Summary: Subgenus Phlegmacium. Features include 1) a whitish to yellowish white cap, 2) whitish flesh that is sometimes violaceous in the top of the stem, 3) pale clay gills, often with a violaceous to rose tinge when young, 4) a cylindric to slightly bulbous stem that is whitish but sometimes violaceous at the top, 5) fruiting mainly in dry, sandy, pine heathland (in Europe), and 6) microscopic characters. The description is derived from Knudsen(1).
Cap: 3-6cm across, hemispheric to convex, expanding; "whitish to yellowish white"
Flesh: whitish, sometimes violaceous in top of stem when young
Gills: "pale clay, often with a fugacious violaceous to rose tinge when young"
Stem: 4-7cm x 0.5-0.9cm, cylindric, "often indistinctly bulbous"; whitish, sometimes violaceous at top, when old +/- brass-brown spotted