108 TWENTY-SEVENTH REPORT ON THE STATE MUSEUM. 
The long spores are narrowed toward one end, and have 
a shape very similar to that of the asci that contain them. 
I have never found it growing on the blade of the leaf. 
TYMPANIS Fraxini Schw. 
Dead branches of ash trees. Forestburgh. September. 
HyYstERium TuMIDA Duby. 
Fallen leaves of beech trees. Croghan. September. 
HYSTERIUM XYLOMOIDES Chev. 
Fallen maple leaves. Croghan. September. 
HysTERIUM RHODODENDRI Sch2. 
Leaves of Rhododendron maximum. Forestburgh. Sept. 
RuYTISMA MONOGRAMMA B. & C. 
Living leaves of grape vines. Port Jervis. September. 
I have seen no description of this species, and depend 
upon a comparison of our plant with authenticated speci- 
mens for its identification. 
TORRUBIA ENTOMORRHIZA FY. 
Dead larve imbedded in decaying wood or leaves in 
woods. Adirondack Mts. August. 
The head in our specimetis is yellow when fresh. 
EPICHLOE HYPOXYLON 7. Sp. 
Convex or pulvinate, subconfluent, blackish externally, 
white within, seated on a whitish or gray subiculum ; ostiola 
prominent; asci very long, linear; spores elongated, fili- 
form, multinucleate, colorless. *% 
Living stems of grass. Sandlake. July. 
In shape and color this plant is suggestive of the genus 
_Hypoxylon, but its habitat and spores point to Epichloe. 
HYPOMYCES AURANTIUS Tul. 
Decaying fungi. Buffalo. Clinton. 
NECTRIA EPISPHERIA FY. 
: On Diatrype stigma and allied fungi. Forestburgh. 
ept. 
DOTHIDEA TETRASPORA F7. 
Dead stems of Joa frutescens. Yonkers. Hove. 
