Parasitic and Saprophytic Fungi in Orchards. 171 



EXPOSURE VII. 



EXPOSURE VIII. 



discussion of saprophytic forms. 

 Cladosporium sp. — ^Tv^^o forms appeared in the cultures and 

 have been designated in the list of fungi obtained as No. 1 and 

 No. 2. No. 1 occurred much more commonly. It forms small, 

 dark, olive green hemispherical colonies, vv^hich are black be- 

 neath, and as they grow older have one or more fissures as seen 

 from below. The other, No. 2, forms a much larger colony of 

 looser filaments, brown, with tinges of red near the margin. 



♦Unknown fungus formed a very loose cottony mycelium but gave no 

 hint as to its identity. 



