194 



Ptilota, 161. 



Puke Fiimily, 44. 



Punctaiia, ICo. 



Purple Aveiis, 48. 



Purple Azalea, 73. 



Purple Orchis, 108. 



Purple Thorn-apple, 86. 



Purple Trillium, 110. 



Purslane, 39. 



Purslane Family, 39. 



Pussy Willow, 99. 



Putty- root, 109. 



Pjcnanthemura, 81. 



Pylais^a, 142. 



Pyhus»a (Pterigynandrnm), 172. 



PyhiisaBL'se, 142. 



Pyrenopsis, 152. 



Pyreuula, Iqo. 



Pyrethrum, 66. 



Pyrola, 73. 



Pyxine, 151. 



Quaking Grnss, 127. 

 Quercus, 96. 



Quercus prinoides, 12, 97. 

 Quick Grass, 127. 

 Quillwort, 131. 



Rabbit-foot Clover, 45. 

 Radisli, 35. 

 Kadula, 145. 

 Kalfsia, 164. 

 Kanialina, 149. 

 Banunculacese, 29. 

 Ranunculus, 29. 

 Ranunculus alismBefolius, 29. 

 Raphanus, 35. 

 Raspberry, 49. 

 Rattlesnake Fern, 132. 

 Rattlesnake Grass, 125. 

 Rattlesnake-root, 69. 

 Rattlesnake-weed, 09. 

 Red-ash, 89. 

 Red Baneberry, 31. 



Red-berried Elder, 59. 



Red Birch, 98. 



Red Cedar, 102. 



Red Clover, 45. 



Red Currant, 51. 



Red Hemp Nettle, 82. 



Red Maple, 43. 



Red Oak, 97. 



Red Osier Dogwood, 58. 



Red Pine, 12, 101. 



Red Plum, 47. 



Red Snow, 168. 



Red-stemmed Plantain, 75. 



Red-top, 123. 



Reed Meadow Grass, 126. 



Rhabdonia, 160. 



Rhamnacese, 43. 



Rliamnus, 43. 



Rliexia, 54. 



Hhiuanthus, 80. 



Rliizocarpeas, 132. 



Rhizocloiiium, 168. 



Rhododendron, 73. 



Rliodomela, 159. 



Rbodomelese, 158. 



Rliodora (Rhododendron), 73. 



Rliodymenia, 160. 



Rhodynn nie«, 160. 



RJHis, t2. 



Rhyuchospora, 118. 



Ribbon Glass, 129. 



Ribes, 51. 



Rib-grass, 75. 



Riceia, 144. 



Ricciacese, 144. 



Rice Cut Grass, 122. 



Rich-weed, 82, 95. 



Rinodina, 153. 



River Birch, 98. 



Rivularia, 168. 



Robinia, 45. 



Robin's Plantain, 63. 



Rock Maple, 43. 



Rock Rose Family, 36. 



