Medium sized milkcap associated with oak, with a pale reddish-brown cap that is usually zonate.  Flesh smells oil or like bedbugs when crushed.  Milk whitish/pale cream, mild tasting, faintly yellow on a white tissue. 

Other Lactarius are zoned, but smell is distinctivve

smell/host

Photograph from top down, in side view and from underneath to show gills and full length of stipe.  Note cap texture, smell, colour and taste of milk, and whether colour of milk changes on exposure to air (this may take some time).   You must note the tree species under which it was found.

under oak

Autumn

It grows solitarily or in scattered groups

Common and widespread in Britain.

Common in Leicestershire and Rutland.