356 The North American Cup-Fungi 



black, leathery to horny, softer when moist; hymenium black, 

 at first concave, becoming plane to convex; asci cylindric-clavate, 

 short-stalked, 8-spored, reaching a length of 50-75 /x, and a 

 diameter of 8-12 ju; spores ellipsoid fusoid, hyaline, becoming 

 slightly yellowish, straight, or slightly curved; simple, or 1- 

 septate, 3.5-5.5 X 14-18 /x; paraphyses, h>'aline, filiform, much 

 branched, 1.5-2 /x in diameter, the tips swollen to 3 ^i and glued 

 together, forming a yellowish cpithecium. 



On various species of Viburnum. 



Type locality: Hatchley, Ontario. 



Distribution: Vermont and Ontario, Canada. 



Illustrations: Mycologia 32: 737. /. G, II; 38: 379, /. 24; 

 386, /. 38; 398, /. 49. 



ExsiccATi: Ellis, N. Am. Fungi 337 (as Sphaeronema hys- 

 tricinum); Reliq. Farlow. 19Ha, 198b (as Sphaerographium 

 hystricinum). 



5. Dermea Peckiana (Rehm) Groves, Mycologia 29: 67. 1937. 



Cenangium Peckianiim Rehm, Ann. Myc. 13: 3. 1915. 



Sphaeronema stellatum Ellis, Bull. Torrey Club 6: 107. 1876. 



Sphaerographium stellatum Sacc. Syll. Fung. 3: 598. 1884. 



Micropera Nemopanthis Peck, Ann. Rep. N. Y. State Mus. 46: 31. 1893. 



Micropera stellata Jacz. Nouv. Mem. Soc. Imp. Nat. Moscow 15: 366. 1898. 



Conidial stage erumpent, rounded, often somewhat capitate, 

 circular to more or less transversely elongated, .5-2 mm. in 

 diameter, 1 mm. high, upper surface uneven and wrinkled around 

 the openings of the cavities, pale-yellowish to black, often with a 

 greenish cast, subfleshy, softer than the apothecia; conidiophores 

 hyaline, cylindric, sometimes branched, tapering above, 2-2.5 X 

 20-40 ju; conidia hyaline, elongate-fusiform to subfiliform, 

 sickle-shaped, ends pointed, becoming 1-3-septate, 2.5-4.5 X 

 40-60 m; microconidia hyaline, filiform, straight, or curved, 

 simple, 1.5 X 8-13 ju. 



Apothecia arising from the old conidial stroma, cespitose in 

 clusters up to fifteen each, .3-. 8 mm. in diameter, circular, or 

 undulated, narrowed below, dark-brown to black; asci cylindric- 

 clavate, tapering below, 8-spored, reaching a length of 75-110 m 

 and a diameter of 9-12 n\ spores ellipsoid-fusiform, hyaline to 

 pale-yellow, straight, or slightly curved, becoming 1-3-septate,. 

 3-4 X 12-18 ju; paraphyses hyaline, filiform, simple, or branched 

 1.5-2 /x in diameter, the tips swollen to 3-5 n and glued together 

 forming a yellowish epithecium. 



