303 



; Page. 



Pitcher-Plant Family 13 



■Plane-tree 201 



Plane-tree Family. 201 



PLANT AGIN ACE JE 148 



Plantago 148 



Plantain 148 



Plantain Family 148 



PLATANACE.^ 201 



Platanns -201 



Pleurisy-root 181 



Plum 64 



PLUMB AGIN ACE^ . .' 144 



Plnmeless Thistle 110 



Podophyllum 12 



Pogonia 23.3 



Poison Elder U 



Poison Hemlock 92 



Poison Ivy ' 44 



Poison Oak , 44 



Poke Milkweed .' 180 



Pokeweed 183 



Pokeweed Family 1^3 



■ Polanisia -. — ... 25 



POLEMONI ACE^ ....'. lli 



Polemonium Family 172 



Polygala 48 



POLYGALACE^ 48 



POLYGON ACEvE 188 



Polygonatum 'JV2 



Polygonum IS!) 



Polymnia 131 



POLYPETALOUS EXOGEXS. 1 



POLYPODIACEJi 267 



Pojypodium 259 



Polypody 251) 



POME^ 63 



- Pijndweed. 221 



Pondweed Family 221 



Pontederia 247 



PONTEDERIACEiE 247 



Poplar 212 



Peppy 14 



Poppy Family 14 



Populus' 212 



Portulaca 37 



Page. 



PORTUL ACACEiE 37 



iPotamogetoti ." 221 



Potentilla 67 



Poterium 65 



Prairie Clover 58 



Prairie Dock 131 



Prairie Rocket 2L 



Prenantlies 133 



Prickly Ash 43. 



Prickly Pear 86- 



Primrose. 146 



Primrose Family 145 



Primula 146 



PEIMULAGE.<E 145 



Prince's Pine 114 



Prosartes 241 



Proserpinaca 80 



Prunus : 61 



P.- oralea 67 



Ptolea 43 



Ptcris 260 



Pterpspora '. 144 



Puccoon 170 



Pulse Family 40 



Purslane ■,■■•,••' 87 



Purslane Family ■..."....■ 37 



Putty Root 234 . 



Pycnantliemum 164 



Pyrola 143 



PYEOLE/E 139 



Pyrus 73 



Quercitron 206 



Quercus 205 



Quillwort 271 



Radish 25 



Ragweed Ill 



Ragwort '. 116 



RANUNCULACEiE 2 



Ranunculus 6 



Raphanus .' 25 



Raspberry ^ .-:•? 70 



Rattlesnake;Planlain .'. . 232 



Rattlesnake-root ,. 133 



Rattlesnake-weed : , . . . 133 



