ELVELLACEI. 



723 



Breaking through, the bark in small fascicles, consisting of a few indi- 

 ▼iduals only, which increase in breadth from the base ; margin prominent, 

 obtuse, flexuous ; disc opaque, rather soHd, punctato-rugose.— i^ries. 



2186. Tympanis conspersa. Fr. " Apple Tympanis." 



Caespitose, at first closed, sph^erifeform, naked, black, soon 

 open, whitish and pulverulent from the fragments of the broken 

 veil. — Fr. S.M. ii. p. lib. Grev. t. 335. Berk. exs. no. 160. Ust. 

 Ann. i. t. i,/. 6. Fchl. exs. no. 769. Nees.f. 231. Eng. Fl. v. p. 

 211. Ti^/. Arin. »S'c.iYa^. XX, (1853), i. 16, /. 15-16. Cenangium 

 conspersum. Fckl. Sym. Myc,p. 272. 



On apple, hawthorn, &c. [Mid. Carolina.] 



2187. Tympanis ligustxi. Tnl. '* Privet Tympanis." 



Sessile, subelongated, rather shining, black ; disc concave, 

 marginate ; asci broadly cylindrical ; sporidia, minute, ovate, or 

 ovate-oblong, numerous. — Tul. Carp. \i\. p. lo4:. T.saligna. Fr. 

 S.M. ii. p. 176 (in part.) Tode i. t. 4, /. 57. Ann. N.H. no. 584. 

 Fckl. exs. no. 767. Berk. Outl. t. 1,/. 10. Eahh. exs. no. 229. 

 Cenangium ligustri. Fckl. Sym. Myc. p. 2Qii. 



On privet. 



"A very curious circumstance has occurred in this species. In the same 

 hyraenium the fruit of a Di^lodia and that of a Tympanis were present." — 

 B. d: Br. 



Gen. 303. 



CENANGIUM, Fr. 



Eeceptacle coriaceous, 

 closed at first, then open, 

 marginate, covered with 

 a thick cuticle ; hyme- 

 nium persistent. — Fr. S. 

 3I.ii.p.l78. Berk. Outl. 

 p. 374. (Fig. 38- ^ 



■6..) 



Fr. " Currant Cenangium," 



Fig, 337. 

 2188. Cenangium xibis. 



Ceespitose, nearly naked, blackish-brown, cup subturbinate, 

 margin fimbriate, sub-connivent ; disc pallid ; stems connate, in 

 a tubercle; asci linear, obovate; sporidia crowded, linear, clavate, 

 straight at length 3-6 septate. —Fr. S.M. n.p. 179. Schm. exs. 

 no. 75. Fries, exs. no. 131. Fckl. exs. no. 2277. Ann.N.H.no. 

 585. Tul. Ann. Sc. Nat.xx. (1853), t. 16,/. 9-11. Tul. Carp. HI 

 J9, 164, ^,19,/. 1-9, 



On currant twigs, 

 Sporidia 'OSo-'OSS m.m. long, 'OOl-'OOS m.m. broad. 



