ELVELLACEI. 



665 



Gen. 296. 



PEZIZA, Linn. 



Clip-shaped ; cup more or less 

 concave, soon open; disc naked; 

 asci fixed. — Fr. S.M. ii.p. 40. 



Fries dirides this genus into three 

 groups, with the following distinguish- 

 ing characteristics ; — 



(Fig. 331.) 



Fig. 331. 

 Externally pruinose or floccoso-furfuraceous 

 Externally pilose or villous 

 Externally almost naked, smooth . 



Aleuria. 



Lachnea. 



Phialea. 



Series 1. Aleuria., Fr. 



Fleshy or carnoso-membranaceous, externally pruinose, or 

 floccoso-furfuraceous. Mostly terrestrial. 



Stem firm, sulcate, elongated . . . Macrocodes. 



Subsessile, oblique, or twisted . . . Cochhatae. 



Subsessile, regular Cupulares. 



Small, somewhat fleshy, margin flocculose Humaria. 



More or less coriaceous Encoelia. 



The last section, Encalla, scarcely accords witb the characters of the 

 series. 



Sec. 1. Macropodes — stem firm, sulcate, or elongated. 



1964. 



Feziza acetabulum. L. " Eeticulated Peziza." 



Cyathiform, dingy, ribbed externally with branching veins, 

 which run up from the short, lacunose, fistulose stem. — Fr. 

 S.M. \\.p. U. Fell. exs. no. 1231-2084. Sow. t. 59. Vaill. t. 13. 

 /.I. Bull. t. 4.86, J. 4:. Eng. Fl. y.p.187. Acetabula vulgaris, 

 Fchl. Sym. Myc. p. 330. 



On the ground in spring. Esculent. [Low. Carolina.] 



Cup 2 in. broad, 1^ in. high, externally floccoso-furfuraceous, light-umber, 

 darker within, mouth contracted, firm, tough, flesh not very thick ; stem 

 i in. high, smooth, deeply, but regularly costato-lacunose, the ribs branch- 

 ing at the top and forming reticulations on the outside of the cup, so as to 

 present the appearance of a cluster of pillars supporting a font or roof, with 

 fret-work between them.— ^/i'/. -F^. Sporidia •Ul6--02-i X •012--0I6 m.m.— 

 xVyZ. (Fig. 331.) 



2 F 



