206 



i-idia imiseriate, elliptical, rounded at the ends, slightly consti'icted and 

 uniseptate in the middle, brown, 28 x 10 /i. 



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



A. conf6rta, (Schw.) 



SphcEvia confertula^ Schw. Syn, N. Am. 1508. 



Spharia conferla, Schw. Syn. Car. 187, Fr. S. M. II, p. 444, 



Byssosphesria {Ampkisphcsria) conferia, 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^. 



On dead Laurios Benzoin, North Carolina (Schweinitz). 



A, papillata, (Schum.) 



Spharia papillata, Schum. Enum. Ssell. II, p. i6i. 



Amphisphcerm 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 mati'ix, 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//. 



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



A. applankta, (Fr,) 



Sph€sria applanaia, Fr. S. M. II, p. 463. 

 Trematosphtzria appla-naia, Fckl. Symb. p. 162. 

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

 Exsicc. 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 /i. 



Frequent on decorticated trunks of Rohinia, Bethlehem, Pa. 

 (Schw.) 



A. WellingtoniJB, (Cke. & Hark.) 



Sphesria {Ampkisphceria) IVelUngtonics, Cke. & Hark. Grev. XIII, p. 19. 

 AmphisphcEria WellingtonieE^ Sacc. Syll. 6615. 



Perithecia gregarious, immersed, black, elongate-compressed, 



