Illustrations. xi 



AGB 



Figure 74, STRIPED MAPLE - 149 



Figure 75. SUGAR MAPLE 15 : 



Figure 76. BLACK MAPLE . . . . . . . .153 



Figure 77. SILVER-LEAF MAPLE . . , . . . 155 

 Figure 78. RED MAPLE . . ... . . . 157 



Figures 79, 80, 81, and 82. GRAY PINE, SCRUB PINE, TABLE 



MOUNTAIN PINE, and RED PINE 163 



Figures 83, 84, and 85. YELLOW, PITCH, and WHITE PINE . 167 

 Figures 86 and 87. BLACK SPRUCE and WHITE SPRUCE . .169 



Figure 88. NORWAY SPRUCE 171 



Figure 89. HEMLOCK .173 



Figures 90 and 91. BALSAM FIR and LARCH . . . .177 



Figures 92 and 93. WHITE CEDAR and ARBOR VIT^B . . 179 

 Figure 94. RED CEDAR . . , . .. . . . . -.183 



Figure 95. AILANTHUS . ... . . . .187 



Figure 96. LOCUST . . . 189 



Figure 97. KENTUCKY COFFEE TREE 191 



Figure 98. HONEY LOCUST 193 



Figure 99. STAG-HORN SUMACH 197 



Figure too. POISON SUMACH 199 



Figure 101. MOUNTAIN ASH . . * 201 



Figures 102 and 103. BLACK WALNUT and BUTTERNUT . . 205 



Figure 104. SHAG-BARK 207 



Figure 105. MOCKER-NUT . . 200 



Figure 106. SMALL-FRUITED HICKORY 211 



Figure 107. PiG-NuT 213 



Figure 108. BITTER-NUT . V . . . . 215 

 Figure 109. ASH- LEAVED MAPLE . . . ... 219 



Figure no. WHITE ASH . .* 221 



Figure in. RED ASH ...... . . 223 



Figure 112. GREEN ASH . 225 



Figure 113. BLUE ASH . . . . . . . . 227 



Figure 114. BLACK ASH 229 



Figure 115. SWEET BUCKEYE 233 



Figure 116. OHIO BUCKEYE 235 



