72 BRITISH DISCOMYCETES. 



22 25jii ; paraphyses septate, clavate at the apices. 

 (Plate IV. fig. 17.) 



Peziza radula B. and Br., " Ann. Nat. Hist.," xviii. 

 p. 77; "Outl.," p. 364; Cooke, "Handbk.," No. 1987; 

 " Mycogr.," fig. 293. 



On the ground in woods. 



Cup depressed, sessile, nearly an inch across, black 

 externally, broken into nearly equal, distinct, subconical 

 warts, like those of Genea verrucosa ; hymenium of a 

 dark vinous-brown ; asci large, obtuse ; sporidia large, 

 globose, containing a single nucleus, rough with obtuse 

 distinct tubercles ; paraphyses septate, with the ultimate 

 articulation clavate (B. and Br.). 



Name Radula, an instrument to scrape with ; from 

 the likeness of the surface to a nutmeg-grater. 



Near Bristol (Berkeley and Broome). 



B. SPORIDIA ELLIPTIC, ASPERATE. 



39. Peziza pustulata. Pers. 



Cup sessile, subglobose, becoming expanded ; hy- 

 menium pallid or smoky brown ; externally whitish 

 furfuraceous near the obtuse, entire, inflexed margin, 

 smoky-brown below ; asci cylindrical ; sporidia 8, elliptic, 

 asperate, 20 X 10/z; paraphyses septate, clavate at the 

 apices. 



Peziza pustulata Pers., " Syn. Fung.," p. 646 ; Fries, 

 "Sys. Myco," ii. 55; Cooke, "Handbk.," No. 1986; Phil, 

 in " Grevillea," ii. pi. 24, f. 2 ; Cooke, " Mycogr.," fig. 298 ; 

 Weinm., " Hym.," 419. Octospora pustulata Hedw., 

 " Mus. Frond.," ii. t. 6, f. A. Plicaria pustulata Fckl., 

 " Symb. Myco.," p. 327. Peziza cocJdeata, var. j3. Batsch, 

 "El.," fig. 157. Peziza spurcata Pers., "Myco. Eur.," 

 226. Peziza plicataP&s., " Myco. Eur./' i. 226. Aleuria 

 pustulata Gill., " Champ.," p. 45, c. i. 



Exs. Fckl., "F. Rh.," 1227; Phil., "Elv. Brit.," 

 No. 14. 



On the ground and on charcoal beds. Summer and 

 autumn. 



