HELOTIUM. 157 



glabrous stem, rather short, tapering to the base; asci 

 cylindraceo-clavate ; sporidia 8, elliptic, rarely sub- 

 clavate, 20 X 4 5/u. ; paraphyses filiform, slender. 



Peziza flava Klotzsch in Kew Herb. ! 



On decorticated wood. 



Cup about i to J a line broad. 



Name Flavus, yellow. 



7. Helotium lenticulare. (Bull.) 



Cup substipitate or sessile, fleshy, firm, convex, ad- 

 pressed to the wood, luteus ; stem papillseform, often 

 nigrescent ; asci cylindraceo-clavate ; sporidia 8, oblong, 

 oblong-elliptic, or clavate, 10 15 x 3 4'5,u. 



Helotium lenticulare Berk., " Outl," p. 372 ; " Eng, 

 Flo.," v. p. 203 ; Cooke, " Handbk.," No. 2147 ; FckL, 

 " Symb. Myco.," p. 315 ; Gill., " Champ.," p. 154. Peziza 

 lenticularisEulL, t. 300, f. A, c ; " Flo. Dan./' t. 1294, 

 f. 1. P. aurea Sow., t. 150. //. nigripes Schum., 

 "SaelL," p. 412; Pers, "Myco. Eur.," p. 544. 



On dead wood. Autumn. 



About 1 line broad, nearly sessile, glabrous, bright 

 yellow, convex. 



The sporidia were derived from Sowerby's original 

 specimen in Herb. Berk. 



Name Lenticularis, form of a little lens. 



8. Helotium citrinum. (Hedw.) 



Cup shortly stipitate or sessile, plano-concave, lemon- 

 yellow, waxy, firm, glabrous ; asci cylindraceo-clavate ; 

 sporidia 8, fusiform or oblong-elliptic, 2 to 3-guttulate, 

 often pseudo-uniseptate, 7- -15 X 3^t; paraphyses filiform. 



Octospora citrina Heclw., " Mus. Frond.," ii. p. 28. 

 Helotium citrinum Fries, " Summa Veg. Scan.," p. 355 ; 

 Berk, " Outl," p. 372 ; Cooke, ' Handbk," No. 2145 ; 

 Karst, " Myco. Fenn," p. 120. Peziza citrina Batsch, 

 fig. 208 ; Pers, " Syn. Fung," p. 663 ; Fries, " Sys. Myco," 

 ii. p. 131 ; Karst, " Pez. et Ascob," p. 32 ; Mon. Fez.," 

 p. 143; Nyl, " Pez. Fenn," p. 43 ; FckL, " Symb. Myco," 

 p. 315. Phialea citrina Gill, " Champ," p. 109. 



