Clitopilus. 135 



popinalis, Fr. Entirely grey. P. 3 5 cm. flaccid, rather wavy, 

 glabrous ; g. crowded, dark grey ; s. 3 4 cm. equal, naked ; sp. 

 rough, 45. 



undatus, Fr. P. 2 3 cm. deeply umbil. wavy, fragile, sooty 

 grey, pale and silky opaque ; g. dark grey ; s. 23 cm. hollow, colour 

 of p. ; sp. rough, 68. (1012, Quel.) 



var. viarum, Fr. P. often excentric, greyish hoary, shining, with 

 darker zones. 



[conceatricus, Gill. P. convex, umbil. edge wavy, greyish or 

 reddish with brown broken concentric lines ; g. reddish grey ; s. pale 

 reddish with abundant white down at base. 



cancrinus, Fr. P. 2 3 cm. convex-umbil. then exp. unequal, 

 flocculose, smooth, pale reddish-white ; g. decur. distant ; s. 2 cm. 

 tough, glabrous, white ; sp. rough, 5 6. 



cretatus, B. and Br. P. 1 2 cm. convex then umbil. thin, dead 

 white but shining, edge incurved ; g. very decur. ; s. 4 6 mm. white ; 

 sp. subgl. 45. (7x3 Phil., 1112 long, Quel.) 



[lentulus, Karst. P. plano-depr. often irreg. rather silky, rather 

 viscid when moist, whitish ; g. decur. closely crowded, narrow, pallid ; 

 s. solid, equal, wavy, flocculose, pallid ; sp. rough, 2 4. 



II. SERICELLI. Pileus regular silky or hygr.-silky, edge 

 involute, naked. Gills adnate, slightly decur. 



carneoalbus, Wither. P. 1'5 2'5 cm. convex then exp. and 

 depr. edge drooping, white, polished ; g. crowded ; s. 2 3 cm. equal, 

 solid, white ; sp. rough, 7 8. 



[angustus, Pers. P. convexo-plane, subumb. grey, silky -shining 

 when dry ; g. tinged flesh-colour ; s. glabrous, white, base incurved, 

 downy ; sp. 7 8 x 5. 



sarnicus, Mass. P. 2 3 cm. becoming plane, subumbonate, grey, 

 silky ; g. plane then suddenly decurrent near the stem, reddish ; s. 

 2 3 cm. flexuous, white, smooth ; sp. nodulose, 7 8 x 6. 



[nidusavis, Seer. P. plano-umb. floccosely-scurfy, greyish brown, 

 at length wavy ; g. broad, thickish, white then flesh-colour ; s. floc- 

 culose, thickened at both ends, base with white down ; sp. 8 9 x 6. 



[hydroionides, Cesati. Tough, violet then grey. P. convex, 

 obsoletely umb. hygr. ; g. adnato-decur. whitish ; s. hollow, short, 

 even. 



vilis, Fr. P. 2 3 cm. convex, umbil. slightly striate, grey, silky- 

 flocculose ; g. crowded, white then greyish ; s. hollow, fibrillosely 

 striate, grey ; sp. 7 8 x 6. 



[ionipterus, Cesati. P. plano-depr. glabrous, violet ; g. adnato- 

 decur. bluish ; s. solid, pallid, cracked into fibres outside. 



[cicatrisatus, Lasch. P. convex, umbil. glabrous, not striate, 

 rivuloso-rugulose when adult, fuscous ; g. broad, pallid ; s. even, base 

 strigose, rooting. 



