188 



Var. soluta (Sphceria soluta, C. & E. Grev. V, p. 54, tab. 80. fig. 

 16), has the perithelia subovate, with the sporidia averaging rather 

 smaller (15-18 x4-5 ja). 



On exposed wood, both of coniferous and deciduous trees, New- 

 field, N. J. 



Z. SequoisB, (Plowr.) 



Sphteria Scquoice, Plowr. Grev. VII, p. 73. 

 Zignoella Sequcice, Sacc. Syll. 3670. 



Perithecia rather large, immersed, then suberumpent, seated on 

 bleached spots. Asci cylindrical. Sporidia hyaline, obscurely 3 -sep- 

 tate, slightly unequal, the upper half being the larger, 25-30 x 8-10 p. 



On dead bark of Sequoia gigantea, California. 



Z. cyrillicola, (B. & C.) 



Sphceria cyrillicola, B. & C. Grev. IV, p. 143. 

 Melanomma cyrillicolum, Saee. Syll. 3267. 

 Conisphceria cyrillicola, Gke. Grev. XVI, p. 87. 



Perithecia scattered, black, ovate, with an acute apex. Asci 

 elongated, linear. Sporidia lanceolate, slightly curved, 4-septate, 

 20 p long. 



On Cyrilla, North Carolina. 



Specimens from Pennsylvania (Miehener) have the sporidia a 

 little stouter, but of the same length. 



Cooke, in Grev. XVI, p. 87, places this with hyaline-spored 

 species. 



Z. macrasca, Sacc. Mich. II, p. 138. 



Perithecia scattered, semiimmersed, | mm. diam., globose-conical, 

 carbonaceous, black. Ostiolum papilliform, at length deciduous, 

 texture parenchyinatic, dense, sooty-black. Asci cylindrical, very 

 large, 200 x 10 ft, with a short stipe and surrounded by short (genuine)? 

 paraphyses, 8-spored, rounded and entire above. Sporidia obliquely 

 uniseriate, fusoid, slightly curved, 3-septate, 30 x 6 fi, not constricted, 

 hyaline, 4-nucleate. 



On rotten wood, Carolina (Ravenel). 



Sec. Cooke (Syll. 1. c.) this species approaches Sphceria picastra, 

 Schw., in its sporidia. 



Z. Immulina, Pk. Bull. N. Y. State Mus. No. 2, p. 24. 



Perithecia small, 260-310 p. broad, depressed-hemispherical, 

 slightly sunk in the matrix, subglabrous, black, with a minute, papil- 

 late ostiolum. Asci cylindrical, 60-70 x 8-10 //. Sporidia uniseriate, 





