206 



ridia imiseriate, elliptical, rounded at the ends, slightly constricted and 

 imiseptate in the middle, brown, 28 x 10 ft. 



On bark of Quercus alba. North Carolina (Curtis). 



A. conferta, (Schw.) 



Sphceria confertula, Schw. Syn. N. Am. 1508. 



Sphceria conferta, Schw. Syn. Car. 187, Fr. S. M. II, p. 444. 



Byssosphceria {Amphisphceria) conferta, Cke. Grev. XV, p. 81. 



Perithecia crowded, globose, granular, depressed at the apex and 

 subpapillate, very black, seated on a radiate-fibrose, creeping my- 

 celium. When the perithecia occur singly, seated in the center of the 

 radiate subiculum, they present a very elegant appearance. Sporidia 

 (sec. Cke. Grev. XV, p, 81) uniseptate, brown, obtuse at the ends, 

 constricted in the middle, 12x4 /jl. 



On dead Laurus Benzoin, North Carolina (Schweinitz). 



A, papillata, (Schiim.) 



Sphceria papillata, Schutn. IJnum. Ssell. II, p. 161. 



Amphisphceria papillata, De Not. Sfer. Ital. 68, fig. 71, Sacc. Myc. Ven. Spec, 

 p. 112, tab. XI, fig. 24. 



Perithecia scattered or sometimes 2 or 3 confluent, half sunk in 

 the matrix, spherical, depressed around the papilliform ostiolum, about 

 1 mm. diam., hard, smooth, dark brown, clothed with a thin, floccose 

 coat. Asci cylindrical, 8-spored, with filiform paraphyses. Sporidia 

 elliptical, sometimes rather acute at the ends, uniseptate, brown, not 

 constricted, 15x8 jut. 



Common on wood of Salix, Bethlehem, Pa. (Schw.) 



A. applanata, (Fr,) 



Sphceria applanata, Fr. S. M. II, p. 463. 

 Trematosphceria applanata, Fckl. Symb. p. 162. 

 Amphisphceria applanata, Ces. & De Not. Schema. 224. 

 Fxsicc. Fckl. F. Rh. 932. 



Perithecia scattered, black, innate-superficial, flattened at base, 

 smooth, convex, at length collapsing to plano-concave, rugose under 

 the lens, sometimes confluent. (Asci)? Sporidia oblong, unequally 

 uniseptate, upper cell smaller, lower larger and ventricose, acuminate, 

 24x8/^. 



Frequent on decorticated trunks of Robinia, Bethlehem, Pa. 

 (Schw.) 



A. Wellingtoniae, (Cke. & Hark.) 



Sphceria {Amphisphceria) Wellingtonice, Cke. & Hark. Grev. XIII, p. 19. 

 Amphisphceria Wellingtonice, Sacc. Syll. 6615. 



Perithecia gregarious, immersed, black, elongate-compressed, 



