ER 
tints; columella obsolete; capillitiium and mass of spores 
violet-brown ; spores globose, rough, .0004’—.0005’ in diameter. 
Fallen leaves. Aug. 
Comatricha eg Pk. Gregarious or loosely 
elustered, about three lines high, arising from a thin hypo- 
thallus; sporangia eylindrical, obtuse, fugacious, wholly 
falling away; capilliium brown or blackish-brown, forming 
an intricate net-work; stem slender, smooth, black, pene- 
trating the capillitiium as a eolumella and extending nearl 
or quite to the apex, the free portion about equal in Kaigıh 
to onehalf the altitude of the entire plant; 'spores globose, 
smooth, violet-black, .0003’—.00035‘ in diameter., 
Decaying wood. ' Sept. 
Oligonema brevifila Pk. Bright ochery -yellow 
throughout; sporangia erowded, forming elusters or effused 
patches, shining, variable in shape; threads few, very short, 
eylindrical or subfusiform, not septate; spores globose, rough, 
.00045' in diameter. 
Mosses. 
Septoria Waldsteinie P. & ©. Spots small, une- 
qual, suborbicular, arid, gray with a purple-brown or black- 
ish margin, perithecia minute, few, epiphyllous, black; spores 
straight, .001’ long. 
Leaves of dry strawberry, Waldsteinia fragarioides. May. 
Melaneonium Americanum P. & C. Pustules 
small, grouped or circinating on orbicular spots; stroma 
none or obsolete; spores compact, oozing out in subconical 
masses, staining the matrix black, subglobose or 'broadly 
elliptical, .0002°—.0003* long. 
In conservatories on dead leaves of the American cen- 
tury plant, Agave Americana. Feb. 3 16: 
Uromyces polymorphus P. &C. Spots brownish; 
sori blackish-brown, prominent, surrounded by the ruptured 
epidermis; spores large, polymorphous, subglobose, elliptical, 
ovate, oblong or elavate, often angular, the apex acute, ob- 
tuse, truncate or even emarginate, .0014'—.002' long; pedicel 
equaling or exceeding the spore in length. 
Lower surface of leaves of Lathyrus ochroleucus. 
Massospora, gen. nov. Spores numerous, loosely 
adhering together and forming a pulverulent mass without 
any evident peridium. Insecticolous. j 
This is a peculiar genus, apparently belonging to the 
Coniomycetes, but its affinities are doubtful. 
Massospora cicadina Pk, Spore mass occupying 
the abdominal cavity, whitish or pale eream-color, at length 
exposed by the falllng away of the terminal rings of the 
