PEZIZA. 43 
Genus [—Peziza. Dill (“ Gen.,” p. 74). 
Receptacle marginate, cup-shaped, at first closed, 
afterwards expanding; epidermis thin, contiguous, gla- 
brous, pruinose, or floccoso-furfuraceus, persistent, distinct; 
asel large, distinct, fixed, enclosing 8 sporidia, which are 
soon elastically ejected ; paraphyses filiform, intermixed 
with the asci. Cups adfixed by the centre, often stipitate, 
freely unfolding, more or less concave, often becoming 
plane; hymenium smooth (not villous or pulveraceous), 
differing in colour ; substance fleshy-membranaceous, not 
waxy or gelatinous. (Plate V. figs. 11-22). 
Name—See p. 42. 
ARRANGEMENT OF SUBGENERA. 
I, Acetabula .. es es ss .. species 1-3 
Il. Tarzetta a ai a ae i » 4-10 
TIL. Otidea ie es a on a » 11-16 
IV. Cochlearia .. cit sh a ua >» 17-29 
V. Discina ave ee a es ae » 9380-35 
VI. Galactinia .. ate se ss ie » 9386-37 
'VIL Pustularia .. ae ass a ia s 388-43 
VUI. Geoscypia .. st oe i eer >» 44-57 
IX. Humaria.. So v6 au a » 98-97 
X. Pyronema .. oe ne era es » 98-104 
Key To THE SUBGENERA. 
Stipitate re a ae ae | 
Sessile or substipitate. . sis ahs #5 at 12 
1. Fees stout Se 3 8 33 St -. Acetabula. 
Stem slender .. .. Tarzetta. 
9. Yielding a coloured fluid when wounded . .. Galactinia. 
Yielding a colourless fluid when wounded. . sw od 
3, {Cups elongated on one side .. 8 ais .. Otidea. 
{Cubs not elongated on one side... es ole 
4. Cups large ek a) 
(eats amall, rarely exceeding ‘5 lines broad. . os 
5. Turfuraceous or verrucose, entire .. as .. Pustularia. 
ete or farinose .. os . 6 
Flexuous, esespitose-contorted, sessile ae .. Cochlearia. 
6. {Plane or repand, sessile or substipitate  .. .. Discina. 
Smaller, entire or lobed, sessile e .-  Geoscypha. 
1. Base surrounded by a delicate white. web . .. Pyronema, 
Base without a white web round it . an .. Humaria. 
