A waxcap with a grey/brown squamulous cap, convex/umbonate in shape, with a whitish stipe and smell that is variously descibed as mealy, chemical or indistinct.  Gills are whitish and emarginate.

There are several similar greyish brown species of fungus

Photograph cap, sides and gills

old uncultivated grasslands, mown or grazed

Uncommon or rarely recorded