INDEX 
257 
Tools, Pruning, 147,148 
Top-dry or stag-head, How to treat, 182 
Top pruning, 139 
Torn bark, Treatment of, 152 
Traffic injuries to trees, 149 
Transplant, How to, 80 
Transplanting, Digging for, 79 
Transplanting trees, 76 
Treatment of cavities, 161 
Splitting crotches, 158 
Treatment of tree diseases, 172 
Treaty Oak, 122 
Tree a symbol, The, 108 
Tree bands, Various types of, 195 
Tree damage, Penalties for, 233 
Tree diseases and their treatment, 172 
Tree guards, 134 
How to use, 135 
Painting, 137 
Types of, 135 
Value of, 239 
Tree injury by industrial wastes, 170 
Tree insects and their control, 183 
Tree labels, Cost of, 127 
Tree legislation, Shade, 240 
Tree planting an investment, 239 
Tree planting area map, 87 
Tree planting, How to plan, 82 
Tree planting table, 88 
Tree roots injured by sewers and pipes, 150 
Tree surgeons, 156 
Tree wardens, 230, 241, 242 
Trees and the home, 23 
Trees and the law, Shade, 240 
Trees as good citizens, 17 
As health factors, 21 
As monuments, 108 
For country roads, 91 
Crown the home, 23 
For roadside planting, Desirable, 92 
How to water, 131 
Least susceptible to injury from gas, 170 
Legal value of shade, 231 
Most susceptible to gas, 170 
To leaf blight, 180 
Municipal control of shade, 223 
Pruning and trimming, 138 
Suitable for Southern roads, 92 
Susceptible to heart-rot, 174 
Susceptible to slime-flux, 175 
Trenching to drive out gas, 169 
Trimming and pruning, Distinction 
between, 138 
Trunks, limbs and roots, Diseases of, 174 
Tulip tree, 55 
Principal insects which attack: tulip 
tree aphis, 221; tulip tree soft scale, 
222 
Tussock moth, White-marked, 204 
Twig girdler, 206, 210, 220 
17 
Twig pruner, Maple and Oak, 213 
Two-lined Oak and Chestnut borer, 216 
Two-row type of street tree planting, 68 
Uniformity of species for street trees, 224 
Uses of tree bolts, 158 
Of tree guards, 135 
Valley Oak, 49 
Valuation, Factors in shade tree, 232 
Value of roadside planting, 90 
Value of shade trees, Establishing, 231 
Intrinsic, 25 
Legal, 231 
Replacement, 234 
Verdicts in tree damage suits, 234 
Varieties of trees for country roads, 91 
Victory Road, Kentucky plants, 120 
Virgil, Setting of the tomb of, 18 
Walnut a rapid grower, 103 
Walnut caterpillar, 209, 222 
Walnut, Characteristics of black, 103 
Japanese, 105 
Pays good dividends, 100 
Principal insect which attacks: walnut 
caterpillar, 222 
Range and adaptability of black, 104 
Walnuts on Michigan’s state highways, 
104 
Warden, Tree, 230, 241 
Duties of Massachusetts, 242 
Warning against so-called tree surgeons, 
156 
Washington Horse Chestnut, The, 122 
Washington labels trees, 128 
Washington’s Memorial Trees, no 
Watering trees, 131 
Weather, Best planting, 82 
Webworm, Fall, 203,218 
Wesley Oak, The, 124 
When to plant, 85 
When to prune, 140, 147 
White ash, 57 
White-marked Tussock Moth, 204, 211, 
216, 218 
White Oak, 47 
Willow Oak, 48 
Willow-leaf beetle, Cottonwood, Poplar 
and,2 18 
Wires, Injury to trees from overhead, 150 
Wisconsin, Bennett planting in, 119 
“Witches Broom,” Appearance of, 176 
Woolly elm-bark aphis, 207 _ 
Woolly maple and alder aphis, 215 
Worm, Carpenter, 212 
Worthley nozzle, How to use the, 194 
York, Pennsylvania, Road of Remem¬ 
brance, 117 
