Entoloma chalybaeum var. lazulinum (Fr.) Noordel. syn. E. lazulinum (Fr.) Noordel. syn. Leptonia lazulina (Fr.) Quél. syn. Rhodophyllus lazulinus (Fr.) Quél. (illustrated 50% life size) Cap 1–2cm across, convex; blackish-blue, almost black at disc; covered in darker radiating fibres, margin striate. Stem 30–40×1–2mm; dark blue to blue-black or violet-blue. Flesh dark blue; thin; smell strongly mushroomy. Gills sinuate; at first deep bright blue or blue-grey, becoming more pink with age. Spores 10–12×6.5–8¼, angularly oblong. Spore print pink. Habitat on grassland and heaths; autumn. Occasional, more common in the north and west. Poisonous. Note the caps of this collection are more conical than those typically found.