178 Cincumati Society oj Natural Uistory. 



A. Pileus viscid. 



a. Stipe not miirginate bulbous, 1. 



b. Stipe marj^inate-bulbous, 2, 13. 



B. Pileus dry, 4, o. 



A. Pileus viscid. 



a. Stipe not marginate-hulbous. 



1. C. VAKiDS, SciisEff. — Pileus compact, iieniispheric-explanate, even, 

 viscid, discoid; the margin glabrous; tiie ttcsli white. Stipe solid, 

 short, conic, apprcssed-flocculose; whitish. Lamellre emarginate, close, 

 entire, purplish then argillaceous-cinnamon. 



In woods, in autumn. Pileus 2 in. and be^'ond in breadth, stipe 1^- 

 1k in. long, \ an inch thick above, 1 in. and beyond below. Pileus 

 equal, not plainly virgate, encrusted, ferruginous-tawn}', fibrillose-ap 

 pendiculate around the margin; stipe within at length cinerascent not 

 yellowish. 



b. Stipe marginatebulbous. 



2. C. CALOCHRODS, Weium. — Pileus llesh}', convexo-explanate, glab 

 reus, viscid, unchangeable ; the flesh compact, white. Stipe solid, 

 C(iual, fd)rillose, white-yellowish; the bulb with a distinct margin. 

 Lamellae einarginate, close, serrate, blue purplish. 



In open beech woods. Pileus 3-4 in. across; stipe 1-3 in. high, 1 in. 

 thick. Pileus commonly tawny, luteous around the margin, often 

 sj>otted or soiled with dirt; the margin thin, involute, sometimes flexu- 

 0U8, not bent inward. Stipe equal, short, without any bluish color. 



3. C. CERULESCENS, Fr. — Pileus fleshy, convex, explanate, viscid. 

 Stipe solid, tapi.-ring upward, naked, blue changing to white; the bulb 

 margin.'ite. Lamellui attached, close, entire, at first pure dark blue. 



In hilly woods. Pileus 2.^-3 in. broad, stipe 3 in. high. The young 

 plant sometimes all blue; pileus commonly argillaceous or brownish- 

 yellow, when dry somevvhat lil)rillosc; the flesh preserves its intense 

 blue color when broken; the lamelhe change to [)ur[)ie and at length to 

 cinriamon; there is scarcely any odor. 



/)'. I'ilcus dry. 



4. C. vioLACEL's, Linn. — Dark violaceous. Pileus fleshy, obtuse, 

 villou8-8caly. Stipe bulbous, spongy, villous, violaceous-cinereous with- 

 in. Lamellae attached, bro.id, thick, distant, darker. 



In woods. Pileus 4 in. or more in diameter, stipe 4 in. high. 

 Sliowy, inodorous and mII of .mh' color. Lamelhe when young deei) 

 violet, almost black. 



