PEZIZA. 81 



Peziza cribrosa Grev., "Flo. Edin.," 423; Cooke, 

 " Mycogr.," fig. 381. Helotium cribrosum Berk., Cooke's 

 " Handbk." ii. 713. 



On the ground in sandy or gravelly places amongst 

 short grass. Autumn. 



Large, J to 1 inch broad, hemispherical, at length 

 partly spreading, but always deeply concave, wholly 

 black, but deeper within, somewhat rugose at the base 

 externally ; margin entire, even (Grev., I. c.). 



Name Cribrum, a sieve ; from the pitted hymenium. 



Balmuto, near Edinburgh (Dr. Greville). Between 

 Inverness and the west coast (Dr. Greville and Dr. 

 Hooker in 1821). 



55. Peziza exidiiformis. B. and Br. 



Cups gregarious, orbicular, lurid purple ; margin 

 elevated, inflexed ; hymenium cribrose ; stem incrassated 

 upwards ; asci cylindrical ; sporidia 8, broadly elliptic, 

 biguttulate, smooth, 17 X lO/z ; paraphyses subclavate at 

 the apices. 



Peziza exidiiformis B. and Br., " Ann. Nat. Hist.," 

 No. 1480 ; " Grevillea," iii. 120 ; Cooke, " Mycogr.," fig. 60. 



On silver sand and rotten wood. March. 



Cup 2 lines or more wide ; contracting very much 

 when dry. 



Name Exidia, a genus of fungi, forma, form ; from 

 its likeness to an Exidia. 



Cork (Mr. D. Saunders). Stannage Park, Radnor- 

 shire (Mr. C. E. Broome). Glamis, N.B. (Rev. J. 

 Stevenson). 



5G. Peziza violacea. Pers. 



Cups gregarious, fleshy, glabrous, at first globose, 

 then campanulate, purplish blue, orbicular, regular, with 

 a *thick stem-like base ; margin spreading, entire, sub- 

 repand ; externally pallid, whitish at the base ; asci 

 cylindrical ; sporidia 8, elliptic, smooth, 12 14 x 7 9^ \ 

 paraphyses slightly clavate at the apices. 



Peziza violacea fers., " Syn. Fung.," p. 639; Fries, 



G 



