Generic short diagnoses:
Tiny to small, pale brown-spored, saprobic, often conspicuously veiled agarics; spores without pores, cystidia simple - often capitate, and pileipellis a rectocutis-trichoderm.
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.