Cortinarius (Myxacium) arvinaceus Fr. (illustrated 40% life size) Cap 4–8cm across, hemispherical, margin inrolled for a long time, sometimes with an umbo; yellow-ochre, more reddish-ochre with age; glutinous. Stem 50–120×7–15mm, 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 10–14×6.5–8¼, long elliptical, roughened. Spore print rusty brown. Habitat in mixed woods; autumn. Very rare. Not edible.
