PLATE IV. 
Black Scurf of Citrus Fruits (Coniotiiecium). 
Fig. 
1. Shaddock allowing the skin in some places coated with a black mould, 
and in others with dirty-grey scurfy patches, where the fungus has 
become detached in line flakes. This disease resembles one stage 
of Sooty Mould, only it does not peel off and leave the surface un¬ 
broken (nat. size). 
•2. Clusters of Conidia which reproduce the fungus (x 540). 
