viii CONTENTS. 



CHAPTER VI. 



PAGE 



DISEASES DUE TO AGARICUS MELLEUS AND POLYPORUS 



SULPHUREUS 155 



CHAPTER VII. 

 THE "DRY-ROT" OF TIMBER 176 



CHAPTER VIII. 



THE CORTEX AND BARK OF TREES 199 



CHAPTER IX. 



THE HEALING OF WOUNDS BY OCCLUSION , 2IO 



CHAPTER X. 



" CANKER " : THE LARCH DISEASE 227 



CHAPTER XL 



LEAVES, AND LEAF DISEASES , . . 244 



CHAPTER XII. 



PINE-BLISTER 2 6 



_-- x 



CHAPTER XIII. 



THE " DAMPING OFF " OF SEEDLING TREES 271 



INDEX 289 



