INDEX 



Ability of trees to resist injury from gases, 



170 



Accessories, Spraying, 194 

 Ailanthus or Tree of Heaven, 66 

 Alder Aphis, Woolly Maple and, 215 

 American (or White) Elm, 50 

 American Legion plants Memorial Trees, 



109 



American Plane, 34 

 Ammoniacal Copper Carbonate, 179 



Formula, 179 



How to make, 180 



Appearance of, 180 

 Ancient History, Trees in, 18 

 Anthracnoses, 180 

 Anticipating insect attacks, 225 

 Aphids, Gall, 208 



Sap-sucking, 199 

 Aphis, Box Elder, 200 



Gall, 210 



Gray, 217 



Norway Maple, 215 



Tulip Tree, 22 1 



Woolly Elm-bark, 207 



Woolly Maple and Alder, 215 

 Apples, Cedar, 182 

 Appraisal, Methods of shade tree, 232, 



233 



Appropriations for shade tree work, 228 

 Arsenate of lead powder, 188 

 Ash, Differentiating characters between 



Green and White, 30 



Green, 30, 57 



Leaves, 30 



Mountain, 64 



Principal insects attacking: Ash-bud 

 gall-mite, 197; San Jos6 scale, 197 



White, 30, 57 

 Ash-bud Gall-mite, 197 

 Ash-leaved Maple or Box Elder, 32, 62 

 Aspen, American, 38 



Large-toothed, 38 



Quaking, 38 



Borer, 219 



Associations, Memorial Tree, 117 

 Atmospheric influences, Damage to shade 



trees from, 169 



Bagworm, 202, 211, 216, 218 

 Bands, Tree, 195 

 Bark Beetle, Hickory, 209 

 Bark grafting by bridging, 160 

 Injuries, 152 



Bark, Loosened, 155 



Treatment of torn, 152 

 Barrel hand-pump for spraying, 192 

 Basic value of shade tree varieties, 238 

 Basswood, 40, 52 

 Battle-ground Oak at Guilford Court 



House, 124 

 Beech, American, 38, 64 



Characteristics, range, beauty and 

 adaptability of, 106 



European, 40 



For roadside planting, 106 



Identifying characters of, 38 



Principal insects attacking: Gipsy 



moth, 198; Aphids, 199 

 Beetle, Elm-leaf, 201 



Cottonwood, Poplar, and Willow-leaf. 

 218 



Hickory Bark, 209 

 Big-leaf Maple, 61 

 Birch-borer, Bronze, 199 

 Birch, Canoe, 40 



Grey, 40 



Identifying characters, 40 



Paper, 40 



Principal Insects attacking: bronze 

 birch borer, 199; Gipsy moth, 199 



White, 40 



Black knot, Treatment of, 176 

 Black Locust, 65 

 Black Walnut for beauty and utility, 102 



For California highways, 103 

 Bolting Limbs, 158 

 Bolts, Tree, 158 

 Bordeaux Mixture, 177 



Formula, 178 



How to make, 178 

 Borer, Aspen, 219 



Bronze Birch, 199 



Cottonwood, 220 



Elm, 205 



Linden, 210 



Two-lined Oak and Chestnut, 216 



Sugar Maple, 212 

 Borers, Work of, 187 



How to control, 187 

 Boring Insects, Habits and damage of, 197 



How to remedy, 197 

 Boston Common, Trees of, 125 

 Box Elder or Ash-leaved Maple, 3 2 



Principal insects attacking, 200 

 Branching, Pruning for proper, 141 

 Bridge grafting, 160 



249 



