Cap: (2)3 - 6(8.5) cm, Obtusely conic to convex to
campanulate, margin incurved or inrolled when young, becoming
irregularly lobulated then straight with age, subumbunate,
hygrophanous, glabrous, subviscid when moist from separable gelatinous
pellicle, translucent-striate at the margin, purple brown or chestnut
brown to dark brown, fading to buff or straw yellow as it dries, with
the center remaining blackish brown. Often with white scale like
remnants along the margin, flesh white, strongly bruising blue with
some specimens becoming completely bluish black.
Gills: Subadnate to sinuate, close, cream to light brown or
brownish yellow, becoming purple brown as the spores mature, edges
subflocose and remaining whitish.
Spores: Dark violet brown, (5.5)6 - 7(7.5) x 5 -6(6.5) micrometers.
Stipe: (2.5)4 to 7 cm long (4)5 - 10 mm thick. Equal,
slightly subulbous, hollow, whitish to yellowish becoming bluish black
and drying to greyish straw with vinaceous tones, whitish subfloccose
patches near the base and pruinose or smooth towards the upper region,
veil well formed, sometimes leaving a partial annular zone, bruising
bluish to blackish when injured, sometimes with the entire stipe
completely blue or with vinaceous tones.
Microscopic features: Spores thick walled with broad germ pore, 6 - 7 x 5 - 6 x 5
micrometers, subrhomboid to subellipsoid. Pleurocystidia subfusoid to
sublageniform, 16 - 22 x 5 - 10 micrometers. Cheilocystidia long
necked, lageniform, sometimes forked, 20 - 38 x 5 - 7 micrometers.
Habitat and formation
Gregarious to cespitose, May through early December, found under Loblolly Pine and Sweet Gum, in bermuda grass or fescue,
often in red clay soil that is enriched with pine needles, urban lawns,
in the deep woods on areas where decaying wood collects. There is often
a smaller fruiting in spring. Found only in northern Georgia.