106 BRITISH DISCOMYCETES. 



A. CUPS GLABROUS FROM THE FIRST. 



98. Peziza omphalodes. Bull. 



Cups sessile, crowded, often confluent, slightly convex 

 or plane, orange-red or orange-yellow, seated on a fuga- 

 ceous white tomentum ; asci subcylindrical ; sporidia 8, 

 broadly elliptic, eguttulate, smooth, 12 x 5 — 6/z ; para- 

 physes filiform, stout. (Plate V. fig. 22.) 



Peziza omphalodes — Bull., " Champ.," p. 264 ; Fries, 

 "Sys. My co.," ii. 73; Karst, " Mon. Pez," 120; " Myco. 

 Fenn.," p. 48 ; Cooke, " Handbk.," No. 2004 ; " Mycogr," 

 fig. 65 ; " Grevillea," iii. f. 50. Pyronema omphalodes — 

 Fckl., " Symb. Myco.," 319. Pyronema Marianum — 

 Carus, " Nov. Act. N. C," xvii. 370. Pyronema confluens 

 — Tub, "Carp.," iii. 197. Aleuria omphalodes — Gill., 

 " Champ," p. 48, c. i. 



Exs.— Karst, "Fung. Fenn," 256; Kabh, "Fung. 

 Eur," 267, 708 ; Sacc, " Myco. Ven," 268 ; Desm, " Crypt. 

 Fr," i. 428 ; Fckl, " F. Rh.," 1218 ; Cooke, " Fung. Brit," 

 326; Phil., "Elv. Brit," 109. 



On burnt ground and cinder heaps. Summer and 

 autumn. 



Cup J to 1 line broad. It spreads in irregular 

 patches, often covering a considerable space of ground 

 where charcoal has been burnt. The white mycelium is 

 conspicuous when the growth is recent ; later on traces 

 can generally be detected round the base of the cups. 



Name — o/KpaXog, the navel, aSot, 1 , appearance ; from 

 the depressed centre. 



Rockingham Forest, Northamptonshire (Rev. M. J. 

 Berkeley). King's Cliffe. Apethorpe (Rev. M. J. Berke- 

 ley). King's Lynn ! (Mr. C. B. Plowright). Bristol (Mr. 

 Cedric Bucknall). Bred ward ine, Herefordshire (Dr. M. 

 C. Cooke). Caer Caradoc ! Wrekin ! Shrewsbury, in my 

 garden ! Whitcliffe, Ludlow ! 



99. Peziza Piggotii. B. and Br. 



Cup hemispherical or cyathiform, slightly concave, 

 fleshy, firm ; hymenium pale brick-red, externally paler ; 



