THAXTER. NEW LABOULBENIACEAE. 57 



75-100 fji. Appendages 200-250 /*. Total length to tip of perithecium 

 275-290 //. 



On inferior surface of abdomen of Corisa Kennicottii Uhler, Arling- 

 ton, Mass. On Corisa sp., Iowa. This interesting form, which is the 

 only member of the group occurring on an Hemipterous insect, was 

 discovered by Mr. Charles Bullard, who has also found on a different 

 host a somewhat larger form that may prove to be distinct. 



