Tylopilus felleus                 Bitter Bolete

Description: Caps are 8-25 cm across, dry, smooth to powdery, tan or yellow-brown to red-brown.  Flesh is white, not staining,  and with a very bitter taste.  Tubes are white to tan, ageing pinkish or staining brown. Pores are small and angular.  Stalk are up to 15 cm tall by 3 cm wide, broader at the base, with a surface network near the cap (= reticulate). Spore prints are pink.  It fruits on the ground in mixed or coniferous woods. Not edible.