80 TWENTY-SIXTH REPORT ON THE STATE MUSEUM. 
Unoinuna sprrauis B. & C. (U. Americana Howe.) 
Leaves of grape-vines. New Baltimore. owe. Buffalo. Clin- 
ton. Poughkeepsie. Gerard. 
The very long appendages distinguish this from U. Ampelopsidis. 
UncinvLa FLExuosA Pk, 
Leaves of horse chestnut, @sculus Hippocastanum. Buffalo. 
Clinton. 
The wavy-flexuous appendages are peculiar to this species, and 
with its more numerous spores separate it from UW. adunca to which 
it is sometimes referred. 
Unornvuna PARVULA C. & P. 
Leaves of the hackberry, Celtzs occidentalis. Poughkeepsie. 
Gerard. September. 
Microspu“ra Russert Clinton. 
Amphigenous ; mycelium arachnoid, evanescent; appendages 
8-18, very long, flexuous, colored, paler toward the tips which are 
simple or one to three times divided ; sporangia ovate, 4-8; spores 
4, elliptical, .0007—.0008 in. long. 
Leaves and petioles of the yellow wood sorrel, Owalis stricta. 
Buffalo. Clinton. North Greenbush. October. 
The scanty mycelium and colored appendages separate this 
species from JZ. holosericea. 
MicrospHa#ra Dupsyi Lev. 
Leaves of honeysuckle, Zonicera parviflora. Buffalo. Clinton. 
New Baltimore. Howe. Croghan. September. 
MicrosPHARA DENSISSIMA Schw. 
Fallen oak leaves. Saratoga. October. 
This is a very distinct species, forming definite orbicular patches 
of dense white filaments. 
Erysreue Evpnorsra Peck. 
Mycelium thin ; conceptacles small, .0035 in. in diameter ; appen- 
dages few, long, flexuous, colored; sporangia broadly ovate, 3-4; 
spores 3-4, large, .001 x .00065 in. 
Leaves of Huphorbia hypericifolia. Greenbush. October. 
The mycelium occurs on both sides of the leaf, but conceptacles 
were observed on the lower surface only. 
Pxz1zA HESPERIDEA C. &: P. 
Among fallen leaves. Goat Island, where it was first found. 
Clinton. Savannah, August. 
