322 



INDEX. 



Page. 



Pink family 153 



ground 235 



Indian 228 



moss 235 



wild 154 



Pinkweed 146 



Pinweed 205 



Piper, C. V ; 15 



Pipewort 115 



family 115 



Pipsissewa 221 



spotted 221 



Pitch pine 61 



Pitcher-plant 170 



family 170 



Plantaginaccae 256 



Plantago 256 



Plantain. . . .- 256 



bottle-brush 256 



common 257 



Knglish 257 



family 256 



heart-leaf 257 



Indian 291 



mud 117 



robin's 282 



water 64 



Platanaceae 173 



Platanus 173 



Pleurisy-root 232 



Pleuropterus 147 



Pluchoa 283 



Plum. Chickasaw 180 



wild 180 



Plume-grass 66 



Poa 87 



Poacoae 66 



Pndophyl him 160 



Podostemaceae 171 



Podostemum 171 



Pogonia 129, ISO 



rose 129 



Poinsettia 197 



Poison hemlock 219 



ivy 198 



sumac 198 



Pokewecd 150 



family 150 



Polemoniaceae 235 



Polemonium 235 



Polianthos ]25 



Polycodium 224 



Polygala 1^3 



Polygalaeeae 193 



Polygonaceae I44 



Polygonatum 123 



Polyg-num U~>, 146,147 



Polyinnia 285 



Polypodiaceae 



Polypodium 



Polypody 



gray 



Polypremum 22S 



Polystichum 55 



Pondlily, yellow 255 



Pondweed 62 



53 



.Mi 



Pondweed, bushy. 



family 



horned 



sago 



Pontederia 



Pontederiaceae 



Poor-man's weather-glass. 



Poor-weed 



Poplar 



Wack 



Bolle's 



Carolina 



pray 



liombardy 



silver....! 



swamp 



white 



Poppy 



family 



priekly 



Populus 



Porteranthus 



Portulaca 



Portulacaceae 



Post oak 



Potamogeton 



Potamogetonaceae. 

 Potato 



pea... 

 sweet. 



vine 



Potentilla 



Poterium 



Potomac Side Naturalists' Club . 

 Potomac Valley region, flora of . . 



Poverty grass^ 



Prairie willow 



Prenanthcs 



Prickly ash 



lettuce 



pear 



poppy 



Primrose, evening 



family 



violet 



Primulaceae 



Princc's-f eather 



Privet. 



Proserpinaca 



Prunella 



Primus 



Psedera 



Ptelea 



Pteretis 



Pteridium 



Pteris 



Ptilimnitim 



Puccoon, hoary 



Pucraria 



Purple fireweed 



foxglove 



loosestrife 



milkweed 



orchis 



s neezeweed 



top 



Page 



64 



62 



64 



64 



116 



116 



226 



258 



34,161 



134 



135 



134 



135 



134 



i::-. 



135 



135 



162 



162 



162 



134 



175 



150 



150 



140 



62 



62 



24; 



IV 



233 



23; 



17! 



177 



13 



17-18 



82 



134 



265 



102 



266 



211 



162 

 211 

 22,> 

 208 

 22.1 

 146 

 228 

 215 

 243 

 179 

 201 

 1<!2 



54 



51 



H 

 219 



23N 



190 

 218 



253 



212 

 232 



12'.< 

 290 



