COLLYBIA. LEPTONIA 343 



short, white bristles pointing in every direction when young; margin 

 crenate. St. 5-6 cm. x 2 mm., brownish, white below, becoming white 

 above and yellowish or rufous below, granulated, covered with white 

 bristles, base with a minute disc-like swelling. Gills white, adnexed, 

 slightly ventricose, connected behind, distant. Dead fern stems in a 

 hot-house. Eare. 



1077. C. caldarii Berk. Caldarium, a hot bath. 

 P. 1215 mm., brown, hemispherical, umbonate, rugose. St. 45 cm. 



x 2 mm., paler, cartilaginous, smooth. Gills somewhat ash-coloured, 

 adnato-decurrent, interstices veined near the margin. On Sphagnum in 

 an orchid pot. Eare. 



Spores pink. 



Leptonia Fr. 



(Xe7TT09, thin.) 



Pileus slightly fleshy, regular; margin incurved. Stem central, 

 cartilaginous. Gills adnate, sinuato-adnate, or adnexed. Spores pink, 

 angular, elliptical, subglobose, or oblong; continuous. Cystidia 

 rarely present. Growing on the ground, or on wood. 



*Gills whitish. P. slightly fleshy. 



1078. L. placida Fr. Fr. Icon. t. 97, fig. 1. Placida, gentle. 

 P. 2-3 cm., grey, becoming bluish, disc densely villose, blackish, fleshy 



membranaceous, campanulate, then convex, obtuse, squamulose with 

 dark concentric scales and dark fuliginous black fibrils. St. 5-7-5 cm. x 

 2-6 mm., dark azure-blue, or black-blue, equal, very rigid; apex thick- 

 ened, white pruinose and black-dotted. Gills whitish, then purplish, 

 adnexed, very broad behind, plane crowded. Flesh brownish in the 

 pileus, bluish in the stem. Spores pink, "angular, 7-12 x 6-7 /u," 

 Herpell. On and near beech, and fir stumps. Sept. Oct. Eare. 



1079. L. anatina (Lasch) Fr. Anatina, belonging to a duck. 



P. 3-4 cm., greyish fuscous, somewhat fleshy, conico-campanulate, 

 broadly umbonate, longitudinally fibrillose and squamulose, often 

 rimose. St. 3-4 cm. x 4-6 mm., blue, equal, or attenuated down wards, 

 at first pruinose, then squamoso-fibrillose, apex smooth, base white- 

 villose. Gills whitish, then flesh colour, adnexed, then separating, 

 broad, ventricose. Flesh bluish, becoming whitish. Spores pink, 

 angular, broadly elliptical, 10-11 x 9-10/u,, 1-2-guttulate. Heaths, 

 and pastures. July Oct. Uncommon, (v v.) 



1080. L. lappula Fr. Fr. Icon. t. 97, fig. 2. Lappa, a bur. 

 P. 2-5-4 cm., grey, somewhat fleshy, hemispherical, convexo-plane, 



umbilicate, flocculoso-soft, then roughish with short erect fibrils, which 



