244 



INDEX 



Black walnut, 87, 230 



Blotches, leaf, 41 



Blue beech, or hornbeam, 59, 70, 

 128 



spruce, 123 



Bolting limbs, 176 



Bordeaux mixture, 160, 175 



Borer, bronze-birch, 64 



, hickory bark, 85, 151 



, linden, 98 



, locust, 100 



, sugar maple, 37 



Boring insects, 22, 134 



Box-elder, 45 



Bracing limbs, various methods 

 of, 176 



Bracket fungus, 154 



Branches, dead and broken, re- 

 moval of, 162 



, how to prevent bark splitting 

 when removing, 162 



Broadleaf or " hardwoods," 222, 

 226 



Bronze-birch borer, 64 



Brooklyn, N. Y., 242 



Broom hickory, 87 



Brown hickory, 87 



Brown-tail moth, 145 



Buckeye, 34 



Butternut, 83, 90 



Buttonball, 63 



Button wood, 63 



By-products of forests, utiliza- 

 tion of, 198 



Cambium layer, 106, 109 



Camperdown elm, 50 



Care in selecting trees suitable 



for the soil, 210 

 Carolina poplar, 51 

 Carpinus caroliniana, 70, 128 

 Castanea dentata, 80 

 Catalpa speciosa, 102 

 Caterpillars, 33, 74 



Caterpillars, leaf-eating, 95 



, spraying for, 145 



Catkin, ~66 



Cattle grazing in forests a source 

 of injury, 196 



Cavities, fungous diseases attack- 

 ing, 172 



how caused, 170 



, manner of filling, 172 



Cedar apple, 22 



, white, 24 



Celtis occidentalis, 70 



Chamaecyparis thyoides, 24 



Character building and trees, 235 



Chestnut, 80, 227 



and oaks, 71 



disease, 158 

 Chewing insects, 134 

 Cherry, 231 



Child training in observation and 



precision, 237 

 Chlorophyll, 109 



Civic lessons reflected in trees, 239 

 Climbing trees, precautions, 167 

 Clubs, tree, 242 

 Coffee tree, 120 

 Colorado blue spruce, 15 

 Color of leaves, 109 

 Common catalpa, 104 

 - locust, 101 



Community life of trees, 182, 239 

 Conifers or " softwoods," 222, 224 

 Coniferous trees, 122 

 Copper beech, 120 

 Cork elm, 95 



Cornus florida, 104, 122, 128 

 Corrosive sublimate, 175 

 Cottonwood, 51, 232 

 Cottony-maple scale, 39 

 Crataegus oxyacantha, 128 

 Crown, 107 

 Cucumber tree, 99 

 Cypress, 225 



and larch, description of, 25 



