Illustrations. xi 



PAGE 



Figure 74. STRIPED MAPLE 149 



Figure 75. SUGAR MAPLE 151 



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^E . . 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 100. 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 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" 



