Seaver: Hypocreales of North America 



57 



Specimens examined: Ohio, Morgan (type). 

 Distinguished by its habitat and the pecuhar ring-Hke forma- 

 tions of the stroma. 



Doubtful Species 



Hypocrea cervina Berk. & Curtis, Jour. Linn. Soc. lo: 376. 1869. 



" Stromate irregulari piano, margine obtuso hbero cervino sub- 

 tomentoso, intus subconcolori ; peritheciis superficialibus, ostioHs 

 quandoque elongatis cyhndricis ; sporidiis subglobosis octonis." 



On dead wood. Sporidia .00014 inch in diameter. Stroma 2 

 Hues across. 



Hypocrea laetior Berk. & Curtis ; Berk. Jour. Linn. Soc. 10 : 

 376. 1869. 



" Stromate orbiculari sublobato adnato laete cervino ; peri- 

 theciis immersis, ostioHs prominuhs nigris ; sporidiis subglobosis 

 16." 



" On dead wood. Sporidia .0002 inch in diameter, sixteen in 

 each ascus. Stroma 1-1.5 line across. Closely aUied to the 

 last" (H. cervina Berk. & Curtis). 



Hypocrea maculaeformis Berk. & Curtis ; Berk. Jour. Linn. Soc. 

 10 : 376. 1869. 



" Tenuis, umbrina, irregularis, ostiolis brunneolis notata ; peri- 

 theciis elongatis immersis." 



" On a hard lemon-coloured, fleshy Polyporus, which is prob- 

 ably much altered by the parasite. Forming thin map-like spots. 

 Sporidia .0004 inch long." 



Hypocrea ochroleuca Berk. & Rav. ; Berk. Grevillea 4: 14. 1875. 



" Effused, thin, ochro-leucous, seated on a pale mycelium, with 

 a barren border, often cracked when old." 



Hypocrea polyporoidea Berk. & Curtis, Grevillea 4: 15. 1875. 



" Fawn-coloured ; perithecia free, tomentose, with a naked 

 ostiolum seated on a pale crust, here and there elevated, which is 

 thin towards the margin. A very curious species." 



On beech, Alabama. 



Hypocrea armeniaca Berk. & Curtis, Hypocrea insignis Berk. 

 & Curtis, Hypocrea saccharina Berk. & Curtis and Hypocrea 

 parasitans were described from imperfect material. 



