Cortinarius (Phlegmacium) saporatus Britzelm. syn. C. subturbinatus Rob. Henry ex P.D. Orton (illustrated 30% life size) Cap 6–16cm across, convex to flattened-convex, margin remaining incurved for a long time; tawny-buff, often darker when old, paler at margin initially; cuticle gradually dark brown with NaOH. Stem 35–100×7–20mm, 18–45mm wide at marginate bulb; white, discolouring yellowish, especially from base. Flesh white, no reaction with NaOH; thick, very firm; taste mild, smell fruity at first, soon becoming more sour. Gills adnate to free; pale clay at first, then ochraceous, finally rusty buff. Spores 11.5–13×6–7.5¼, lemon- to almond-shaped, rough. Spore print rust. Habitat in beech woods on chalk; autumn. Very rare, vulnerable on Red Data List. Suspect avoid.