Cortinarius (Phlegmacium) splendens Henry. Schwefelklumpfuss Cortinaire resplendissant Splendid Webcap Cap 3–6(8)cm across, convex then expanded and often wavy at the margin, bright sulphur yellow often with tawny centre or spotting. Stem 25–60 x 7–12mm, 15–25mm at the distinctly marginate bulb, sulphur yellow becoming tinged rust especially towards the base, arising from sulphur yellow mycelium; cortina sulphur yellow. Flesh bright sulphur yellow. Taste mild, smell none. Gills bright sulphur yellow then rusty. Spore print rust. Spores almond-shaped and roughened, 10–11(14) x 5–6.5µ. NaOH turns cap cuticle dark red to reddish brown. Habitat beech woods on chalk. Season autumn. Uncommon. Edibility suspect -avoid. Found In Europe.