Nov. 1906 ] A New Entoloma from Central Ohio 
237 
stem same color as pileus but paler, in drying the stems usually 
becoming as dark as the pileus. 
Pileus subviscid when moist, convex to expanded, plane or 
subgibbous, not umbonate, irregular, repand, margin incurved, 
flesh white, rather thin, very thin toward the margin. 
Gills broad, i-i-J cm broad, narrowed toward the margin of 
the pileus, deeply sinuate the angles usually rounded, adnexed, 
easily becoming free, edge usually plane, sometimes connected by 
veins, sometimes costate, especially toward the margin of the 
pileus. 
Basidia 4-spored. 
Spores subglobose, about six angles 8-10 /x in diameter, some 
slightly longer in the direction of the apiculus, pale rose under 
the microscope. 
Stems even, fibrous striate, outer bark subcartilaginous, 
flesh white, stuffed, becoming fistulose. 
Odor somewhat of old meal and nutty, not pleasant; taste 
similar. 
Related to E. prunuloides Fr. and E. clypeatum Linn. Dif¬ 
fers from the former in dark stem and uneven pileus, differs from 
the latter in being subviscid, even stem and pileus not umbonate 
and much more irregular, and differs from both in subcostate 
gills. 
Explanation of Plate 92. — Entoloma subcostatum Atkinson. Mature 
plants; the lower specimen in section shows the broad gills and vrey thin 
flesh. 
