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, 1 50 

 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, 23 1 



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, 



i S 6 

 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, 218 

 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 



