CONTENTS XVU 



PAGE 



Leaf blister-rusts 315 



Leaf-rust 316 



Brown felt-blight 317 



Leaf- and twig-blight 319 



Cone-rust 320 



Rust witches'-brooms 320 



Mistletoe witches '-broom 321 



Pecky wood-rot 324 



Red-brown sapwood-rot 327 



Stringy red-brown heartwood-rot 328 



Brown pocket heartwood-rot . . . . y . . . 328 



Cuboidal wood-rot . . 329 



Brown root- and butt-rot 329 



Red-brown root- and butt-rot 331 



Yellow root-rot 331 



CHAPTER XXX 



Sycamore ok Plane Tbee Diseases 333 



Leaf- and twig-blight 333 



CHAPTER XXXI 



Walntjt Diseases 339 



Leaf-spot 339 



Common white wood-rot 339 



Brown checked wood-rot 340 



CHAPTER XXXn 



Willow Diseases 341 



Powdery mildews 341 



Leaf-rusts 341 



Tar leaf-spot 343 



Common white wood-rot 343 



White wood-rot 344 



CHAPTER XXXIII 



Tree Suegeet 345 



Pruning 346 



