Jones: Flora of Illinois 



313 



Pipsissewa 199 



Pitcher-plant 144 



Pitcher-plant Family 144 



Planera - H I 



Plane-tree 147 



Plane-tree Family — .....147 



Plantaginaceae 234 



Plantago 234 



Plantain - 234 



Plantain Family 234 



Platanaceae - 1 47 



Plalanlhera 99 



Platanus 147 



Pleiolaenia 198 



Pluchea 257 



Plum 1 57 



Poa 52 



Podophyllum 1 33 



Pogonia 100 



Poinsettia 1 76 



Poison-hemlock 197 



Poison-ivy 1 77 



Pokeweed - 122 



Pokeweed Family 122 



Polanisia 144 



Polemonium 21 2 



Polemoniaceae ..: 21 1 



Polygala I 73 



polygalaceae i 73 



Polvgonaceae 1 14 



Polygonatum 94 



Polygonella 1 18 



Polygonum 1 Id 



Polymnia 259 



Polypodiaceae 34 



Polypodium 38 



Polypody 38 



Polystichum - 36 



Polytaenia 198 



Pond-lily 133 



Pondweed 42 



Pondweed Family 42 



Pontederia 89 



Pontederiaceae 89 



Poplar 101, 102 



Poppy 1 35 



Poppy Family 134 



Populus 101 



Portulaca 123 



Portulacaceae 123 



Possumhaw 1 77 



Potamogeton 42 



Potamogetonaceae 42 



Potentilla 1 49 



Prairie-clover 1 64 



Prairie-dock 259 



Prairie Meadowsweet 150 



Prenanthes 271 



Prickly-ash I 73 



Prickly-pear 188 



Prickly Sida 183 



Primrose 201 



Primrose Family 201 



Primrose-willow 190 



Primula 201 



Primulaceae .201 



Prmce's- feather 1 18 



Princess Tree 233 



Proserpinaca 193 



Prunella 220 



Prunus 1 57 



Psedera 181 



Psoralea 163 



Psoralidhim 1 64 



Ptelea -1 73 



Pteretis 36 



Pteridium 39 



Pteris 39 



Ptilimnium 197 



Pulsalilla 1 3 1 



Puncture-weed 1 72 



Purpletop 54 



Purslane 123 



Purslane Family 123 



Puttyroot 101 



Pycnanthemum 222 



Pyrola 199 



Pyrrhopappus 272 



Pyrus 1 55 



Quamasia 94 



Quamoclit 210 



Quassia Family ....173 



Quercus 108 



Quillwort 32 



Quillwort Family 32 



Racoon-grape 181 



Radicula 139, 142 



Radish 138 



Ragweed 247 



Ragwort 267 



Raimannia 191 



Ranunculaceae 127 



Ranunculus 129 



Raphanislrum 1 38 



Raphanus ...138 



Raspberry 152 



Ratibida 260 



Rattle-box 162 



Rattlesnake-master 196 



Rattlesnake-plantain 100 



Redbud 161 



Redtop 57 



Reed 54 



Rhamnaceae 1 79 



Rhamnus 1 79 



Rhexia 189 



Rhinanlhaceac 225 



Rhinanihus _ 230 



