HYMENOSCYPHA. loJ 



differs in the sporidia and the colour of the disc. This 

 is a common species in damp shady woods. 



Name Virgultum, a twig ; from the habitat. 



North Wootton, Norfolk! (Mr. C. B. Plowright). 

 Colwyn Bay, North Wales ! Shelton Rough, Shrewsbury ! 



32. Hymenoscyplta fructigena. (Bull.) 



Gregarious, tough, glabrous, pallid, becoming yellow- 

 ish ; cup patellceform ; stem long, thin, flexuous ; asci 

 cylindraceo-clavate ; sporidia 8, clavate or fusiform, 

 biguttulate, becoming pseudo-1 -septate, 15 17 X 3 4^u; 

 paraphyses filiform . 



Pezizti fructigena Ru\L, " Champ.," p. 263, t. 228 ; 

 Batsch., "EL," t. 150; Sow., t. 117; Pers., " Obs.," i. 

 ]>. 42; Nees, "Sys.," f. 292; Schum., " Saell.," p. 420; 

 A. and S., p. 331 ; Fries, " Sys. Myco.," ii. p. 118 (in part) ; 

 Karst, "Myco. Fenn.," p. 113; FckL, " Symb. Myco.," 

 p. 314 ; " Eng. Flo.," v. p. 201. Phialea fructigena- 

 GilL, "Champ," p. 99, c. i. 



Exs. Desm., "Crypt. Fr," ed. i. 1060, ed. ii. 460; 

 Cooke, "Fung. Brit.," 479, ed. ii. 392. 



On acorns, beech-mast, and chestnuts. 



The hymenium is usually white at first, afterwards 

 it becomes yellow ; the exterior dirty white ; the stem 

 is attenuated towards the base, not unfrequently minutely 

 pubescent ; the sporidia vary from clavate to fusiform, 

 straight or slightly curved, with two guttulae, becoming 

 uniseptate. 



Name Fructus, fruit, gigno, to bear ; growing on 

 fruit. 



Dinmore, near Hereford ! North Wales ! Forres, N.B. ! 

 (Dr. Keith). Scarborough ! (Mr. Massee). Colwyn Bay, 

 North Wales ! 



33. Hymenoscypha laburni. (B. and Br.) 



Cup shortly stipitate or sessile, concave or plane, 

 externally villose, furfuraceous, pale ; margin inflexed ; 

 hymenium ochraceous, bright-coloured ; asci cylindraceo- 

 clavate ; sporidia 8, fusiform, sub-acute or clavate, 2 to 



