Seaver: Descriptions of Cup-Fungi 
93 
Peziza sylvestris (Boud.) 
Aleuria sylvestris Boud. Hist. Class. Discom. Eu. 45. 1907. 
Apothecia gregarious, sessile, deep cup-shaped to subdiscoid, 
externally whitish, nearly smooth or pustulate, the margin even or 
slightly wavy and crenate, reaching a diameter of 3-8 cm. ; hy- 
menium umber-brown; asci cylindric above, gradually tapering 
below, reaching a length of 300-325 /i and a diameter of 13-15 fi; 
spores i-seriate, with the ends slightly overlapping, hyaline, 
smooth, 17-20X9-10 fi; paraphyses strongly enlarged above,- 
reaching a diameter of 7-8 /a at their apices. 
On rubbish piles and soil in woods. 
Type locality; Europe. 
Distribution: New York; also in Europe. 
Illustrations; Boud. Ic. Myc. pi. 261. 
The species listed under this name is common about New 
York City. While agreeing with Boudier’s description and illus- 
trations, it is not unlikely that the species has been previously 
described. From our own observations, the species seems quite 
variable both in size and appearance, the apothecia being some- 
times nearly plane and occasionally strongly warted and then 
resembling Peziza bufonia Pers. The species differs from Peziza 
pustulata in the habitat and in the spores, those of the former 
being strongly roughened and those of the present species perma- 
nently smooth. The size and color of the two species is almost 
identical. 
New York Botanical Garden. 
Explanation of Plates 
Plate CLV 
Upper figure, hesisa vesiculosa Bull. 
Lower figure, Pesiea badia Pers. 
Plate CLVI 
Upper figure, Pesisa pustulata (Hcdw.) Pers. 
Lower figure, Pezisa sylvestris (Boud.) 3eaver. 
