128 



PYKENOMYCETES. 



The so-called Botrytls bassiana, which produces the disease known by the name 

 of " Muscardine," in silkworms, is probably a conidial form belonging to 

 Cordyceps. 



Fi. 118. Cordyccps militaris. I Stromata with 

 conidiophores (ft aria farinosa). II A larva, with 

 stromata, bearing perithecia. Ill A spore. 



Fio. 119. Cordyceps robertii on the larva of Hepialus virescens : a stalk of stroma ; 

 perithecia. 



