INDEX TO PART III 



221 



Quercitron Oak, 156. 

 Quercus alba, 153. 



aquatica, 157. 



bicolor, 154. 



Cerris, 159. 



coccinea. 156. 



falcata, i57. 



fastigiata, 159. 



heterophylla, 152. 



ilicifolia, 157. 



imbricaria, 158. 



lyrata, 154. 



macrocarpa, 153. 



Michauxii, 154. 



Muhlenbergii, 155. 



nigra, 158. 



palustris, 156. 



pedunculata, 159. 



pendula, 159. 



Phellos, 152, 158. 



prinoides, 155. 



Prinus, 154. 



Robur, 158. 



rubra, 152, 156. 



sessiliflora, 159. 



stellata, 153. 



tinetoria, 156. 



virens, 155. 

 Quince-tree, 102. 



Rabbit-berry, 132. 

 Red Ash, 123. 



Bay, 130. 



Birch, 147. 



Buckeye, 82. 



Cedar, 199. 



Cherry, 99. 



Elm, 134. 



Horse-chestnut, 82. 



Maple, 85. 



Mulberry, 138. 



Oak, 156. 



Pine, 176. 



Plum, 98. 



Redbud, 94. 

 Red-leaved Alder, 148. 

 Redwood, 193. 

 Retinospora, 193, 196, 197. 

 RhamnacesB, 79. 

 Rhamnus, 79, 80. 

 Rhododendron, 117. 

 Rhus, 89-91. 

 River Birch, 147. 

 Robinia, 93, 94. 

 Rock Elm, 134. 



Maple, 86. 

 Rosacese, 97. 

 Rose-acacia, 94. 

 Rose Family, 97. 

 Rough Oak, 153. 

 Round-leaved Maple, 88. 

 Rowan-tree, 103. 

 Rue Family, 73. 

 Rutacese, 73. 



Salicaceee, 161. 

 Salisburia, 201. 

 Salix Alba, 164. 



amygdaloides, 163. 



angustata, 165. 



annularis, 164. 



Babylonica, 164. 



caprea, 166. 



cinerea, 167. 



cordata, 165. 



decipiens, 164. 



discolor, 166. 



falcata, 163. 



fragilis, 163. 



longifolia, 167. 



lucida, 164. 



myricoides, 165. 



nigra, 163. 



pentandra, 165. 



purpurea, 165. 



rigida, 165. 



rostrata, 166. 



rufescens, 165. 



