262 



INDEX. 



Plum, Chickasaw, 109. 

 Plum Family, 108. 

 Plum, Wild, 109. 

 Podophyllum, 83. 

 Poison Viue, 137. 

 Pokeweed, 68. 

 Pokeweed Family, 67. 



POLEMONIACE^, 192. 



Polemonium, 193. 

 Polygala, 134. 



POLYGALACE.E, 134. 

 POLYGONACE.E, 61. 



Polygonatum, 34. 

 Polygonum, 62. 



POMACE.E, 105. 



Pond Lily, Yellow, 72. 

 Pomegranate, 157. 

 Pontederia, 25. 



PONTEDERIACE^:, 25. 



Poor Man's Weather-glass, 174. 



Poppy, Corn, 87. 



Poppy Family, 87. 



Poppy, Opium, 87. 



Populus, 47. 



Porteranthus, 101. 



Portulaca, 69. 



PORTULACACE.E, 68. 



Portulaca, Garden, 69. 

 Potato Family, 204. 

 Potato, Irish, 206. 

 Potato Vine, Wild, 190. 

 Potentilla, 103. 

 Poverty-weed, 222. 

 Poverty-weed, Large, 222. 

 Prairie Dock, 241. 

 Prickly Pear, 155. 

 Primrose Family, 173. 

 Primrose, Narrow-leaved, 160. 

 Primulace^, 173. 

 Prince's Feather, 63. 

 Privet, 179. 



Prunus, 108. 

 Psoralea, 119. 

 Ptelea, 132. 

 Puccoon, Hairy, 198. 

 Punica, 156. 

 Purslane, 69. 

 Purslane Family, 68. 

 Pyrus, 106. 



Quamoclit, 190. 

 Quercus, 52, 

 Quince, 107. 

 Quince, Japan, 107. 



Ragweed, Golden, 246. 

 Ragweed, Woolly, 246. 

 Ranunculace^, 76. 

 Ranunculus, 81. 

 Raphidophylla, 21. 

 Raspberry, Black, 102. 

 Raspberry, Red, 102. 

 Rattan-vine, 142. 

 Rattle-box, 117, 159. 

 Rattle-box, Narrow-leaved, 117. 

 Red Bay, 85. 

 Redbud, 112. 

 Red Root, 37. 

 Reseda, 93. 

 Resedace^, 92. 

 Rhamnace^, 142. 

 Rhamnus, 142. 

 Rhexia, 157. 

 Rhus, 137. 

 Rhynchosia, 128. 

 Rhynchosia, Climbing, 128. 

 Rhynchosia, Round-leaved, 128. 

 Ribes, 98. 

 Ribgrass, 219. 

 Ricinus, 135. 

 Robinia, 121. 

 Rock-rose, Carolina, 152. 



