286 FUNGUS-FLORA. 



Gregarious or scattered, staining the wood on which they 

 grow deep verdigris green ; ascophore at first turbinate and 

 closed, then expanding, the margin usually wavy and more 

 or less irregular, flexible, glabrous, even, somewhat con- 

 tracted and minutely wrinkled when dry, every part deep 

 verdigris-green, the disc often becoming paler and with a 

 tinge of tan colour, 1-4 mm. across ; stem 1-3 mm. long, 

 expanding into the ascophore ; hypothecium and excipulum 

 formed of interlaced, hyaline hyphae 3-4 /x thick, these 

 become stouter and coloured green in the cortex ; asci 

 narrowly cylindric-clavate, apex slightly narrowed, 8-spored ; 

 spores irregularly 2-seriate, hyaline or with a very slight 

 tinge of green, very narrowly cylindric-fusiform, straight or 

 curved, 10-14 x 2* 5-3* 5 /x, 2-guttulate, or with several 

 minute green oil globules ; paraphyses slender, with a tinge 

 of green at the tip. 



Helvella aeruginea, Oed., Fl. Dan., tab. 35G, fig. 2. 



Helotium aeruginosum, Fr., Summa Veg. Scand., p. 353. 



On fallen branches of oak, ash, and hazel. Renin says 

 that it also occurs on Pinus abies and Alms ; Saccardo adds 

 birch. 



Specimens examined in Cooke, Fung. Brit., ed. ii., n. 389 ; 

 Phill., Elv. Brit., n. 86, and Eehm, Ascom., n. 409. 



On fallen oak branches, staining the wood on which it 

 grows, for a considerable depth, of a deep verdigris-green, 

 the wood so stained being employed as " green oak " in the 

 manufacture of Tunbridge ware. The fully developed cups 

 are much more rare than the green myceloid state. (Phil.) 



Chlorosplenium discoideum. Mass. 

 Gregarious, very shortly stipitate, subglobose and closed 

 at first, soon plane or very slightly convex, with a distinct, 

 narrow, slightly raised, entire margin ; disc circular in 

 outline, clove-brown, or with a suggestion of red, margin 

 and glabrous exterior deep verdigris-green, |-3 mm. across ; 

 hypothecium and excipulum formed of slender, densely 

 interwoven hyphae ; asci narrowly cjdindric-clavate, apex 

 somewhat narrowed, pedicel slender, 8-spored; spores with 

 a slight tendency to become 2-seriate near the apex of the 

 ascus, 1-seriate below, hyaline, narrowly elliptical, ends 

 rather acute, often slightly curved, at first 2-guttulate, 



