360 The North American Cup-Fungi 



9. Dermea Padi (Alb. & Schw.) Fries, Summa, Veg. Scand. 362. 

 1849. 



Peziza Cerasi Padi Alb. & Schw. Consp. Fung. 345. 1805. 

 Cenangium Cerasi Padi Fries, Syst. Myc. 2: 180. 1827. 

 Tympanis Padi Quel. Ench. Fung. 330. 1886. 

 Cenangium Padi Sacc. Michelia 2: 84. 1880. 

 Sphaeria padina Sacc. Michelia 2: 84. 1880. 



Sphaeronema briinneoviride Auersw.; Sacc. Syll. Fung. 3: 186. 1884. 

 Cryptosporium hriinneoviride Jacq. Nouv. Mem. Soc. Imp. Moscow 15: 369. 

 1898. 



Conidial fruiting bodies erumpent, mostly single, occasionally 

 two or three in a cluster, cylindric to conic, .5-1.3 mm. in height 

 and .2-. 5 mm. in diameter, opening at the tip, dark reddish- 

 brown to black, leathery to horny, softer when moist, the basal 

 stroma containing one cavity in which the conidiophores are 

 produced; conidiophores cylindric, tapering to a slender point, 

 2-3 X 25-50 fi; conidia elongate, fusiform to subfiliform, pointed 

 at the ends, sickle-shaped to almost straight, simple, or 1 -septate, 

 hyaline, 2.5-4 X 20-35 ju; microconidia hyaline, bacilliform, 

 straight, or slightly curved, simple. 



Apothecia erumpent, single, or cespitose in clusters of two to 

 six, sessile, narrowed below, circular, or undulated, .5-1.5 mm. 

 in diameter and about .3-1 mm. high, dark reddish-brown to 

 black, leathery to horny, softer when moist, hymenium at first 

 concave, then plane to convex, black, or dark-brown; asci 

 cylindric-clavate, tapering to a short stalk, 8-spored, reaching a 

 length of 85-100 ^u and a diameter of 15-15 y.; spores ellipsoid- 

 fusoid, hyaline, becoming yellowish, straight, or slightly curved, 

 simple, or 1-3-septate, 5-7 X 15-20 m; paraphyses hyaline, fili- 

 form, simple, or branched, 1.5-2 ii in diameter, the tips swollen 

 to 3 /i and glued together forming a yellowish epithecium. 



On species of Pruniis, P. domestica, P. Padus, P. spinosa, P. 

 virginiana. 



Type locality : Europe. 



Distribution : New York, also in Europe. 



Illustrations: Mycologia 38: 366, /. J, 4; 383, /. 29; 395, 

 f.44. 



10. Dermea Prunastri (Pers.) Fries, Summa Veg. Scand. 362. 

 1849. 



Peziza Prunastri Pers. Tent. Disp. Fung. 35. 1797. 

 Ceratostoma spurium Fries, Obs. Myc. 2: 338. 1818. 



