130 FUNGUS-FLORA. 



Tympanis fraxini, Fr., Syst. Myc., ii. p. 174; Phil., 

 Brit. Disc., p. 355 ; Kehm, Krypt.-Flora, Disc., p. 266 ; Sacc., 

 Syll., viii. n. 2408. 



Erumpent in small clusters, sometimes solitary, at first 

 clavate and closed, then expanding and becoming turbinate, 

 disc plane, black, shining, margin sometimes slightly wavy, 

 about 1 mm. high and wide, rather horny; excipulum dark 

 brown, parenchyniatous, cells minute, indistinct ; asci cylin- 

 dric-clavate, apex rounded, wall thick, spores innumerable, 

 with a faint yellow tinge in the mass, continuous, about 

 2*5 X 15 //,; paraphyses numerous, longer than the asci, 

 very slender and hyaline below, branched, coloured olive- 

 brown, septate, and thickened at the tip to 6 /*, agglutinated 

 together; hypothecium dark brown. 



Peziza fraxini, Schweinitz, Syn. Fung. Carol. Sup-, in Act. 

 Soc. Nat. Lips., i. p. 129. 



On branches of Fraxinus excelsior, and other species of 

 ash. 



Specimen from Schweinitz, in Herb. Berk., Kew, examined. 



The swollen tips of the paraphyses readily break away, 

 and in this condition are described by Phillips. 



Tympanis alnea, Fries, Syst. Myc., ii. p. 174; Phil. 

 Brit. Disc., p. 355 ; Eehm, Krypt.-Flora, Disc., p. 268 ; Sacc., 

 Syll., viii. n. 2415. 



Erumpent, caespitose in clusters of 3-15 ascophores spring- 

 ing from a common stroma ; at first clavate and closed, then 

 expanding and becoming almost plane, somewhat marginate, 

 narrowed to a very short, stem-like base, blackish-brown, 

 somewhat horny, up to f mm. broad; hypothecium and ex-, 

 cipulum yellowish brown, formed of interwoven hyphae, 

 cortex pseudo-parenchymatous, cells small, dark brown; asci 

 cylindrical, apex rounded, base narrowed into a short slender 

 .pedicel, wall thick, spores innumerable, minute, smooth, con- 

 tinuous, cylindrical, straight or slightly curved, hyaline but 

 with a tinge of greenish-yellow in the mass, 2 5-3 x 1-1 * 5 ^ ; 

 paraphyses numerous, slender, septate, apex thickened, 

 brownish. 



Peziza alnea, Pers., Syn. Fung., p. 673. 



On alder. 



Spermogoma intermixed with the above, subconical or 



