714 ELVELLACEI. 



formic, Fr. S.^f. u.p. 130. Pers. Ic. ^ Des. t 7,/. 7. Ann. N.H. 

 no. 159. Karst. 3/ on. Pez. j). 141. Berk. exs. no. 274. 



On ash stumps. Apethorpe. [Up. Carolina.] 



Sporidia elongated, -OOS-'OU X •003--004 m.m.— Karst. 



2153. Helotium subsessile. Sch. *' Umber Helotium " 



Small, pallid; head plano-convex; disc pale-umber; stem 

 very short, umber-brown at the base; asci clavate ; sporidia ob- 

 long, sublanceolate, with two or more nuclei. — Schura. Saell.p. 

 415. Be?^k. Outl. p. 372. Pezizahelotioides,Fr. S.M.n. p.Vd^. 

 Ann. N.H. no. 573. Fl. Dan. 1. 1855,/. 3. 



On dead branches. Oct. King's Cliffe. 



Of a dull ochre rather than umber, the stem is very thick, obconical, and 

 m.erely a prolongation of the pileus j the hymenium convex. — M.J.B. 



2154. Helotium pruinosum. Jcrd, " Frosted Helotium." 



Minute, sessile, or very shortly stipitate, entirely white, prui- 

 nose ; disc pale flesh colour ; sporidia elongato-cymbiform, 3-4 

 nucleate.—^. ^. Br. Ann. N.H. (1866J, no. 1174, t. 5,/. 33. 



On Hy poxy Ion fuscuni and Diatrype stigina. Scotland. 



The hymenium, which has sometimes a slight bluish tinge, is pruinose, 

 as well as the outer surface ; sporidia '0006 in. long (sometimes •0004-*0005 

 in. long), "OlS m.m. (•01-'012 m.m.). 



2155. Helotium zhizophiluzn. FcM. *• Grass-root Helotium." 



Cups at first infundibuliform, then plane, immarginate, exter- 

 nally and stem whitish mealy ; disc egg-yellow ; asci linear, at- 

 tenuated at each end ; sporidia sub-distichous, cylindrical, straight, 

 hyaline. — Fdd. exs. no. 1598. Cihoria rhizophila, Fckl. Sym.Myc. 

 p.3\2. 



On rhizomes of grasses. May. Shere. (E.G.) 

 Cups \\ line broad ; stem 3 lines long. 



2156. Helotium hexbazum.. Fr. " Herbaceous Helotium." 



Between fleshy and waxy, smooth, white ; head piano- convex, 

 adpressed ; stem very short ; sporidia elongated, straight, or 

 curved. — Berh.Outl.p. 372. Peziza herharum^Fr. S .M .\i. p. 136. 

 Eng. Fl. v.p. 204. Karst. Mon. Fez. p. 146. Karst. exs. no. 81. 

 Rabh. F.E. ii. no. 810. Desm. exs. 1, no. 603, ii.no. 568. Fckl. exs. 

 wo. 1147. 



On dead leaves, stems, &c. Autumn. [Mid. Carolina.] 



