in 



CLASSIFICATION OF FUNGI 



47 



borne the small, non-sexual, summer or conidial spores, 

 by which the disease spreads very rapidly. After a time 

 they cease to form conidial spores and form superficial 

 perithecia. Within each perithecium are the 



long 





FIG. 29. Wasps (Foliates (?) lineatur, Fabr) killed by Cordyceps. 



cylindrical asci or sacs, each containing eight spores. 

 These are resting spores which grow under favourable 

 circumstances and reproduce the disease. Among the 

 most important are the following : 



Nectria sp. on tea. 



cinndbarina on cacao. 



