368 FUNGUS-FLORA. 



LacJinella siparia, Phil., Brit. Disc., p. 276 ; Sacc., Syll., viii. 

 n. 1629. 



On decorticated elm branches. 



In clusters of 2-3. Remarkable for the structure of the 

 ascophore, which consists entirely of interwoven hyphae, and 

 no trace of parenchymatous tissue. Sometimes the hyphae 

 extend on to the matrix, and form more or less of a subi- 

 culum. 



Type specimen examined. 



Growing on ferns. 



Dasyscypha pteridis. Mass. 



Scattered or gregarious, sessile, globose and closed at first, 

 then hemispherical, soft, about i mm. across ; disc dingy 

 yellowish-brown, externally blackish-brown, often with an 

 olive tinge, minutely pilose, hairs aclpressed, short, those at 

 the margin longest, thin-walled, cylindrical, obtuse, brown, 

 usually without septa, 1835 X 3 4 /A, but irregular in length 

 and giving the margin a minutely finibriated appearance ; 

 cortical cells elongated in the direction from base to margin, 

 and running out into the marginal hairs, 6-8 X 3-4 p. ; asci 

 small, clavate, apex narrowed and thick-walled, base short 

 and stout, 8-spored ; spores 2-seriate, hyaline, elliptic-oblong, 

 6-7 X 1 ' 5 p. ; paraphyses cylindrical, slender. 



Peziza pteridis, Alb. & Schw., Consp. Fung., p. 328, t. 12, 

 fig. 7. 



Lachnella pteridis, Phil., Brit. Disc., p. 256, pi. viii. fig. 47. 



Trichopeziza pteridis, Sacc., Syll., viii. n. 1745. 



On dead stems of bracken. 



Distinguished by its small size, very short hairs, dark 

 colour, and growing on bracken. 



Specimens in Phil., Elv. Brit., n. 32, and Kehm, Ascom., 

 n. 411, examined. 



Dasyscypha grisella. Sacc., Syll., viii. n. 1945. 

 Scattered or gregarious, narrowed below into a very short, 

 stout, stem-like base, globose and closed at first, then ex- 

 panding and becoming saucer-shaped; disc greyish, often 

 with a tinge of brown or yellow, externally covered with 

 delicate, pale brown or almost hyaline, mostly septate, obtuse 



