206 



AGARICUS. 



Clitopilus. somewhat silky, sparkling, margin straight. 

 what equal, undulato-fibrous, silky. Gills 

 sometimes emarginate behind, veined. 



Stem hollow, some- 

 broad, adnate, and 



Ascot. 



Name ortAjSw, to glisten ; xe^aArj, head. 

 Br. n. 1758. C. Illust. PL 324. b. 



From the sparkling pileus. B. 



Leptonia. Subgenus XV. LEPTONIA (\rnfe, slender). Fr. Syst. Myc. 

 i. p. 201. Rosy-spored. 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 incurved. Gills at first adnexed 

 or adnate, but readily separating. Fr. 

 Hym. Ettr. p. 201. 



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. inca- 

 nus], and abound in rainy weather. 

 Gregarious or growing in troops ; on 

 the ground, commonly on dry mossy 

 pastures, but also in marshy places. 



XVI. Agaricus (Leptonia) lam- 

 propus. One-half natural size. 



Gills whitish. Pileus slightly 

 without striae, not hygrophanous. 

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

 Gills becoming fuscous- or dark-purple. 

 Gills pallid. Becoming pale, yellow or green. 



Hygrophanous, pileus somewhat striate. 



fleshy, 



*** 



**** 



***** Gills grey or glaucous. 



* 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 striae, 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, 

 stuffed, equal, very rigid, smooth, but white-pruinose and under a 

 lens black-dotted at the somewhat thickened apex, otherwise even, 



