R. xerampelina (Secretan) Fries
Cap: width 50-140 mm. Stem: width 15-30 mm; length 40-60 mm.
Cap: deep blood-red or brownish red.
Stem: white with a flush of red towards the base.
Gills: cream then ochraceous.
Flesh: white staining brownish and smelling strongly of fish- or crab-paste, and staining dark green when a crystal of green iron sulphate is rubbed into it.
Spore-print: deep cream-colour.
Common in mixed woods; a very variable fungus with many colour-forms, but easily recognised by the green reaction with ferrous sulphate.
Lactarius turpis (Weinm.) Fries Ugly milk-cap
Cap: width 60-200 mm. Stem: width 10-25 mm; length 40-75 mm.