201 



finally erumpent and mostly superficial, of firm, often carbonaceous 

 texture, bald, with a small ostiolum. Asci paraphysate, 8-spored. 

 Sporidia uniseptate, brown. 



A. atrograna, (C. & E.) 



Sphfsria (Psilosphezria) atrograna, C. & E. Grev. VIII, p. 15. 

 Amphisphczria atrograna^ Sacc. Syll. 2734, 



Perithecia thickly gregarious, depressed-globose, rough, black, 

 subcarbonaceous, pierced above. 110--120 //. diani. Asci cylindrical, 

 sessile, paraphysate, 40-45x6-7 . Sporidia uniseriate or subbi- 

 seriate, ovate-elliptical, brown, uniseptate. 9-12x4-5 p. (12-14x5 //.. 

 Cke.) 



On rotten wood of Litjiudambar, Malaga, X. J. 



The surface of the wood is blackened. 



A. bispherica, ((\ & E.) 



Sphceria bispherica, C. & E. Grev. VII, p. 41. 

 Amphisph&ria bispherica, Sacc. Syll. 2724, Cke. Syn. 3432. 



Perithecia gregarious, semiimmersed, gravish-black. somewhat 



c? cj */ 



Battened, 175-200 n diam. 'Ostinlum indistinct, Asci cylindrical, par- 

 a]liysate, subsessile, 100-120x5-6 J M. Sporidia uniseriate, pale brown. 

 uniseptate and constricted, cells subglobose or conical, 10-12x4-5 it 

 (12x7 /A Cke.) 



On decorticated wood of apple tree limbs, Xewfield, X. J. Xot 

 abundant. 



A. iiimistans, E. & E., in \\Ybbers Cat. Fl. Nebraska, 1889, p. 53. 



Amphisph&ria saprcgena, E. & K. (in Herb.) 



Perithecia gregarious or scattered, ovate-globose, roughish, 250- 

 300 n diam., with a papilliform or obtusely-conical ostiolum, texture 

 subcarbonaceous, base sliffhtlv sunk in the wood, which is blackened 



o *) 



and overrun with a species of Detidryp 1> nun (I), crustaceum. E. A* E.I 

 having simple, septate, erect liypha? 90-115x7-8 p, liearing terminal, 

 sultcatenulate, oblong or cylindrical, 2-4-septate, 25-45x10-12 a 

 conidia. Sometimes the hyphir are branched above, the short, spread- 

 ing branches also bearing conidia. Asci sessile, paraphysate, oblong- 

 cylindrical, 70-75x12-15 IJL. Sporidia biseriate. clavate-oblong, often 

 slightly curved, uniseptate. brown, 22-27x7-8 //. 



On rotten wood, Xeln-aska (Webber), and Kansas (Kellerman). 



The Kansas specimens (A. saprogena, E. & K.) are not accom- 



])anied l)v anv conidial growth. 



/ 



26 



