Cortinarius (Telamonia) firmus Fr. (illustrated 50% life size) Cap 4–10cm across, convex then expanding and obtusely umbonate, becoming irregularly twisted; light tan-buff to deep rust. Stem 30–90×10–20mm, 15–25mm wide at base, swollen towards the base; white, discolouring ochraceous-cream. Flesh white to pale buff; taste not distinctive, smell strong, somewhat rancid. Gills adnate; ochre at first, later becoming ochre-rust. Spores 7–8×4–5¼, elliptical, rough. Spore print rust. Habitat in coniferous and deciduous woodland; late summer. Very rare. Suspect avoid.