136 
margin involute and entire; stipe stout, 1-2 mm. long, generally, 
in the mature plant, less than the diameter of the cup; asci cla- 
vate cylindrical, 110 X 6; paraphyses filiform ; sporidia uniseriate, 
overlapping, narrow, obovate, hyaline, 11-12 X 34-4. 
Differs from Helottum citrinum, in its involute margin and 
larger size. 
CENANGIUM ALBOATRUM E, & E. 
On a decorticated decaying chestnut log, Nuttallburg, West 
Virginia, Jan., 1896. (L. W. Nuttall, no. 788.) 
Gregarious, obconical, short-stipitate, closed at first, then dis- 
coid-plane, 34-1 mm. in diameter, hymenium slate-color with a nar- 
row white margin, finally dark throughout; asci clavate, short- 
stipitate, 35-45 X 6; paraphyses linear; sporidia subuniseriate, 
ovate-elliptical, hyaline, continuous, 3-4 X 2-21%4'n. 
Differs from the usual type of Cezangium in its scattered 
growth. 
CENANGIUM TRYBLIDIOIDES E. & E. 
On decorticated Saiz, Mt. Paddo, Washington., alt. 7000 feet. 
(Suksdorf, no. 482.) 
Gregarious, sessile, black, glabrous, of fibrous texture, later- 
ally compressed, about 1 mm. long, lips incurved, margin whitish 
or faintly transversely rugulose ; hymenium pallid; asci clavate- 
cylindrical, stipitate, 55-60 X 8 yw, paraphysate, 8-spored ; sporidia 
oblong or oblong-elliptical, hyaline, continuous, 6-10 X 2%4-3 p, 
slightly curved, suballantoid. 
LASIOBELONIUM SUBFLAVIDUM FE, & E. 
On wood of Salix, Mt. Paddo, Wash. alt. 7000 ft. (W.N., 
Suksdorf, no. 489.) 
Scattered, short-stipitate, between light yellow and brick color, 
closed and clavate and light yellow at first, then open, shallow 
cupshaped, I-1% mm. across, of fibrous texture, clothed with ap- 
pressed hairs and margin fimbriate with brown sparingly septate 
hairs 2-2 % p» thick ; asci slender, clavate-cylindrical, 85-95 < 67/ ; 
paraphyses filiform ; sporidia fusoid, hyaline, slightly curved, not 
constricted, 15-20 X 2-2% p. -" 
SCHIZOXYLON MICROSTOMUM E. & E. 
On dead stems of Andromeda ligustrina, Newfield, N.J., April, 
20, 1896. 
Ascomata scattered or gregarious, conic-papilliform, orbicular 
or subelliptical, 1-114 mm. in diameter, at first covered by the pus- 
