INDEX. 



Abies balsamea, 99. 

 Acacia, rose, 29. 

 Acacia, three thorned, 29. 

 Acer barbatum, (see A. sac- 



charinum) . 

 Acer dasycarpum, 23. 

 Acer negundo, 26. 

 Acer pennsylvanicum, 25, 62, 

 Acer platanoides, 24. 

 Acer polymorphum, 21. 

 Acer pseudo-platanus, 26. 

 Acer rubrum, 23. 

 Acer saccharinum, 24. 

 ^sculus flava purpuras- 



cens, 23. 

 ^sculus hippocastamim, 22. 

 Ailanthus glandulosus, 18. 

 Alder, black, 22. 

 Alder, European, 73. 

 Alder, smooth, 73. 

 Alder, speckled, 73. 

 Alnus glutinosa, 73. 

 Alnus incana, 73. 

 Alnus serrulata, 78. 

 Amelanchier canadensis, 33. 

 Ampelopsis quinquef oha, 110. 

 Apple, 31. 

 Apple, crab, 32. 

 Arbor-vitse, 105. 

 Ash, American mountain, 32. 

 Ash, black, 41. 



Ash, European, 41, 42. 

 Ash, European moun- 

 tain, 32, 41, 111. 

 Ash, red, 42. 

 Ash, weeping, 42. 

 Ash, white, 41, 42. 

 Aspen, American, 91. 

 Aspen, large toothed, 91. 



Balm of Gilead, (see Poplar) 

 Barberry, 14. 

 Bass-wood, 17. 

 Beech, 76. 

 Beech, blue, 74. 

 Beech, copper, 76. 

 Beech, European, 75. 

 Beech, fern-leaved, 76. 

 Beech, purple, 76. 

 Beech, weeping cut- 

 leaved 76. 

 Berberis vulgaris, 14. 

 Betula alba, 72. 

 Betula lenta, 71. 

 Betula lutea, 71. 

 Betula nigra, 73. 

 Betula papyrifera, 72. 

 Betula populifoUa, 71. 

 Birch, black, 71. 

 Birch, canoe, 72. 

 Birch, European white, 72. 

 Birch, gray, 71. 



