201 



finally ertimpent and mostly superficial, of firm, often carbonaceous 

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

 Sporidia imiseptate, brown. 



A. atrogrkna, (C. & E.) 



SphcSria {Psilosphesria) airograna, C. & K. Grev. VIII, p. 15. 

 AmphisphcEria atrograna, Sacc. Syll. 2734. 



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

 subcarbonaceous, pierced above, 110-120 [i diam. Asci cylindrical, 

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

 seriate, ovate-elliptical, brown, uniseptate, 9-12x4-5 /i (12-14x5 /^, 

 Cke.) 



On rotten wood of Liquidambar, Malaga, N. J. 



The surface of the wood is blackened. 



A. bispherica, (C. & E.) 



Spharia- bispherica^ C. & K- Grev. VIT, p. 41. 

 Ampkispharia bispherica, Sacc. Syll. 2724, Cke. Syn. 3432. 



Perithecia gregarious, semiimmersed, grayish-black, somewhat 

 flattened, 175-200 pt diam. Ostiolum indistinct. Asci cylindrical, par- 

 aphysate, subsessile, 100-120x5-6 ,u. Spoi-idia uniseriate, pale brown, 

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

 (12x7 /i, Cke.) 



On decorticated wood of apple tree limbs, Newfield, N. J. Not 

 abundant. 



A. incriistans, E. & E., in Webber's Cat. Fl. Nebraska, 1889, p. 53. 



Amphisphceria saprogena, E. & K. (in Herb.) 



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

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

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

 and overrun with a species of Dendryphium {D. crustaceum, E. & E.) 

 having simple, septate, erect hyphse 90-115x7-8 //, bearing terminal, 

 subcatenulate, oblong or cylindrical, 2-4-8eptate, 25-45x10-12 // 

 conidia. Sometimes the hyph« are branched above, the short, spread- 

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

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

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



On rotten wood, Nebraska (Webber), and Kansas (Kellerman). 



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

 panied by any conidial growth. 

 26 



