Cortinarius (Myxacium) arvinaceus Fr. (illustrated 40% life size) Cap 4β8cm across, hemispherical, margin inrolled for a long time, sometimes with an umbo; yellow-ochre, more reddish-ochre with age; glutinous. Stem 50β120Γ7β15mm, usually thicker at the apex; fibrous and flaky beneath the glutinous coating. Flesh white; taste mild, smell slight. Gills adnate; pallid yellowish, then rusty. Spores 10β14Γ6.5β8ΒΌ, long elliptical, roughened. Spore print rusty brown. Habitat in mixed woods; autumn. Very rare. Not edible.