XIV 

 CHAPTER 



PAGE 



CONTENTS 



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 



