1IYMEN0SCYPIIA. 143 



D. SPORIDIA PYRIFORM OR RENIFORM. 



(a) On fruit. 



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 3/i ; paraphyses slenderly filiform. 



Peziza amenti — Batsch, " Cont.," i. p. 211, f. 148; 

 Pers., "Myco. Eur.," p. 314; Fries, " Sys. Myco," ii. p. 

 127 ; Karat., " Pez. et Ascob," p. 31 ; and " Mori. Pez.," p. 

 140. Helotium amenti — Karst., " Myco. Fenn," p. 128; 

 Gill., " Champ," p. 158, c. 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 500/i broad; height, including stem, 

 200 to 6OO/1. A minute species, easily recognized by 

 the pyriform sporidia. 



Name — Amentum, a catkin ; from the habitat. 



Wrekin, Salop ! 



(6) 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, 

 10/i long, 5/i in the broadest part, biguttulate ; paraphyses 

 filiform, rather stout. 



Helotium renisporum — Ellis in Cooke's " Synop. 

 Disc. U. S." Ombrophilo; Sydowiana — Rehm in Exs. 

 Syd, " Mycoth. Mar," 666. Peziza recedens — Phil, in 

 Herb. Ciboria Sydowiana — Rehm in " Asco," No. 802. 



Exs.— Rehm, "Asco," I. c. ; Syd, "Mycoth. Mar," I. c. 



On decaying leaves of oak, etc, chiefly on the petioles 

 and ribs. Autumn. 



Cup J to 1 line broad ; stem rather long. The 



