146 



L. (sesariata, (C. & P.) 



Sphieria Casariata, C. & P. 29th Rep. N. Y. State Mus. p. 60. 

 LasiosphcEria ccesartata, Sacc, Syll. 3541. 



Perithelia gregarious, about 300 ji diam. subglobose, papillate, 

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

 Asci cylindrical or clavate. Sporidia biseriate, narrowly fusiform, 

 o-7-septate, greenish, 37^2 /j. long, each cell nucleate. 



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



L. mutabilis, (Pers.) 



SphcEria mutabilis, Pers. Syn. p. 72. 



Lasiospheeria tnuiabilis, Fckl. Symb. Nachtr. I, p. 14. 



Perithecia scattered or crowded, tolei'ably large, spherical, black, 

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

 a fine yellow-green tomentuiii which finally turns bi-own and disappears. 

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

 long. 



On rotten wood, Pennsylvania (Michener). 



L. viridicoma, ( C. & P.) 



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

 Lasiosphceria viridicoma, Sacc. Syll. 3546. 



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

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

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

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

 and deeply constricted at each septum, hyaljne, 3-5-45 x 7|-10 jx, the 

 two middle cells nearly globose. 



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



L. snblanosa. (Cke.) 



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

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



Perithecia crowded, superficial or erumpent-superficial, ovate, 

 black, \-l mm. diam., seated on the bark or on the wood under the 

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

 septate, ciii^pcd, gray hairs, 80-150x5-7 ji, at length partially bald, 

 surface coai'sely tubercular-roughened, especially above, and the apex 

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

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

 like enlargement at the tip. Para]ihyses indistinct. Sporidia biseriate, 



