144 BRITISH DISCOMYCETES. 
margin in the British specimens is subfimbriate, re- 
sembling H. petiolorwm, Rob., to which, indeed, it is 
closely allied. 
Name—Renes, the kidneys, awdépog, a seed ; from the 
shape of the sporidia. 
Nescliff, near Shrewsbury | 
E. SPORIDIA CYLINDRICAL. 
(a) On dead wood. 
47. Hymenoscypha sordida. (Fckl.) 
Gregarious, stipitate, glabrous, dirty white, patelli- 
form, marginate, margin becoming crisped and lacerated, 
involute; stem firm; hymenium becoming reddish; asci 
cylindraceo-clavate ; sporidia 8, cylindrical, curved, hya- 
line, 6—10 x 1—2un. 
Pezizella sordida—Fckl., “Symb. Myco.,” p. 299° 
“Scott. Nat.,” vi. 163. 
Exs.—Fcekl., “¥. Bh.,” No. 2078. 
On broome, Rosa canina (Fckl.). 
Cup 4 to 4 a line broad, thin, when moist soft; 
stem very short. 
Name—Sordidus, dirty; dingy in colour. 
Forres, N.B.! (Rev. Dr. Keith). 
(b) On root-fibres. 
48. Hymenoscypha rhizophila. (Fckl.) 
Cup stipitate, at first infundibuliform, then plane, 
immarginate, whitish furfuraceous; hymenium vitelline; 
stem rather long; asci linear, attenuated at each end; 
sporidia 8, cylindrical, straight, hyaline, 12 x 2u. 
Helotvum rhizophilum (Fckl.)\—Cooke, “ Handbk.,” 
No. 2155; Gill, “Champ.,” p. 156. Ciboria rhizophila— 
Fekl, “Symb. Myco.,” p. 312. ; 
Exs.—F ckl., “ F. Rh.,” No. 1598, 
On rhizomes of grass. May. 
Cup 1 to 14 lines broad. 
