202 
Journal of Mycology 
[Vol. 11 
I. SCORTEI. Stipe solid or medullate-stuffed , then hol¬ 
low, fibrous within, externally a detersile villosity clothing the 
cartilaginous cuticle. Lamellae seceding-free. 
A. STIPE WOOLLY OR STRIGOSE AT THE BASE. 
a. Lamellae subdistant. 
1. MARASMIUS URENS Fries. Hym. Eur., Agaricus 
urens Bulliard, Herb, 1790. 
Taste acrid. Pileus fleshy then coriaceous, convex-explan- 
ate, glabrous, even, at length wrinkled or rivulose. Stipe fibrous, 
solid, rigid, pallescent, mealy with white flocci and white-villous 
at the base. Lamellae free, joined together behind, pale or yel¬ 
lowish changing to brownish, at length remote, distant, firm; 
spores elliptic-oblong, 8x4 mic. 
Growing among old leaves in woods. Pileus 3-5 cm. in diam¬ 
eter, alutaceous to reddish-umber, paler when dry; stipe 9-12 
cm. long, 3-4 mm. thick. 
2. MARASMIUS SUBNUDUS Ellis. Peck, 51. N. Y. 
Rep. 1897. 
Taste bitter. Pileus submembranaceous, broadly convex or 
nearly plane, glabrous, the margin striate. Stipe solid, equal red¬ 
dish-brown above, darker below, everywhere clothed with a gray¬ 
ish down or tomentum, which is denser near the base. Lamellae 
narrow, subdistant, nearly free, whitish or cream color. 
Growing on old leaves and sticks in woods. Pileus 2-4 cm. 
in diameter, dull brownish-red or dingy bay; stipe 4-8 cm. long, 
2-3 mm. thick. 
3. ' MARASMIUS COPELANDI Peck. Bull. Torr. 
Bot. Club. 1904. 
Taste and odor strong and unpleasant. Pileus thin, soft, 
broadly convex, glabrous, tawny. Stipe slender, soft, hollow, 
downwardly velvety-pubescent. Lamellae few, unequal, distant, 
adnate, pallid; spores subfusoid, more acute at one apex, 12-15 
x 4 mic. 
On dead leaves of Quercus densifiora; California. Pileus 
r-2 cm. broad; the stipe 4-6 cm. long, 1-2 mm. thick. 
4. MARASMIUS SCABELLUS. Agaricus Scabel- 
lus A. & S. Consp. Fung. 1805. Agaricus stipitarius Fries, 
Syst. Myc. I. 1821. 
Pileus a little fleshy, convex-plane, umbilicate, velvety-scaly 
or brown-fibrillose. Stipe stuffed becoming fistulose, tough, 
brownish, hirsute-fibrillose. Lamellae seceding-free, ventricose, 
Subdistant, white. 
Growing on sticks and old leaves in open woods. Pileus 6-10 
mm. in diameter, the stipe 3-7 cm. long and 1-2 mm. thick. This 
species of Collybia is constantly taken for a Marasmius. 
