Seaver: Hypocreales of North America 



53 



On dead wood especially on or surrounding other old sphaeri- 

 aceous fungi. 



Type locality : Buffalo, N. York. 

 Distribution : New York to Louisiana. 



Specimens examined: New York, Seaver (various collec- 

 tions) ; Louisiana, Langlois 2181 ; West Virginia, Nuttall 75. 



The description of this species is drawn from material identi- 

 fied by Mr. Peck. The species has been frequently collected by 

 the writer about New York City. 



7. Hypocrea olivacea Cooke & Ellis, Grevillea 6: 92. 1878 

 Hypocrea melaleuca Ellis & Everh. Proc. Acad. Nat. Sci. Phil. 

 1890 : 245. 1891. 



Stromata scattered, effused and irregular in form, consisting 

 at first of a patch of thin, white tomentum .5-1 cm. in diameter, 

 becoming fleshy and of an olive shade, gradually becoming 

 darker, at length nearly black and punctate from the slightly 

 protruding necks of the perithecia ; asci cylindrical, 65-75 X 3-4 

 mic. becoming i6-spored ; spores hyaline, subglobose, 3 mic. in 

 diameter. 



On pine boards, bark of Sassafras, and oak chips. 

 Type locality: N. Jersey. 



Distribution : Known only from type locality. 



Illustrations: Grevillea 6: pi. 10, f. 2^. 



Specimens examined: N. Jersey, Ellis 2826 (cotype). 



The species forms irregular dark colored patches which on 

 drying break up into a number of smaller parts of variable size 

 and number. 



JMr. Ellis seems to have been uncertain as to whether H. 

 melaleuca was distinct from H. olivacea, the stroma of the former 

 having been described as whitish. When examined during the 

 present season the type of H. melaleuca shows the stroma to be 

 decidedly greenish and conforms exactly to H. olivacea. 



8. Hypocrea sulphurea (Schw.) Sacc. Syll. Fung. 2: 535. 1883 

 Sphaeria sulphurea Schw. Trans. Am. Phil. Soc. IL 4 : 193. 1832. 



Stroma broadly effused, forming irregular patches often several 

 cm. in diameter, at first consisting of small tufts of white my- 

 celium, the central part soon assuming a lemon-yellow color, at 



