-7-12 cm wide, 6-8 cm deep, 1-2 cm thick -Somewhat zonate, very course, fibrous surface of cap -Pores angular, up to 6 per mm, glancing -Flesh thin, up to 3 mm thick, brown and fibrous -Spore print en mass is bright yellow, spores are 5x7um and yellow colored. -On a very dead beech.