Agaricus on decaying Hazel leaves. Cromerplaw, 13 July 1839. Pileus small, campanulate, obtuse, striated at the margin, pale greenish- yellow, the apex yellow; smooth. Gills in 2 series, adnate, semi-elliptical, whitish-pale-yellow, subhyaline near the margin. Stem slender, yellowish- -pear above, brownish below; fibrillose, base broader, covered with filaments. Pileus 2-3/4, 7 an inch, scarcely 2/15th broad, obtuse, truncate, with a depression at the summit, where it is of a cleaner yellow; striated from the shrinking of the interstices between the attachments of the gills. Gills incised on both sides; scarcely in 2 sets, the alternate are nearly and sometimes, clefts rather as long as the others. Spores elliptical, minute, minutissima, subangular. Stem near 2 inches in length; very slender and thin-jointed at its junction with the Pileus; broader at the base, where it is covered with sericeous hair. Scarcely any odor. Flesh very thin.