2 
[Vol. 12 
Journal of Mycology 
a. Pileus Colored. 
127. MARASMIUS ATRO-RUBENS Berk. Journ. Bot. 
1842. 
Pileus membranaceous, convex, regularly radiate-venose, 
dark reddish. Stipe very slender, umber, velvety. Lamellae 
rather close, cultrate, pallid. 
Growing on old leaves and dead trunks in woods. Pileus 
9-10 mm. in diameter. 
128. MARASMIUS THUJINUS Peck, N. Y. Rep. 1902. 
Pileus membranaceous, hemispheric or convex, often slightly 
umbilicate, minutely pulverulent-tomentose, distantly striate on 
the margin, cinereous tinged with lilac. Stipe capillary, glabrous 
or with a few minute scattered flocci, pallid, sometimes brownish 
toward the base. Lamellae few, distant, adnate, white. 
Growing on fallen leaves of Thuja. Pileus 2-3 mm. in diam¬ 
eter, the stipe 1-2 cm. long, scarcely thicker than a hair. 
129. MARASMIUS FELIX Morgan, sp. nov. 
Pileus membranaceous, convex then explanate, glabrous, 
faintly plicate-rugulose, rufescent. Stipe more or less elongated, 
capillary, minutely pubescent, brown or blackish, white at the 
apex, the base insititious. Lamellae unequal, some of them 
forked, rather narrow, distant, adnate, white; spores ovoid- 
oblong, apiculate, 7-9 x 3-4 mic. 
Growing on old leaves of Platanus, insititious on the petioles 
and veins. Preston, O. Pileus 2-6 mm. in diameter, the stipe 
varying in length from 2-8 cm. Pileus pale rufous or nearly 
white to testaceous, becoming more saturated with the color in 
drying. A near relative of M. epiphyllus. Pers. 
b. Pileus white or whitish, 
a'. Pileus Plicate — Sulcate. 
130. MARASMIUS INSITITIOUS Fries. Hym. Eur. 
Pileus membranaceous, tough, convexo-plane, subumbilicate, 
at length plicate-sulcate and whitish. Stipe horny, fistulous, 
floccose-furfuraceous, reddish-brown, tapering downward to the 
simple, insititious base. Lamellae broadly adnate, unequal, 
simple, distant, becoming white; spores elliptic-ovoid, 4 x 
2.5 mic. 
Growing on fallen leaves of oak, etc. Pileus 5-10 mm. in 
diameter, the stipe 2-3 cm. in length. 
131. MARASMIUS SACCHARINUS Fries. Hym. Eur. 
Agaricus saccharinus Batsch El. Fung. 1784. 
Pileus membranaceous, convex, somewhat papillate, gla¬ 
brous, sulcate and plicate, white. Stipe very slender, flocculose, 
glabrate, obliquely insititious, reddish. Lamellae broadly adnate, 
narrow, thick, very distant, reticulate-con joined, whitish ; spores 
elliptic, 5x3 mic. 
