SPH^EIACEI. 



793 



sporidia dark brown, usually somewhat curred. — Tul. Carp. 

 ii. p. 23, t. iii, /. 1-6. Hypoxylon iistulatum, Bull. t. 487,/. 1. 

 Berk. Outl. t. 24, f. 3. FcTcl. exs. no. 1063. Sph. maxima, Bolt. 

 ?. 181. Sow.t.Z^^. Tode.f.12^. Sj^h.deusta. Fr.S.M.ilp.o4:D. 

 Hojfm. t. i, f. 2. Eng. Fl. v. p. 240. Nees. f. 316. Fries, exs. no. 

 261. Moiig.exs.no.276. Mich. t. 54,/. 1. Grev. t. 324,/. 2. 

 Cwrr. Linn. Trans, xxii. ^ 46,/ 57. 



On rotten trunks. Common. [United States.] 



At first fleshy and pulverulent, at length naked, very brittle, 2-3 in. 

 broad. Sporidia (•0012--0016 in.) •03--04 m.m. {Fig. 378.) 



Gen. 343. HYPOXYLON, Fr. 



Convex or plane ; stroma corky 

 or brittle ; peritbecia immersed ; 

 sporidia ovate, or lanceolate, 

 curved, unsymmetrical, simple, 

 dark-coloured. — Fr. S. V. S. p. 

 383. Tul. Carp. ii.;9.30. 



(Fig. 379.) 



2382. Hypoxylon luteum. 



I'r. " Yellow Hypoxylon." 



Orbicular, cup-sbaped, black ; 

 Fig. 379. disc marginate, rugose ; stroma 



pulverulent, yellow ; peritbecia in many rows, emergent ; spori- 

 dia minute, elliptical, brown, generally nucleate. — Sjdi. lutea, A. 

 ^ S. t. 1,/ 1. Fr. S.M. i\.p. 347. Berk. Ann. N.H.no. 170. Curr. 

 Linn. Trans, xxii. ^.46,/. 56. 



On elder. Clifton, Notts. 



Sporidia (•0002-'0003in.) •005--007 m.m. 



2383. Hypoxylon succenturiatum. Fr. " Tode's 



Hypoxylon." 



Oblongo-pulvinate, immarginate, even, black, greyisb-brown 

 witbin ; peritbecia ovate, scattered, irregularly emergent ; asci 

 linear ; sporidia brown, uniseriate, oblong, obtuse. — B. ^ Br. 

 Ann. N.H. no. 830. Sph. succenturiata. Tode,f. 109. Fr. S.M. ii. 

 i).347. 



On oak. Sept. Weybridge. 



Sporidia COOOS-'OOOG in.) •0125--015 m.m. long. 



2l 5 



