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ing the wood. Ostiolum distinct, thick, at length perforated. The 

 perithecia, except the bare, black ostiolum, are clothed with a sub- 

 shining, light yellow-brown, villose-squaniulosc, pulverulent coat, which 

 finally becomes black. Sporidia (Grev. 1. a), lanceolate, 3-5-septate, 

 brown, 20-40 //. long. 



On decorticated wood, Bethlehem, Pa. (Schw.) 



M. Aspergrenii, (Fr.) 



Sphcsria Aspergrenii, Fr. in Kze. Mycol. Hefte, II, p. 40. 

 Melanomma Aspergrenii, Fckl. Symb. p. 159. 



Perithecia gregarious or scattered, of firm texture, superficial, or 

 with the base slightly sunk in the matrix, hemispherical, with a per- 

 forated, scarcely papilliform ostiolum, finally umbilicate-depressed, 

 black and shining. Asci cylindrical, stipitate, 8-spored. Sporidia 

 uniseriate, oblong, obtuse at the ends, 4-celled, scarcely constricted at 

 the septa, olivaceous, 12x4 fit. 



On decaying wood, Bethlehem, Pa. (Schw.) 



The diagnosis is from Winter. 



M. rubiginosum (Cke.) 



Byssosphceria (Melanomma) rubigitwsa, Cke. Grev. XV, p. 80. 



Perithecia gregarious, superficial, seated on a thin, filamentose, 

 brown subiculum, globose, dark rust-color, subrugose. Ostiolum impress- 

 ed. Asci clavate-cylindrical, 8-spored. Sporidia biseriate, lanceolate, 

 triseptate, constricted in the middle, hyaline, becoming pale-brown. 

 20-24x4-6 ft. 



On rotten wood, Poughkeepsie, New York (Gerard). 



M. ramincolum, (Schw.) 



Sphteria ramincola, Schw. in Herb. Berk. 

 Melanomma ramincola, Cke. Grev. XV, p. 83. 



Perithecia subcespitose, subglobose, finally collapsing, black, 

 opake. Asci clavate. Sporidia lanceolate, triseptate, brown, 25 x 6/<. 

 On Pinus pinea. 



M. inspissum, (Schw.) 



Sphceria inspissa, Schw. Syn> N. Am. 1566. 

 Melanomma inspissum, Cke. Grev. XV, p. 83. 



Perithecia very thickly scattered among the loosened, weather- 

 beaten fibres of the wood, and at first partly covered by them, but at 

 length bare, black, globose, rugose, with a papilliform deciduous ostio- 

 ium, very minute and finally collapsing. Sometimes cespitose-crowded, 

 24 



