SPH^EIACEI. 



797 



On rotten vrood. Appin. 



Sometimes the perithecia are scattered, or arranged in lines. Sporidia 

 (•0004--0005 in.) •01--0125 m.m. 



2393. 



Hypoxylon serpens. Fr. '• Creeping Hypoxylon." 



Effused, thin, flattened, black ; perithecia snbglobose, rather 

 prominent, papillate ; sporidia dark brown, irregularly elliptical. 

 Fr. S. V.Sp.p. 384. Sph. serpens, Fr. S.M.ii. p'^oU. Eng. Fl. y. 

 /). 239. Xees.f. 317,318. Fries, exs. no. 4:6. Mich. t. 55, /. 1. 

 Hoffm. V.C. t. 3,/. 1. FI. Dan. t. 2037./. 1. Sph. Crustacea, Sow. 

 t. ^12, f. 11, t. S7S,f. 10. Curr. Linn. Trans, xxii. t. -IG, /. 48. 

 Sph. conjluens, FcTcl. exs. no. 960. 



On dead wood. [United States.] 



At first clothed with thin, cinereous, mealy down, at length naked, 2-3 in 

 or more long. Sporidia ( 0004-"0005 in.) "Ol-'OISS m.m. 



2394. Hypoxylon uduxn. Fr. " Emergent Hypoxylon," 



Spermogonia. — Perithecia minute ; spermatea cylindrical, ob- 

 tuse, somewhat curved, hyaline. 



AscoPHORE. — Short, determinate, emergent, black ; perithe- 

 cia sub-ovate ; ostiola obtuse, unecjual ; sporidia almond-shaped, 

 or oblong-elliptic, olive-green, then dark, clear, transparent 

 brown.— i^r. .S'. VS.}-). 384. Sj)h. ncla, Fr. S.M. n.p. 358. Pers. 

 Syn. t. i.f. 11-13. Fries, exs. no. 324. F?}g. FI. v. p. 243. Curr. 

 Linn. Trans, xxii. /. 46, /. 61, 62. Hypoxylon semi-inunersum, 

 Fckl. exs. no. 2\11 . 



On rotten branches. [Mid. Carolina.] 



Sub-elliptic, parallel, 2-3 lines long, always furnished w4th a circumscrib- 

 ing black line. Very much resembling small scattered specimens of i/". str- 

 pens. Sporidia (•0006-*001 in.) '01o-'025 m.m. 



Gen. 344. NUMMULARIA, Tul. 



Stroma discoid. Perithecia im- 

 mersed, in separate cells. Spo- 

 ridia ovate or ovato-globose, 

 straight, simple, dark-coloured, 

 excluded in tendrils. — Tul. Carp. 

 u.p.4.2. (Fig.dSO.) 



Fig. 380. 



