794 SPH^RIACEl. 



2384. Hypoxylon concentricum. Grev. " Concentric 



Hy poxy Ion." 



Large, sub-globose, brownish, at length black, concen- 

 tricallv zoned within ; perithecia oblong, immersed in the 

 periphery ; sporidia dark brown, elliptical, or irregular, some- 

 times with a large nucleus. — Tul. Carp. ii. p. 31, t. xiii./. 11-16. 

 Grev. t. 324, f.i. Berk. Oatl.p.3S(). Curr. Linn. Titans, xxy. t. 

 45,/. 32. Sph. concentrica, Fr. S.M.u.p. 331. Bolt. 1. 180. Fries. 

 exs.no. 141. Fng. Fl. v. p. 236. Nees.f. 308. Ehr. Hor. Bev. t. 

 18,/. 8. Fl.DaJi.20S6,f.2. SchcFff.L32d. Tode. 1. 17, f.lbO. 

 S.fraxinea, Sow. 1. 160. 



On old ash trees. Common. [United States.] 



Oft^n 2-3 in. broad, easily known by its zoned stroma. Sporidia ("0005 

 in.) "0125 m.m. 



2385. Hypoxylon coccineum. BuU. '* Reddish Hypoxylon." 



CoNi Di A , — Gregarious, fasciculate , somewhat branched, umber, 

 branches straight, sub-tomentose, — Isaria umhrina, Per's. Syn.p. 

 689. Eng. FI. Y. p. 236. Lycoperdon acariforme, Sow.t.l46. In- 

 stitale acariforme, Fr. S.M. \\\. p. 210. Bav. exs. V. no. 82. An- 

 thinajlavo-virens, Fr. S.M. iii. p. 284. 



AscoPHORE. — Globose, yermillion-brown, bright black within ; 

 perithecia ovate ; ostiola at length prominent ; sporidia dark 

 opaqnebrown, elliptical or arcuate. — Bull. p. 174, t. 495,/. 2. Tul. 

 Corp. ii. p. 34, f. iv./. 1-6. Berk. Outl. p. 386. Grev. t. 136. 

 Fckl. exs. no. 1056. S. fragiformis, Fr. S.3J. ii. p. 332. Pers. 

 Syn.t.lJ.1-2. Eng.Fl.Y. p. 236. Ann. Bot.t.2,f.6. Nees.f. 

 309. ScJwi. 31. H. t. i.f. 20. Fries, exs. no. 41. Moug. exs. no. 273. 

 Curr. Linn. Trans, xxv. t. 45,/. 30. S. radians, Tode,f. 101. Lye. 

 variolosum, Sow. t. 271. 



On beech, &c. Common. [Mid. & Up. Carolina.] 



Generally round, and about the size of a pea, but when growing on the 

 trunk of % tree sometimes of considerable size and thickness, from many 

 individuals becoming conflupnt ; at first pale pruinose, then bright rust- 

 colourtd, bordering on vermillion, gradually becoming tuberculated, when 

 old of a ferruginous black.- M.J.B. 



Sporidia (-0006 in.) '015 m.m. {Fig. 379 ) 



2386. Hypoxylon multiforme. Fr. " Variable Hypoxylon." 



Irregular, at first rugose, rusty -brown, at length naked, black, 

 cinereous-black within ; perithecia sub-globose, at length prom- 

 inent, papillate; sporidia rich yellowish -brown, elliptical, fre- 

 quently slightly curved. — Fr. S. V.S.p, 384. FcJd. exs. no. 1052. 



