276 



Mycologia 



bent, not rooting, pulverulent at the apex, tubular, white, 5 cm. 

 long, 2 mm. thick. 



Type locality : Europe. 



Habitat : On grassy ground along paths. 



Distribution : Northeastern United States ; also in Europe. 



Illustrations: G. Bernard, Champ. Rochelle pi, 25, f. 5; 

 Cooke, Brit. Fungi pi. 642 (638) ; Pat. Tab. Fung. /. 236; Saun- 

 ders, Smitn & Bennett, Myc. Illust. pi. 37, f. 2. 



Described from Sweden, and reported from several parts of the 

 United States by Ellis, Kellerman, Johnson, Bundy, and others. 

 I have specimens from Paris and London, collected by myself, 

 which agree with New York specimens collected by O. F. Cook. 

 Peck's plants from West Albany so named are mounted and fig- 

 ured on a sheet with P. graciloides, which they much resemble. 



14. Psathyrella petasiformis sp. nov. 



Pileus conic to campanulate with conic umbo, becoming subex- 

 panded with upturned edges, gregarious, reaching 2 cm. broad and 

 about 1 cm. high; surface glabrous, hygrophanous, striatulate to 

 the disk, fulvous with a reddish tint, fading to yellow except on 

 the disk, margin thin, yellowish, slightly projecting; context very 

 thin; lamellae adnate, crowded, inserted, grayish-olive to nearly 

 black, whitish on the edges; spores oblong-ellipsoid, tapering at 

 both ends, smooth, smoky-purplish-brown under the microscope, 

 8-10 x 4.5-5.5 /x; stipe cartilaginous, slightly fibrillose-scaly, ful- 

 vous with a reddish tint, hollow, about 5 cm. long and 1-2 mm. 

 thick. 



Type locality : Buck Hill Falls, Pennsylvania. 



Habitat : On much-decayed wood in woods. 



Distribution : Known only from the type locality. 



Collected on August 28, 192 1, by Mrs. John R. Delafield, who 

 made good notes and a colored sketch from the fresh specimens. 

 The specific name selected was suggested by the hat-shaped pileus. 



15. Psathyrella odorata (Peck) Sacc. Syll. Fung. 5: 1136. 



1887 



Agaricus odoratus Peck, Ann. Rep. N. Y. State Mus. 24: 70. 

 1872. 



Pileus thin, fragile, ovoid-convex, at length expanded, gregari- 

 ous or subcespitose, 2.5-5 cm - broad; surface smooth, hygropha- 

 nous, dark-reddish-brown and striatulate on the margin when 



