Generic short diagnoses:
Yellow, brown to purplish, saprobic, rusty brown-spored agarics with or without an annulus; spores ornamented as in Cortinarius. Lamellae in age often with distinct rusty spots.
www.MycoKey.com
With the MycoKey DVD you will find thousands of pictures along with detailed
generic descriptions, references and interactive, synoptical keys to the
genera.