146 



L. Ciesariata, (C. & P.) 



Sphceria Cczsariata, C. & P. 29th Rep. N. Y. State Mus. p. 60. 

 Lasiosphceria ccesariata, Sacc. Syll. 3541. 



Perithecia gregarious, about 300 /u diam. subglobose, papillate, 

 black, shining, beset with scattered, erect, rigid, septate, black hairs. 

 Asci cylindrical or clavate. Sporidia biseriate, narrowly' fusiform, 

 5-7 -septate, greenish, 37-42 ft long, each cell nucleate. 



On decaying wood, Portville, X. Y. (Peck). 



L. iiiutabilis, (Pers.) 



Sphceria mutabilis, Pers. Syn. p. 72. 



Lasiosphceria mutabilis, Fckl. Symb. Nachtr. I, p. 14. 



Perithecia scattered or crowded, tolerably large, spherical, black, 

 clothed except the large, black, projecting, papilliform ostiolum, with 

 a fine yellow-green tomentum which finally turns brown and disappears. 

 Asci clavate. Sporidia biseriate, curved, fusoid, 4-celled, hyaline, 20 fi 

 long. 



On rotten wood, Pennsylvania* (Michener). 



L. viridicoma, (C. & P.) 



Sphceria viridicoma, C. & P. 29th. Rep.N. Y. v State Mus. p. 64. 

 Lasiosphceria viridicoma, Sacc. Syll. 3546. 



Perithecia erumpent, then superficial, two or three together, ovate, 

 black, 75-100 /i diam., clothed with a dense, greenish tomentum. 

 Ostiola thick, prominent, naked. Asci clavate or cylindrical. Spo- 

 ridia biseriate, lanceolate, uniseptate and nucleate, becoming 3-septate 

 and deeply constricted at each septum, hyaline, 35-45 x 7 J 10 p, the 

 two middle cells nearly globose. 



On decaying beech wood, N. Y. (Peck). 



L. sublanosa. (Cke.) 



Sphceria sublanosa, Cke. Grev. VII, p. 41. 

 Metasphceria sublanosa, (Cke.) Sacc. Syll. 3439. 



Perithecia crowded, superficial or erumpent-superficial, ovate, 

 black, J-f mm. diam., seated on the bark or on the wood under the 

 bark, which is then thrown off, clothed at first with coarse, sparingly 

 septate, crisped, gray hairs, 80-150x5-7 /*, at length partially bald, 

 surface coarsely tubercular-roughened, especially above, and the apex 

 generally deeply and coarsely 3-4-sulcate-cleft. Asci lanceolate, short- 

 stipitate, 80-100 x 10-12 /jl, attenuated above, and at first with a knob- 

 like enlargement at the tip. Paraphyses indistinct. Sporidia biseriate, 





