Lactarius turpis (Weinm.) Fr. syn. L. plumbeus (Bull. ex Fr.) S. F. Gray syn. L. necator (Bull. ex Fr.) Karst. Tannenreizker, Lactaire gris de plomb, Lactaire plombé, Ugly Milkcap. Cap 5–20cm across, convex then centrally depressed, dark olive-brown, umber or olive-blackish, margin paler, firm and thick-fleshed, sticky and slimy, shallowly felted at first and somewhat woolly at margin which is inrolled at first. Stem 40–80 x 10–25mm, cylindrical or narrowing towards base, concolorous with cap or paler, short and stout, surface often shallowly pitted, slimy. Flesh white discolouring brown in places, stem hollow. Gills decurrent, fairly narrow and crowded, cream to yellowish buff, pale sepia where wounded. Milk white, abundant; taste very hot and acrid. All parts purple-violet with ammonia or KOH. Spore print cream (B) with slight salmon tinge. Spores elliptic with ridges tending to run across the spore, forming a fairly well-developed network, 7.5–8.5 x 6–7μ. Habitat under birch especially in damp places. Season late summer to late autumn. Very common. Not edible. Found In Europe. Reported from America, but unreliable.