THE ROSY-SPORED AGARICS 245 



can Fungi. The plants were found near a slate cut on the B. & O. rail- 

 road near Chillicothe. Not edible. This species and E. grisea are very 

 closely related. The latter is darker in color, with narrower gills, and 

 has a different habitat. 



Bntoloma subcostatum. Atkinson n. sp. 



Subcostatum means somewhat ribbed, referring to the gills. 



Plants gregarious or in troups or clusters, 6-8 cm. high ; pileus 4-8 cm. broad ; 

 stems 1-1.5 cm. thick. # 



The pileus is dark-gray to hair-brown or olive-brown, often subvirgate 

 with darker lines ; gills light salmon-color, becoming dull ; stem colored as the 

 pileus, but paler ; in drying the stems usually become 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 are broad, 1-1.5 cm. broad, narrowed toward the margin of the pileus, 

 deeply sinuate, the angles usually rounded, adnexed, easily becoming free, edge 

 usually pale, sometimes connected by veins, sometimes costate, especially toward 

 the margin of the pileus. 



Basidia four-spored. Spores subglobose, about six angles, 8-10^ in diameter, 

 some slightly longer in the direction of the apiculus, pale-rose under the microscope. 



Stem 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. Differs from the 

 former in dark stem and uneven pileus, differs from the latter in being subviscid, 

 with even stem, and pileus not umbonate and much more irregular, and differs 

 from both in subcostate gills. Atkinson. 



The specimens in Plate XXX grew in grassy ground on the campus of the 

 Ohio State University, Columbus, Ohio. They were collected by R. A. Young 

 and photographed by Dr. W. A. Kellerman, and through his courtesy I publish 

 it. The plants were found the last of October, 1906. 



Bntoloma salmonea. Pk. 



Pileus thin, conical or companulate, subacute, rarely with a minute papilla at 

 the apex, smooth, of a peculiar soft, ochraceous color, slightly tinged with salmon 

 or flesh color. 



The gills and stem are colored like the pileus. Peck. 



Dr. Peck says, "It is with some hesitation that this is proposed as a species, 

 its resemblance to another species is so close. The only difference is found in 



