Sept. 1905] North American Species of Marasmius 
205 
pubescence. Lamellae rather close, adnate, grayish tinged with 
creamy-yellow. 
Growing on the ground among the leaves of coniferous 
woods. Pileus 8-16 mm. in diameter, the stipe about 25 mm. 
long and 1 mm. thick. 
B. STIPE NAKED AT THE BASE OFTEN COM¬ 
POSED OF TWISTED FIBRES. 
15. MARASMIUS OREADES Fries Hym. Eur. Agar- 
ICUS OREADES BOLTON FUNG. 1 788 
Somewhat fragrant. Pileus fleshy, tough, convex, then plane, 
subumbonate, glabrous expallent. Stipe solid, equal, corticate 
by a villose interwoven cuticle, pallid, the base naked. Lamellae 
free, broad, distant, whitish; spores elliptic, hyaline, 7-9 x 4-6 
mic. 
Growing in grassy places in open woods, pastures, etc. 
Pileus 3-5 cm. in diameter, the stipe 6-9 cm. in length and 3-4 
mm. thick. 
16. MARASMIUS PLANCUS Fries Hym. Eur. 
Taste mild. Pileus fleshy-tough, piano-depressed, obtuse, 
even, expallent. Stipe hollow, soon compressed, with a cortex 
of white hairs, the bast tapering somewhat and naked . Lamellae 
seceding free, distant, linear, darker-colored. 
Growing in woods and shady places. Pileus 2-3 cm. in diam¬ 
eter, the stipe 4-5 cm. long. Closely related to M. oreades. 
17. MARASMIUS FIBROSIPES B. & C. Fungi Cub. 
No. 89. 1867. 
Pileus depressed, subcoriaceous, thin, glabrous, whitish. 
Stipe rather thick, fibrous-scaly, solid, white, fuscescent. Lamel¬ 
lae close, narrow, free, rounded behind and remote. 
Growing on dead wood. Pileus 3-4 cm. in diameter, the 
stipe 2-3 cm. long and 3-4 mm. thick. 
18. MARASMIUS STRIATIPES Peck 24 N. Y. Rep. 
1871. 
Pileus convex, glabrous, even, pale alutaceous. Stipe equal 
or slightly thickened at the base, firm, hollow, distinctly striate, 
pruinose-tomentose, whitish with an abundant white mycelium. 
Lamellae rather broad, subdistant, rounded behind, attached, 
white. 
Growing on the ground among old leaves in woods. Pileus 
4-5 cm. in diameter, the stipe 5-10 cm. high and 4-6 mm. thick 
II. TERGINI. Stipe rotting, definitely tubular, not 
fibrous but manifestly cartilaginous. Lamellae seceding-free. 
Pileus thinner than those of the former, hygrophanous. 
