State Boakd of Forestry. 



Plate — Page. 



93. Crataegus pruinosa (Waxy-fruited Thorn) 273 



94. Crataegus coccinoides (Eggert's Thorn) 274 



95. Crataegus coccinea (Scarlet Thorn) 276 



96. Crataegus mollis (Red-fruited or Downy Thorn) 277 



97. Crataegus Phaenopyrum (Washington's Thorn) 279 



98. Prunus pennsylvanica (Wild Red Cherry) 281 



99. Prunus americana (Wild Red Plum) 283 



100. Prunus nigra (Wild or Canada Plum) 285 



101. Padus serotina (Wild Black Cherry) 287 



102. Cercis canadensis (Redbud) 289 



103. Gleditsia triacanthos (Honey Locust) 292 



104. Gleditsia aquatica (Water Honey Locust) 293 



105. Gymnocladus dioica (Coffeenut) 295 



106. Robinia Pseudo-Acacia (Black Locust) 297 



107. Ailanthus glandulosa (Tree of Heaven) 300 



108. Ilex decidua (Holly) 302 



109. Acer Negundo (Box Elder) 304 



110. Acer rubrum (Red Maple) 306 



111. Acer saccharinum (Silver Maple) 308 



112. Acer saccharum (Sugar Maple) 310 



113. Acer nigrum (Black Sugar Maple) 312 



114. Aesculus glabra (Buckeye) 315 



115. Aesculus octandra (Buckeye) 316 



116. Tilia americana (Linn or Basswood) 318 



117. Tilia heterophylla (White Basswood) 320 



118. Nyssa sylvatica (Black Gum) 322 



119. Cornus alternifolia (Dogwood) 324 



120. Cynoxylon floridum (Dogwood) 326 



121. Diospyros virginiana (Persimmon) 328 



122. Fraxinus americana (White or Gray Ash) 331 



123. Fraxinus pennsylvanica (Red or Green Ash) 334 



124. Fraxinus Michauxii (Swell-butt Ash) 335 



125. Fraxinus quadrangulata (Blue Ash) 338 



126. Fraxinus nigra (Water or Black Ash) 340 



127. Forestiera acuminata (Swamp Privet) 343 



128. Catalpa Catalpa (Catalpa) 345 



129. Catalpa speciosa (Catalpa) 346 



130. Viburnum Lentago (Sheepberry) 350 



131. Viburnum prunifolium (Black Haw) 351 



132. County Map of Indiana 2 



133. English and Metric Scales compared 357 



FIGURES. 



1. Average monthly precipitation for Indiana 54 



2. Mean temperature for Indiana, 1887-1910 57 



3. Average precipitation for Indiana, 1887-1910 57 



