CONTENTS. 



PAGE 



Introduction, 



Requirements of shade trees, . 



Adaptability to climatic conditions, 



Hardiness and resistance, 



Configuration and conformity, 



Longevity, 



Rapidity of growth, 



Shade production, 



Root peculiarities or habits, 



Neatness, .... 



^Esthetic value, . 



Susceptibility to insect pests and diseases, 

 Commercial importance, 

 Street and roadside trees, 

 What shall we plant? 

 Rapidity of growth of trees, 

 Streets and avenues, .... .141 



Distance to plant, ....... 



Country roadsides, ...... 145 



Root characteristics, . . . . . . . . . .146 



Depth of roots, . 147 



Obstruction of sewer tile, etc., by roots of trees, . . . . .148 

 Branching characteristics, ......... 148 



Soil conditions, texture, etc 149 



Soil covers, lawns, macadam, etc., ........ 152 



Excavations, curbings and sidewalks, . . . . . . . 153 



Effects of light and shade, . . . . . . . . .154 



Transplanting, . . . . . . . . . . .155 



Tree surgery, ........... 159 



Pruning 160 



Healing of wounds, .......... 164 



Disinfectants for wounds and cavities, ....... 165 



Chaining and bolting trees, . . . . . . . . .167 



Treating decayed cavities, filling, etc., ....... 170 



Methods of treating cavities, ........ 173 



Shaping the cavity, 175 



Concrete fillings, 176 



Sectional concrete fillings, 179 



Concrete coverings for the cavity opening, . . . . . .181 



Metal coverings, ..... ... 181 



Elastic cement 182 



Asphalt fillings 183 



Wooden block method 184 



Tree guards ... 185 



Fertilizing trees, . . 187 



