PLATE 15. 



Hypocreaceae. 



Opliionectria Eveiiiarfii, E. & G., enlarged peritheciuiii. 



All a?('iis. 



A sporidiuiu. 



Coi'dyceps Sphin^iim, (Tiil.) natural size growing Iroiii a 

 (lead larva in a cocoon. 



An enlarged piece of a stroma bearing peritliecia. 



A peritliecium highly magnified. 



An ascurt. 



Epichloe typhiiia, (Pers.), natural size, on culm of grass. 



Enlarged section through the stroma and peritliecia. 



An ascus with the lower part broken awny showing tlio 

 protruding sporidia. 



Coi'dyi'tfps elavulata, (Schw.) on dead scale insects on a 

 living twig of Fraxinus, somewhat enlarged. 



An enlarged head of one of the stromata showing the pcri- 

 thccia. 



A sporiditim. 



Claviceps mii'i-oeepliala, Tul. somewhat enlarged. 



An ascus. 



A sporidinm. 



—Figures on this plate not drawn to any definite scale. 



