TYMPANIS. 355 



s. Moug. and Nest., No. 789. 

 On dead branches of mountain ash. 

 Name Aucuparia, the specific name of P-yr-us 

 aucuparia, on which it grows. 

 Craiglockhart (Dr. Greville). 



7. Tympanis Fraxini. (Schwz.) 



Caespitose, in elongated erumpent groups ; cups sub- 

 sessile, turbinate-truncate, shining, black ; hymenium 

 plane, rugose, marginate; asci broadly clavate ; sporidia(?) 

 innumerable, extremely minute ; paraphyses filiform, 

 slender. 



Peziza Fraxini Schwz., " Synop.," No. 1262. Tym- 

 panis Fraxini Fries, " Sys. Myco.," ii. p. 174 ; " Eng. 

 Flo.," v. p. 210 ; Cooke, " Handbk.," No. 2185. Cenan- 

 gium Fraxini Tul., "Ann. Sc. Nat./' 1853, p. 140. 



Exs. Libert, No. 1029 ; Roumg., " Fung. Gal," 1272. 



On branches of ash. Winter and spring. 



Name Fraxinus, the generic name of the host- 

 plant. 



Appin (Capt. Carmichael). 



8. Tympanis alnea. (Pers.) 



Csespitose, bursting through the bark in rounded 

 groups, shortly stipitate, brownish -black, somewhat 

 horny ; hymenium plane or slightly concave, sub- 

 marginate ; asci cylindraceo-clavate ; sporidia (?) in- 

 numerable, extremely minute ; paraphyses filiform, 

 spender, adherent, brown at the summits. 



Spermogonia intermixed with the above, subconical 

 or oblong-ovate, opening by a minute pore. Spermatia 

 extremely minute, born on slender branched sporo- 

 phores. 



Peziza alnea Pers., " Syn. Fung.," p. 673 ; " Myco 

 Eur.," p. 325. Tympanis alnea Fries, " Sys. Myco. " ii. 

 p. 174; "Elench," p. 18; " Eng. Flo.," v. p. 210; Cooke, 

 " Handbk.," No. 2184 (in part.) Cenangium alneum- 

 Fckl., " Symb. Myco.," p. 271 (?). 



