42 BRITISH DISCOMYCETES. 
receptacle; from Ascobolw by the fixed asci; from Bul- 
garice by not being gelatinous or subcartilaginous; from 
Dermateew by the softer texture; and from Patellarie 
by colour, texture, and form. 
Name—FPezica (from wéZa, the foot, bottom, base, 
that which rests on its base, sessile), a word used by 
Pliny to denote various kinds of puff-balls (vide 
Houghton, “Ann. and Mag. Nat. Hist.,” 1885). The name 
has now acquired a widely different meaning. 
OrpER oF 1HE GENERA IN PeEziz@. 
Serres I.—Nup&. Sserms IL.—VEstiTx. 
Not clothed with hairs. Clothed with hairs. 
I. Peziza. VIII. Lachnea. 
IL. Psilopezia. IX. Lachnella. 
III. Hymenoseypha. X. Tapesia. 
IV. Chlorosplenium. XL Desmazierella. 
V. Belonidium. XII. Pérottza. 
VI. Helotium. 
VII. Mollisia, 
Key To THE GENERA OF PEZIZZ&. 
Applanate, immarginate, affixed by thecentre .. Pailopezia. 
More or less cup-shaped Oe ee nf - ol 
1, {Exterior not hairy (though sometimes tomentose) 2 
; (Exterior hairy, villous, or tomentose es es 
Fleshy, for the most part large ; sporidia large .. Peziza. 
2. ; Fleshy, or rarely waxy, sessile ; sporidia minute .. Mollisia. 
Waxy, or between waxy and fleshy.. a . 8 
Stem distinct and slender, not green es .. Hymenoscypha. 
Stem distinct and slender, preen .. se »»  Chlrosplenium. 
3.<Stem absent, or short and thick; sporidia simple, or 
rarely 1-septate a sie . Helotium. 
Stem absent or short, sporidia 3 or more septate 1. Belonidium. 
Seated on a distinct tapesium re ae .. Tapesia. 
4 Pilose fleshy, mostly large or medium size .. DLachnea. 
* ) Villous or tomentose, mostly small, not black .. LDLachnella. 
Setulose, blackish  .. ss ss es » 5 
5 eae as well as exterior, setulose .. «. Desmazierella. 
*\Hymenium not setulose ss le oe. -. Pirottza. 
Serres L—NUD. 
Fleshy or fleshy-membranaceous, externally glabrous, 
pruinose, or floccoso-furfuraceus, 
