18S 



Var. soluta {Sphaeria aolufa, C. & E. Grev. V, p. 54, tab. 80. fig-. 

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

 smaller (15-18 x4-5 [i). 



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

 field, N. J. 



Z. Sequoise, (PIowt.) 



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

 Zignoella Sequoiie, Sacc. Syll. 3670. 



Perithecia rather large, immersed, then snberumpent, 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 ji. 



On dead bark of Seqvoia gigantea, California. 



Z, cyrillicola, (B. & C.) 



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

 Melanonima cyrillicolum^ Sacc. Syll. 3267. 

 Conispharia cyrillicola, Cke. Grev. XVI, p. 87. 



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

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

 20 fx long. 



On Cyrilla, Xorth Carolina. 



Specimens from Pennsylvania (Michener) 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 parenchymatic, dense, sooty-black. Asci cylindrical, very 

 large, 200 x 10 //, 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 />e, not constricted, 

 hyaline, 4-nucleate. 



On rotten wood, Carolina (Ravenel). 



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

 Schw., in its spoi'idia. 



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



Perithecia small, 260-310 [i broad, depressed-hemispherical, 

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

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



