Cortinarius (Phlegmacium) osmophorus P.D. Orton (illustrated 40% life size) (illustrated 30% life size) Cap 4–12cm across, convex, margin inrolled; ochraceous, becoming tinged tawny with age, cuticle turns reddish-brown with NaOH. Stem 30–40×10–15mm, 20–30mm wide at marginate bulb; white, discolouring pallid, finally rusty buff. Flesh whitish, slightly yellow with NaOH; taste mild, smell very strong and heady, described as ranging from mock-orange-blossom to metal polish, it may be detected in the field by its smell. Gills adnate to free; white then ochre-clay, finally cinnamon. Spores 9–10×5–6¼, lemon- to almond-shaped, rough. Spore print rust. Habitat in beech woods on chalk; autumn. Very rare, vulnerable on Red Data List. Suspect avoid.