HYMENOSCYPHA. 148 
D. SPORIDIA PYRIFORM OR RENIFORM. 
(a) On frust. 
45. Hymenoscypha amenti. (Batsch.) 
Cup concave, then plane, at length convex, firm, 
white, becoming greyish-brown; stem short, enlarged 
upwards ; asci cylindraceo-clavate ; sporidia 8, subpyri- 
form, 8 X 34; paraphyses slenderly filiform. 
Peziza amenti—Batsch, “Cont.,” i. p. 211, f 148; 
Pers., “ Myco. Eur.,” p. 314; Fries, “Sys. Myco.,” ii. p. 
127; Karst., “ Pez. et Ascob.,” p. 31; and “Mon. Pez,” p. 
140. Helotium amenti—Karst., “Myco. Fenn.,” p. 128; 
Gill, “ Champ.,” p. 158, ¢ i. 
Exs.—Rabh., “Fung. Eur.,” ed. ii. 809 and 1621; 
Karst., “Fung. Fenn.” 27; Phil, “Elv. Brit,” 123; 
Roumg., “Fung. Gal,” 649. 
On dead catkins of willow in damp places. 
Cup 200 to 500u broad; height, including stem, 
200 to 6004. A minute species, easily recognized by 
the pyriform sporidia. 
Name—Amentum, a catkin ; from the habitat. 
Wrekin, Salop ! 
(b) On leaves. 
46, Hymenoscypha renisporum. (Ellis.) 
Stipitate, concave, at length plane, pale cinnamon or 
brownish-yellow ; stem equal, slender, darker below; 
asci cylindraceo-clavate ; sporidia 8, biseriate, reniform, 
10u long, 5u in the broadest part, biguttulate ; paraphyses 
filiform, rather stout. 
Helotium renisporwm—Ellis in Cooke’s “Synop. 
Dise. U. 8.” Ombrophila Sydowiana—Rehm in Exs. 
Syd., “Mycoth. Mar.,” 666. Peziza recedens—Phil. in 
Herb. Ciboria Sydowiana—Rehm in “ Asco.,” No. 802. 
Exs—Rehn, “ Asco.,” J. ¢.; Syd., “Mycoth. Mar.,” 1. ¢. 
On decaying leaves of oak, etc., chiefly on the petioles 
and ribs. Autumn. 
Cup 4 to 1 line broad; stem rather long. The 
