550 THE AGARICACEAE OF MICHIGAN 



8 cales, dark mouse-brown or smoky -or own, the thin incurved margin 

 slightly surpassing the gills. FLESH thin, pallid or tinged brown. 

 GILLS adnexed, rounded behind, becoming deeply emarginate, 

 broad, ventricose, at first grayish-white, becoming pink, edge white- 

 flocculose. STEM 3-8 cm. long, 2-3 mm. thick, tapering upward, 

 thicker a1 base, stuffed then hollow, fibrillose, glabrescent, scurfy- 

 pruinose a1 apex, white-mycelioid at base, pallid or tinged brownish. 

 SPORES coarsely tuberculate-angular, elliptic in outline, 7-10 x 

 5.5-6.5 micr., flesh-pink. CYSTIDIA none. Sterile cells on edge 

 of gills, capitate, nine-pin shaped. BASIDIA 40 x 9 micr., 4-spored. 

 ODOR none. 



Gregarious. On the ground, low mossy woods of pine, beech, etc. 

 New Richmond. September. Rare. 



It seems to lie nearest to /■;. scabrosa Fr., but it does not possess an 

 umbilicate ] ileus, the apex of the stein is not black-punctate and 

 the gills are not seginentoid. Our plants were somewhat larger and 

 darker than those found by Peck. 



588. Entoloma sericellum Fr. 



Syst. .Mycol., 1821. 



Illustrations: Fries, [cones, PI. 95, Fig. ::. 



Ricken, Blatterpilze, PI. 73, Fig. 4 (as Leptonia sericellum). 

 Cooke, 111., PL 307. 



PILEUS 5-15 mm. broad, convex then plane, small, pure shining 

 white, or pellucid-white, silky or minutely squamulose, even on mar- 

 gin which is incurved at first. GILLS broadly adnate, becoming 

 sinuate, slightly decnrrent by a tooth, rather distant and broad, 

 white then bright flesh color from the spores. STEM 2-5 cm. long, 

 L-2 nun. thick, slender, pellucid shining white, stuffed then hollow, 

 equal, even, pruinose at apex, glabrous, soft, or slightly toughish 

 and fibrous. SPORES elongated, angular-tuberculate, 9-13x6-8 

 micr.. variable in size, apiculus prominent, bright flesh color in 

 mass. 



(Dried: Stem pale rufous; pileus pale brownish-buff, tinged 

 rufous, i 



Scattered. On debris or humus in low frondose woods, cedar 

 "i- hemlock swamps, etc. August-September. Throughout the State, 

 Ann Arbor, Bay View, Marquette, Houghton. Frequent. 



The color sometimes varies to a creamy tint. The pileus may be 

 old use or depressed. It has the stature of an Eccilia. and the de- 



