74 TwENTY-SIXTH REPORT ON THE STATE MUSEUM. 
Spumaria aba DC. 
Incrusting sticks and twigs near the ground. Croghan. Sep- 
tember. 
Dmerma crustaceum Peck. 
Effused or circumambient, crowded, sessile, subglobose, smooth, 
white, outer peridium crustaceous, like the shell of some small egg, 
the inner delicate, appearing cinereous to the naked eye, iridescent 
under the microscope ; columella none; spores globose, black, .0005 
in. in diameter. 
Fallen sticks and leaves under arbor-vite. Memphis. August. 
Diperma Marta-Wrirsont Clinton. 
Scattered or crowded, sessile, subglobose, smooth, white or pink- . 
ish-white, outer peridium crustaceous, like the shell of some small 
egg, within at the base brownish-pink, inner peridium delicate; . 
columella subglobose, rugulose, slightly colored; spores globose, 
blackish-brown ; .0004 in. in diameter. 
Fallen leaves, sticks, moss, ete. Buffalo. Clinton. Memphis, 
Center and Sandlake. August and October. 
DipERMA FARINACEUM Peck. 
Effused or circumambient, crowded, sessile, subglobose, plum- 
beons when moist, becoming white rugulose and farinaceous when 
dry ; spores globose, brown, black in the mass, .0004 in. in diameter. 
Creeping over mosses and investing fern stems in low woods. 
Croghan. September. 
The moisture from the fresh plant stains white paper lead color. 
Dipymium connatum Peck. 
Peridium depressed or subglobose, cinereous, furfuraceous, stipi- 
tate; stems mostly connate at the base, tapering upward, longitu- 
dinally wrinkled, whitish or cream color ; spores subglobose, black, 
.0004 in. in diameter. 
Decaying fungi. Portville. September. 
The subfasciculate mode of growth is characteristic of this 
species. 
DipyMIuM FURFURACEUM /7. 
Rotten wood. Worcester. July. 
After the breaking up of the peridium, minute portions of it are 
seen adhering to the flocci. The spores are globose, smooth, 
.00083 in. in diameter. 
