25 October 2008 Hampshire. Photograph copyright Leif Goodwin.
Conical, then flattened, with a narrow central bump, smooth with a greasy feel, hygrophanous, dark brown to cream, to about 7 cm across
Adnexed to free, broad, crowded, whitish
Broader at the base, smooth, pale brown, with white hairs at the base, hollow
Autumn to early winter
Ellipsoidal, smooth (6.5-8) x (3-3.5) µm2
Two forms are recognised: var asema and var butyracea
9 November 2008 Hampshire. Photograph copyright Leif Goodwin.