Cortinarius (Dermocybe) uliginosus Berk. (illustrated 45% life size) Cap 1.5–5cm across, convex (often conical when young) then expanded and usually umbonate; bright tawny-orange to tawny-brick, margin paler or more yellowish; covered in fine, yellowish fibrils, especially near margin. Stem 25–65×3–10mm, more or less thickened at base; concolorous with cap or paler, more yellowish at the apex and the base; covered in yellow tufts of fibres at apex, rusty fibres below; cortina yellow. Flesh bright lemon- to sulphur-yellow, tinged tawny in cap; smell of radish. Gills adnate; bright lemon-yellow at first, becoming ochre- to tawny-buff. Spores 8–10×5–6¼, elliptical, minutely rough. Spore print rust. Habitat in damp woodland, usually with alders or willow; autumn. Uncommon. Suspect avoid.