HELOTIUM. 257 



C. On leaves of Dicotyledon?. 



Helotium epiphyllum. Fries, Summa Veg. Scancl., 

 \). 356; Phil., Brit. Disc, p. 163; Rehm, Krypt.-Flora, Disc, 

 p. 795, figs. 1-5, p. 771 ; Sacc, Syll., viii., n. 925. 



Scattered, almost sessile, at first closed, then expanding, 

 and becoming plane or slightly convex, with a delicate 

 margin, 1-4 mm. across; excipulum entirely composed of 

 hyaline, septate,- closely interwoven hyphae 5-6 /x thick ; 

 smooth, pale ochraceous, disc often becoming rufescent with 

 age; asci cylindric-clavate, tapering into a rather long, 

 blender pedicel, 8-spored ; spores usually irregularly 2-seriate 

 above, 1-seriate below, hyaline, smooth, elliptic oblong or 

 fusoid, ends obtuse, at first continuous and guttulate, ulti- 

 mately 1-septate, straight or slightly curved, 14r-20 X 4-5 ; 

 paraphyses septate, about 2 //, thick, sometimes branched, 

 tips tinged yellow. 



Peziza ejpipliylla, Pers., Tent. Disp. Fung., p. 72. 



On dead leaves of oak, beech, sweet chestnut, &c 



Specimen in Rehm, Ascom., n. 11, examined. 



Helotium phyllophilum. Karst., Symb. Myc, p. 239 ; 

 Phil., Brit. Disc, p. 162 (not of Rehm, Kr.-Fl., Disc, 

 p. 796). 



Scattered or gregarious, closed and broadly clavate at first, 

 then expanding and becoming slightly convex, or sometimes 

 quite plane or even slightly convex, up to 1 mm. across ; stem 

 short, rather stout, up to 1 mm. long, often slightly curved, 

 sometimes almost absent ; glabrous, hyaline white or with 

 a tinge of yellow; excipulum parenchymatous, the cells at 

 the base minute, polygonal, 3-5 /x across, above arranged 

 in a parallel series, very long and narrow, 10-18 X 3-4 ^ 

 finishing at the margin as free, distinct, curved and parallel 

 hyphae of equal length ; asci clavate, 8-spored ; spores 

 irregularly 2-seriate above, hyaline, cylindric- fusiform, 

 straight or slightly curved, for a long time continuous, then 

 1-septate, 10-12 X 2*5 /x; paraphyses hyaline, about 2 \>. 

 thick, tips slightly thickened. 



Peziza phyllophila, Desai., Or. Fr., ser. i., n. 1159. 



Pliialea jpkyllopJiila, Gill., Disc. Fr., p. 105; Sacc, Syll., 

 n. 1046. 



VOL. IV. S 



