722 



ELVELLACEI. 



sporidia minute, oblon.c^-elHptic, hyaline, simple.— /V. S.V.S.p. 

 366. Berk. OvtJ. p. 373. Stictis sphceralis, Fr. SM. ii. p. 194. 

 Eng. Fl. V. ;7. 213. Fdd. exs. no. 2066. 



On dead branches of ash. Winter. {Fig. 335.) 



Gen. 302. 



TYMPANIS, Tode. 



Receptacle margined, cyathi- 

 form, horny ; hymenium at first 

 veiled, then breaking up. — Fr. 

 S.M. ii. p. 173. Berh. Outl. p. 

 373. {Fig. 336.) 



2183. Tympanis frangulae. 



F7\ " Buckthorn Tympanis." 



Sessile, turbinato-truncate, 

 roundish, opaque, blackish; disc 

 umber, margin sub-obliterated; 

 Fig. 336. asci broadly cylindrico-oblong, 



very obtuse; sporidia ovate or 

 ovate-oblong, at length 3-4 sejDtate, brown. — Fr. S.M. \i. p. 11^. 

 Fckl.exs.no. 764. Der7nateafrangulce,Tul. Carp.\\\.p. 161. Ann. 

 Sc.Nat. XX (1853), 1. 16,/. 1-8. Peziziculafrangulce. Fckl. Sym. 

 Myc.p. 21^, t. 4,/. 46. 



On Rhamnus frangula. Shere (Surrey), and Highgate (Mid- 

 dlesex). 



The stylosporoTis condition is not uncommon late in the autumn, and 

 during winter J the ascigerous state was collected in April. (Fig. 336.) 



2184. Tympanis alnea. Pers. " Alder Tympanis." 



Substipitate, opaque, blackish-umber ; cups subflexuose, ob- 

 soletely marginate ; asci oblong ; sporidia filiform, continuous. 

 —Fr. S.M. ii. p. 174. Fng. FI.y. p. 210. Fckl. exs. no. 768 

 Cenangium alneum. Fckl. Sym. Myc. 



On alder. Appin. 

 Minute, at first resembling a csespitose Sphceria, externally brownish. 



2185. Tympanis fraxini. Schm. " Ash Tympanis." 



Subsessile, turbinato-truncate, shining, black ; disc plane, 

 rugose, marginate. — Fr. S.M. ii. p. 174. Ffig. Fl. v. p. 210. 

 Cenangium fraxini. Tul.Ann /S'c. iV^ai. xx.p. 140. Fckl. exs.no. 

 1125. 



On ash branches. Winter and spring. [Mid. Carolina.] 



