xiv CONTENTS 



CHAPTER PAGE 



Diseases Rusts Mildews Blights. Diseases 

 Due to Conditions of Soil and Climate. Soil Con- 

 ditions Ulcers Drying Out and Leaf Scorch 

 Frost. 



IX. Insecticides, Fungicides, and Spraying . . . 203 



Insecticides. Stomach Poisons Contact Poisons 

 Vapors. Fungicides. Bordeaux Mixture 

 Ammoniacal Copper Carbonate. Spraying Ap- 

 paratus. Bucket -Pumps Barrel Hand -Pumps 

 Power Sprayers Spraying Hose Nozzles Ex- 

 tension Poles and Spray-Rods Precautions in 

 Spraying. 



X. The Repair and Replacing of Trees . . .218 



The Repair of Trees. Abrasion of Bark Bridge 

 Grafting Breakages in Storms Filling of Cav- 

 ities Knot-Holes Crotches. Maintenance of 

 Uniformity. Partial Replacing. Renewal of Plan- 

 tations. 



XI. Who Shall Plant and Care for Street-Trees . 231 



Individual Planting. Municipal Control. Wash- 

 ington Paris New York and Other Cities 

 States New Jersey and Pennsylvania Massa- 

 chusetts. Principles Underlying Shade-Tree Laws. 



XII. A Department of Municipal Arboriculture . 244 



Official in Charge of Street-Trees. Tree Census. 

 Field Books Mapping the Trees Value of 

 Tree Census. Records of New Trees. Other 

 Records. Assessment Lists. Labeling Trees. 



XIII. Legislation 258 



New Jersey. Pennsylvania. Massachusetts. Ordi- 

 nances. 



Index 277 



