhagia, 190 



Phaethusa, 190 



Phalaris, 77; geometrorum, 76 



Phaseolus lunatus, 149; vulgaris, 149 



Phegopteris, 190; Dryopteris, 218; 

 polypodioides, 207, 218 



Phellopterus, 189 



Philadelphia Natural History Society, 

 40 



Phleum pratense, 46, 58 



Phlox caespitosa, 270; paniculata, 249; 

 pilosa, 256 



Phoradendron flavescens, 234, 245 



Photographing of Wild Flowers, The, 



115 

 Phragmites communis, 227 

 Phyllitis, 190 



