416 



SPH^RONEMEI. 



Attached to creeping threads. 



Spores simple or uniseptate . . Asteroma. 



Perithecia spurious. 



Simple, never deficient above. 



Spores elongated Plilyctcena. 



Sometimes excipuliform. 



Spores elongated Discella. 



Multicellular. 



Spores minute ..... Cev,tTiospora> 



Spores quaternate, filiform . . . Erios^ora. 



Gen. 102. 



CONIOTHYRIU»I, Corda. 



Perithecium membranaceous, 

 bursting irregularly or trans- 

 versely ; spores simple, at 

 length free. — Berh. Outl.p.^1^. 

 {Fig. 148.) 



Fig. 148. 



1205. 



Coniothyrium gloxneratuxn. 



Coniothyrium."' 



Corda. " Clustered 



Tufts minute, black. Perithecia in heaps, convex, rugulose, 

 brown ; spores oblong, rounded at the extremities, colourless, 

 hyaline. — Corda. iv./. 108. B. ^' Br. Ann. N.H. no. 752. 



On elm planks. Nov. 



{Fig. 148.) 



Gen. 103. 



LEFTOSTIlOiyiA, Fr. 



Fig. 149. 



Perithecium membranaceous, 

 flat, breaking off at the base ; 

 spores simple, minute. — Berk. 

 Outl. J). 313. Fr, S.M. n.p. 597. 

 {Fig. 149.) 



1206. 



Leptostroxna caricinuxn. 



stroma." 



Fr, "Sedge Lepto- 



Subrotund, unequal, thin, opaque, entirely falling off, and 

 leaving a brown spot. — Fr. Ohs. ii. t. 7,/. 4. S.M. ii.p. 598. Eng. 

 Fl, Y.p. 297. FcU. exs. no. 186. Fl. exs, no. 383. 



On leaves of Car ices. [United States.] 



