98 
covered by the cuticle; spores globose or short elliptical, hyaline, 
filled with small nuclei, or with one or two large nuclei and many 
small ones, 12-15.5 x 8-10//, on stout basidia like a Sphceropsis. 
On hvmg leaves of ^sculus Hippocastani. Vineland, N. J., 
August, 1883. Dr. E. C. Bidwell." " 
This appears to be quite injurious, many of the trees appearing 
at a little distance as if they had had their leaves scorched by fire. 
Peziza (Sarcoscypha) chlamvdospora.— C^spitose, i-2<^°'- 
across, sessile, dark brown, minutely granular outside, margin obso- 
letely toothed, involute when dry ; asci cylindrical, 170-200x10-11//; 
paraphyses hnear, stout, scarcely thickened above; sporidia uniseri- 
ate, elliptical, with a rough epispore, 1-2-nucleate, 11-1^x7//. 
On the ground, West Chester, Pa., June, 1882-3, 
Everhart, Haines, Jefferies and Gray. 
Allied to P. badia, Pers., but differing in its rougher sporidia and 
the very large cells of the intermediate layer of the cups. 
Helotium sulfurellum.— Light lemon-colored or very nearly 
sulphur-colored with a slight tinge of green, farinose; stem firm, 
brownish at the base, gradually enlarged above, 3-7"""- high; disk 
darker, pale cinnamon-brown when dry, concave or nearly plane, 
sometimes distinctly umbilicate, 2-4™™- broad, margin subacute and 
even; asci cylindrical, 75x7-8//; paraphyses filiform, slightly en- 
larged and yellowish above; sporidia uniseriate, partly overlapping, 
navicular, elliptical, 2-nucleate, nearly hyaline or with a faint tinge 
of yellow, 10-12x3.5-5//. 
On fallen petioles of Fraxtnus Americana. 
West Chester, Pa., August, 1883. Everhart and Haines. 
Helotium Limonium, C. & P., and H. gracile, C. & P., which 
this somewhat resembles, have quite different sporidia. 
DiAPORTHE Asclepiadis.— Stroma forming black patches on the 
surface of the stem, .5"™- long, or, by confluence, much longer, 
hmited withm by a deeply penetrating, black, circumscribing line; 
penthecia scattered globose (.25"^), buried in the substance of the 
^^^^^"*^ not deeply; ostiola rather stout, cylindrical, subobtuse, .25- 
.33°™; long; asci {spore-bearing part) 35-40x9//; sporidia biseriate, 
elliptical, constricted in the middle, 3-4-nucleate, subobtuse, 10-12X 
3-4>W. 
. On dead stems of Asdepias tttberosa. Newfield, N. J. 
Gnomonia SassafrsS. — Perithecia erumpent, hemispherical, 
about 200// in diameter, scattered over the lower surface of the leaves 
and along the midrib; ostiola filiform, 200-250// long, of fibrous 
texture, subhylaline above, mostly a little bent; asci lanceolate, 
curved; paraphyses none; sporidia spiculiform or filiform, with a 
faint yellowish tinge, indistinctly multinucleate, 35-40X.75//. 
On fallen leaves of Sassafras officinale, 
Fairfield Co., Ohio, June, 1883. W. A. Kellermann. 
Sph.erella Sassafras. — Perithecia minute, semi-immersed, 
scattered over the lower surface of the leaf, or collected in groups, 
but not on any discolored spots; asci 35x5//; sporidia biseriate, 
oblong-elliptical, uniseptate, 4x1.75/*, hyaline. 
With the orecedine-. 
