Seaver: Hypocreales of North America 87 



ExsiccATi: Ellis & Everh. N. Am. Fungi i8^; Griffiths, W. 

 Am. Fungi, jp, i8^; Wilson & Seaver, Ascom. & Lower Fungi, 

 80. Other specimens examined: Delaware, Commons; Florida, 

 Tracy; Iowa, Holway; Missouri, Galloway; N. York, Clinton; 

 Mexico, {Holway f) ; Ohio, Morgan; S. Dakota, Griffiths, Wash- 

 ington, Piper; Wisconsin, Davis. 



The hosts cited above are given on the authority of the col- 

 lectors as the specimens in most cases are not sufficient for deter- 

 mination of the host. Mr. Peck also reports the species on 

 Carex sp. 



Hypocrella Sacc. Micheha i : 322. 1878 

 Stromata patellate or effused, bright colored, often becoming 

 darker with age, fleshy; perithecia immersed or with the ostiola 

 sHghtly protruding; asci cylindrical, 8-spored; spores filiform, 

 often many-septate and occasionally separating into segments. 

 Type species : Hypocrea discoidea Berk. & Broome. 



Hypocrella Tamoneae Earle sp. nov. 



Stromata scattered, hypophyllous, 1-1.5 mm. in diameter, black 

 (at least in aged specimens), suborbicular, crust-like, superficial; 

 perithecia crowded, prominent, finally collapsing, 200-250 mic. in 

 diameter; ostiola perforate, large, somewhat irregular; asci cy- 

 lindrical, short-stipitate, 80-100 X 7-8 mic. ; spores thread-like, 

 very slender, equalling in length the ascus, spirally coiled, about 

 80 X -75 mic. ; paraphyses numerous. 



On living leaves of Tamonea sp. 



Type locality: Porto Rico. 



Distribution : Known only from type locality. 



Specimens examined: Porto Rico, Underzvood & Griggs 

 (type). 



Doubtful Species 

 Hypocrella Sloaneae Pat. Duss. Enum. Champ. Guadel «& Mart. 

 80. 1903. 



Stromata ochraceous, whitish, hemispherical, 2-5 mm. in di- 

 ameter, covered with the perithecia; perithecia exserted, ovoid 

 of the same color with the ostiola brownish; asci elongated, 12-15 

 mic. in diameter; spores filiform, soon breaking into fusoid seg- 

 ments ; segments hyaline, 9-12 X 2-3 mic. 



On the under surface of leaves of a Sloanea. 



