Ohio Buckeye, 199. 

 Osage Orange, 133. 

 Ostrya virginiana, 81. 



Padus serotina, 155. 



virginiana, 157. 

 Paper Birch, 91. 

 Pepperidge, 209. 

 Picea abies, 25. 



alba, 21. 



canadensis, 21. 



excelsa, 25. 



mariana, 23. 



nigra, 23. 

 Pignut Hickory, 77. 



'Small, 75. 

 Pin Cherry, 159. 



Oak, in. 



O^k, Northern, 115. 

 Pine, Austrian, n. 



Black, ii. 



Jack, 9. 



Norway, 15. 



Red, 15. 



Scotch, 13. 



Scrub, 9. 



White, 7. 

 Pinus austriaca,, 11. 



banksiana, 9. 



divarkata, 9. 



laricio austriaca, n. 



resinosa, 15. 



strobus, 7. 



sylvestris, 13. 

 Platanus occidentalis, 141. 

 Plum, Canada, 161. 



Red, 161. 

 Poplar, Lombardy, 59. 



Tulip, 137. 



White, 47. 

 Papulus alba, 47. 



balsamifera, 53, 55. 



balsamifera candicans, 55. 



candicans, 55. 



del'toides, 57. 



dilatata, 59. 



fastigiata, 59. 



grandidentata, 51. 



monilifera, 57. 



nigra italica, 59. 



tremuloides, 49. 

 Prunus americana, v. nigra, 161 



niigra, 161. 



pennsylvanica, 157. 



serotiixa, 155. 



virginiana, 157. 

 Pyrus americana, 147. 



coronaria, 145. 



Quercus acuminata, 107. 

 alba, 101. 

 Alexanderi, 107. 

 bicolor, 105. 

 coccinea, 113. 

 ellipsoidalis, 115. 

 imbricaria, 121. 

 macrocarpa, 103. 

 marilandica, 119. 

 nruhlenbergii, 107. 

 palustris, in. 

 platanoides, 105. 

 rubra, 109. 

 velutina, 117. 



Red Ash, 215. 



Cedar, 33. 



Cherry, Wild, 159. 



Elm, 125. 



Juniper, 33. 



.Maple, 187. 



Mulberry, 135. 



Oak, 109. 



Pine, 15. 



Plum, 161. 

 Redbud, 167. 



Robinia pseudo-acacia, 169. 

 Rock Elm, 129. 



Maple, 181. 



Salisburia adiantifolia, 3. 

 Salix, 35. 



amygd,aloides, 39. 

 245 - 



