Pileus: 11 cm wide, broadly convex, margin cracked, dry, smooth, ammonia reaction flashes purple to magenta. Context: white, unchanging. Pores: yellow, depressed at stipe, 2-3 per mm, tubes 17 mm. Stipe: 8.5 cm long, 2 cm thick, slightly bulbous towards base, dry, solid, dirty white with fine brownish reticulation near base. Spore Print: yellow Habitat: In deciduous woods, under oak.