486 



Karl M. Wiegand and Arthur J. Eames 



page 



Poa (continued) : 



serotina 67 



sylvestris 67 



sylvestris 67 



triflora 67 



trivialis 67 



Podophyllum 218 



Pogonia 156 



Pogonia 156 



Pokeweed 197 



Pokeweed Family 197 



Polanisia 235 



Polemoniaceab 349 



Polygala 286 



Fringed 286 



POLYGALACEAE 286 



POLYGOXACEAE 185 



Polygonatum 147 



Polygonum 188 



acre 191 



amphibium 190 



arifolium 192 



aviculare 189 



cilinode 193 



coccineum 191 



Convolvulus 192 



dumetorum 193 



erectum 189 



Hartwrightii 191 



Hydropiper 191 



hydropiperoides 191 



i/ncanwtUHi 190 



lapatbifolium ] 90 



Muhlenbergii 191 



nodosum 190 



orientale 192 



pennsylvanicum 190 



Persicaria 192 



punctatum 191 



ramosissimum 189 



robustius 191 



sagittatum 192 



scabrum 190 



scandens 193 



tomentoaum 190 



Virginia n urn 192 



Polymnia 413 



POLTPODIACEAE 26 



Polypodium 33 



Polypody 33 



Polystichum 31 



Pondweed Family 46 



Pontederia . . . .' 137 



PONTEDERIACEAE 137 



Poor Man's Weatherglass 339 



Poplar, Balsam 162 



Lombardy 162 



Necklace 162 



Trembling 163 



White 163 



Yellow 217 



Poppy, California 220 



Corn 220 



Opium 220 



Poppy Family 220 



Populus * 161 



Portulaca 205 



PORTULACACEAE 204 



Putamogeton 46 



alpinus 49 



americanus 48 



amplifolius 4S 



PAGE 



Potamogeton (continued) : 



angustifolius 49 



bupleuroides 49 



Claytonii 50 



compressus 50 



crispus 49 



dimorphus 50 



epihydrus 50 



filiformis 51 



fluitans 48 



foliosus 51 



Friesii 50 



gramineus 48 



Uramineus 48 



heterophyllus 48 



Hillii 50 



lonchites 48 



lucens 49 



marinus 51 



moniliformis 51 



natans 48 



nutans 48 



NuttallU 50 



obtusifolius -50 



pauciflorus 51 



pectinatus 51 



pectinatus 51 



pennsjflvanieus 50 



perfoliatus 49 



praelongus 49 



pusillus 50 



pusillus 50 



Richardsonii 49 



Robbinsii 51 



rufescens 49 



Spirillus 50 



vaginatus 51 



Zizii 49 



sosterifolius 50 



Potentilla 258 



Poterium 265 



Prenanthes 431 



Primrose, Canadian 338 



Evening 315, 310 



Primrose Family .S37 



Primula * 338 



Pki mdlaceae 337 



Prince's Feather \'.*2 



Prince's Pine M31 



Spotted 331 



Privet, Common 341 



P rosaries 147 



Proserpinaca 319 



Proso 87 



Prunella 358 



Prunus 268 



americana 269 



americana 269 



avium 270 



cerasifera 269 



cerasus 270 



cuneata 27n 



domestica 269 



Manaleb 270 



nigra 269 



pennsylvanica 270 



Persica 269 



pumila 270 



serotina 270 



susquehanae 270 



virginiana 27U 



Patdtra 296 



