Cortinarius
Cortinarius flavifolius Peck 1888
This large cort has an expanding dry, pale ochre-cream convex cap with rust to brownish fibrillose-scales, attached pale yellow-ochre gills and a concolorous stem with a bulbous base that bruises reddish-brown. The cortina is initially white to pale yellow. With age, the gills and cortina become rust-brown. It can be found in clay soil of oak woods from July to September. Mycorrhizal. Inedible.
This is in the Cortinariceae family of the Agaricales order.