HYMENOSCYPHA. 139 



C. SPORIDIA FUSIFORM, NARROW. 



(a) On wood. 

 37. Hymenoscypha aurea. (Pers.) 



Cup stipitate, concave, or plane, fleshy, darkish- 

 yellow, glabrous, except at the base of the slender, rather 

 long stem, which is tomentose and white ; asci cylindraceo- 

 clavate ; sporidia 8, fusiform or oblong- fusiform, simple 

 or pseudo-septate, 9 — 10 X 1 — 2/x ; paraphyses filiform, 

 slender, sometimes branched. 



Helotium aureum — Pers., " Syn. Fung.," p. 678 ; A. 

 and S, p. 350; Fries, " Sys. Myco.," ii. p. 156; Gill., 

 "Champ.," p. 155. 



On decorticated wood, especially pine. 



Cup about J to 1 line broad; stem about 1 to 1J lines 

 long, gregarious, slender, but firm. 



Name — Aureus, golden ; from the colour. 



Near Shrewsbury ; Carlisle ! (Dr. Carlyle). 



38. Hymenoscypha emergens. Cooke and Phil. 



Scattered or fasciculate, emerging from beneath the 

 bark ; cups hemispherical or infundibuliform, stipitate, 

 glabrous, pale ochraceous ; hymenium darker ; margin 

 entire ; stem flexuose, tapering downwards ; asci cylin- 

 drical, or cylindraceo-clavate ; sporidia fusiform, simple, 

 straight or slightly bent, 12 — 14 X 1 — 12/*; paraphyses 

 not seen. 



On dead branches of a tree, emerging from beneath 

 the bark. 



Cup i to f line broad ; height, including stem, J to 

 f line. 



Name — Emergo, to issue ; from its habit of growth. 



Scotland ! (Capt. Carmichael in Kew Herb.). 



39. Hymenoscypha concolor. Phil. 



Cup hemispherical, thin, firm, pallid or dirty white ; 

 externally pruinose ; hymenium pallid-brown ; margin 

 minutely fimbriate ; stem short, rather stout ; asci cylin- 



