Pink Family, 71, 72. 
Pinus, 14. 
Pipe Vine, 65. 
Pipsissewa, 165. 
Pisum, 129. 
Pitcher-plant Family, 101. 
Plantaginacee, 211. 
Plantago, 211, 212. 
Plantain, 211, 212. 
Plantain Family, 211. 
Plantain, Water, 21. 
Platanacee, 105. 
Platanus, 105. 
Plum, 116. 
Podophyllum, 85. 
Poet’s Narcissus, 43. 
Poison Ivy, 138. 
Poison Vine, 138. 
Pokeberry, 69. 
Pokeberry Family, 69. 
Poke, Indian, 32. 
Pokeweed, 69. 
Pokeweed Family, 69. 
Polanisia, 99. 
Polemoniacee, 185. 
Polemonium, 186, 187. 
Polygala, 134, 135. 
Polygalacee, 134. 
Polygala Family, 134. 
Polygonacee, 66. 
Polygonatum, 39, 40. 
Polygonum, 67. 
Pomme Blanche, 126. 
Pontederia, 28. 
Pontederiacex, 28. 
Poor Man’s Weather-glass, 174. 
Poplar, 47. 
Poplar, White, 87. 
Poppy, 91. 
Poppy Family, 89, 90. 
Populus, 47, 48. 
INDEX 2538 
Portulaca, 71. 
Portulacacee, 70. 
Portulaca Family, 70. 
Potato, 200. 
Potentilla, 114. 
Prairie Apple, 128. 
Prairie Fire, 205. 
Prickly Ash, 133. 
Prickly Pear, 154. 
Primrose, 172. 
Primrose Family, 171. 
Primula, 172. 
Primulacee, 171. 
Prince’s Pine, 165. 
Privet, 177. 
Prunus, 116, 117. 
Psoralea, 126. 
Ptelea, 134. 
Puccoon, 191. 
Pudding-berry, 163. 
Pulse Family, 117-119. 
Purslane, 71. 
Purslane Family, 70. 
Pyrola, 165. 
Pyrolacee, 164. 
Pyrola Family, 164. 
Pyrrhopappus, 236. 
Pyrus, 108, 109. 
Quaker Ladies, 213. 
Quaking Asp, 47. i 
Quamoclit, 184. 
Quercus, 56-59. 
Quince, 108. 
Radish, Wild, 96. 
Ragweed, 282. 
Ranunculacex, 77, 78. 
Ranunculus, 82, 83. 
Raphanus, 96. 
Raspberry, 111, 112. 
