SPH^EIACEI, 855 



On decaying wood. Common. [Low. & Mid. Carolina.] 



Scattered or densely gregarious, brittle, the base immersed in the matrix, 

 subiculum sometimes present on one part of the wood, and wanting on an- 

 other. Sporidia (•002--0026 in.) •05--06m.m. 



%* Sporidia lijaline. 



2554. Sphaezia tristis. Tode. " Black nestling Sphferia." 



Perithecia crowded, globose, pnnctato-riigulose, collapsed, 

 moutliless, black, seated ona strigose subiculum ; sporidia minute, 

 oblong, curved, biseptate, or trinucleate. — Tode.f. 67. Pers.Ic, 

 4" Des. 1. 12, f. 5, 6. Fr. S.M. ii.p. 444. Fries. exs. wo. 386. Fng. 

 Fl.Y.p. 260. Ann.N.H. no. 618* 181. Curr. Linn. Trans, xxii. 

 t. f)l ,f. 11 (?) CooJce exs. no. 269. 

 On dead sticks. 



Resembling at first sight one of the larger Helminthosporia. Perithecia 

 minute, collapsing. 



2555. Sphaeria biforxnis. Pers. " Two-formed Spbaeria." 



Perithecia subovate, slightly tuberculate, black, clothed with 

 strigose hairs of the same colour; ostiola somewhat elongated. — 

 jPers. Syn. t. 2, / 14. Ic. Pict. t. 24,/. 4. Fr. S.M. ii. p. 448. 

 Eng.rLy.'p. 261. 



On wood. 



var. p. terr-estris. Perithecia crowded, seated upon a crust- 

 like, strigoso-villous subiculum. Soiu. t. 373, f. 7. Eng. Fl.Y.p. 

 261. 



On the nak&d earth. 



2556. Sph^jeziainvestans. Coohe. " Investing Sphseria." 



Gregarious;, or scattered, globose, papillate, brown- black, erum- 

 pent, throwiug off the cuticle, seated ujoon, and at first covered 

 by a dirty-brown woolly subiculum, at length the up|)er portion 

 of the perithecia naked ; sporidia broadly lanceolate, UDiseptate, 

 of two opposed cones, constricted at the septum, surrounded by a 

 broad hyaline membrane, each cell with a large basal, and small 

 apical nucleus, hyaline. 



On rotten twigs. Shere. (Dr. Capron.) 



The outline of the investing membrane of the sporidia is broadly lanceo- 

 late, and not constricted, length (■000§-'0009in.) 



