Hypocreacese 



Hypomyces. H. vole'mi Pk. Subiculum very thin, whitish or isabelline; peri- 

 thecia minute, brown, nestling in the subiculum ; asci very slender, 

 iOO-125/x long, sporiferous part 41*. broad. Spores oblong-fusiform, 

 I2-I5/A long, 4/u, broad, commonly binucleate. 



Parasitic on the hymenium of Lactarius volemus. Pennsylvania. 

 Charles Mcllvaine. 



The hymenium of the host plant is changed in appearance by the 

 parasite, but the stem and upper surface of the pileus remain unchanged. 

 Peck, Bull. Torrey Bot. Club, 27, January, 1900. 



The edible qualities are in nowise affected by the parasite. 



564 



