viii CONTENTS 



CHAP. PAGE 



VIII. ARMILLAEIA MELLEA, THE HONEY 

 FUNGUS. 



General. Microscopic details of the fructification. Rhizo- 

 morphs. Effect on the host. The black line and resin flow. 

 The method of infection. Means of prevention * . .144 



IX.' LEAF AND SEEDLING DISEASES. 



The larch needle-cast (Sphaerdla laricina). Meria lands. 

 Hypodermdla laricis. The larch needle- rusts: Melampsoridium 

 betulinum, Melampsora tremulae, &c. Damping-off diseases : 

 Phytophthora omnivora ; Fusoma para*iticum . . .168 



X. GENERAL SUMMARY ... . . 182 



BIBLIOGRAPHY 193 



INDEX .- 200 



