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



" Stromate irregulari piano, margine obtuso Hbero cervino sub- 

 tomentoso, intus subconcolori ; peritheciis superficialibus, ostiolis 

 quandoque elongatis cyhndricis ; sporidiis subglobosis octonis." 



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

 lines across. 



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



376. 1869. 



"Stromate orbiculari sublobato adnato laete cervino; peri- 

 theciis immersis, ostiolis prominulis nigris; sporidiis subglobosis 

 16." 



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

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

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



Hypocrea maculae formis 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. 



