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 



