206 



AGARICUS. 



Clitopilus. somewhat silky, sparkling, margin straight. Stem hollow, some- 

 what equal, undulato-fibrous, silky. Gills broad, adnate, and 

 sometimes emarginate behind, veined. 



Ascot. 



Name — o-TtAjSw, to glisten ; K€^a\^, head. 

 Br. n. 1758. C. Ilhist. PI. 324. b. 



From the sparkling pileus. B. 6^ 



Leptonia. Subge7iiis XV. LEPTONIA (AeTTTos, slender). Fr. Syst. Myc. 



i. p. 201. Rosy-spcred. Stem cartilaginous, tubular (the tube 



stuffed or hollow), polished, somewhat 

 shining. Pileus thin, umbilicate or 

 with a darker disc, cuticle fibrillose or 

 separating into darker scales, margin 

 at first ijicurved. Gills at first adnexed 

 or adnate, but readily separating. Fr. 

 Hyni. Eur. p. 20 1 . 



The LeptonicE are related to the Clito- 

 pili as the Collybice are to the Clitocybce. 

 The species are small, elegant, brightly 

 coloured, inodorous (except A. i?ica- 

 niis), and abound in rainy weather. 

 Gregarious or growing in troops ; on 

 the ground, commonly on dry mossy 

 ^,^, , . ,r .. ■ -. y pastures, but also in marshy places. 



XVI. Agaricns {Leptonia) lam- ^ 

 i>ropus. One-half natural size. * q^^ whitish. Pileus slightly fleshy, 



without strise, not hygrophanous. 

 ** Gills at the first azure-blue or slightly dark-blue. 

 *** Gills becoming fuscous- or dark-p^irple. 

 **** Gills pallid. Becoming pale, yellow or green. 

 ***** Gills grey or glaucous. Hygrophanous, pileus somewhat striate. 



*■ Gills whitish, &c. 



453. A. placidus Fr. — Pileus 2.5 cent, (i in.) or a little more 

 broad, fleshy-membranaceous, campanulate then convex, obtuse, 

 without strise, disc densely villous and blackish, otherwise at the 

 very first squamulose on the cinereous-whitish ground with fulig- 

 inous-black fibrils, sometimes at the first flocculose, becoming 

 grey -azure -blue, then with dark concentric scales on a white 

 ground. Stem 5-7.5 cent. (2-3 in.) long, 2 mm. (i lin.) thick, 

 stufed, equal, very rigid, smooth, but white-prui7iose and under a 

 lens black-dotted 2X the somewhat thickened apex, otherwise even. 



