24 October 2000 Surrey. Photograph copyright Leif Goodwin.
Blackening Wax Cap
Sharply conical, sometimes lobed, surface dry and fibrous, red, orange or yellow, blackening with age, typically to about 5 cm across, exceptionally to about 10 cm across
Adnexed or free, pale yellow, blackening with age
Equal, dry, fibrous, yellow to orange, blackening with age, to about 10 cm high
Yellow in the cap, white in the stem, blackening on cutting, fragile, fibrous in the stem
In unimproved grassland, deciduous woods, marshes, and fixed dunes
Spores ellipsoidal or oblong, smooth (8.5-10) x (5-6.5) µm2 for specimens with four spored basida, and (9-11.5) x (5.5-7.5) µm2 for specimens with two spored basida
This is a very variable species which includes many forms which were formerly considered as distinct species. See The Genus Hygrocybe by D. Boertmann for details.