A Conifer Disease. 



21 



Description of the Figures. 



1. Terminal shoot of a Wellingtonia seedling killed by the 

 Botrytis. Clusters of the fungus in a fruiting condition are 

 springing from the dead portion of the shoot. Nat. size. 



2. A larch seedling showing stem disease. Numerous tufts 

 of the fungus are attached to the lower portion of the stem. 

 Nat. size. 



3. Transverse section through a portion of the stem of a 

 diseased larch seedling. The cortex is seen to be broken up 

 by the mycelium of the Botrytis, which has formed two sclerotia 

 that have burst through the bark, and are bearing fruit in the 

 air. Mag. 50 diam. 



4. Portion of a sclerotium producing clusters of spores. 

 Mag. 400 diam. 



