Cortinarius incisus Fr. subgenus Telamonia Cap 2-4cm across, convex-campanulate, with a distinct pointed umbo; hygrophanous, deep, dull blackish brown when wet, pallid grayish brown (snuff-colored) when dry; covered in fine silky fibrils, margin splitting in age. Gills adnexed; grayish ochre then more rusty. Stem 25-60 x 2-5mm, equal; dull grayish brown, with remnants of white veil sometimes forming a belt. Flesh blackish brown when wet; dull grayish ochre when drv, more reddish in stem base. Odor none. Taste slight. Spores ellipsoid to pip-shaped, roughened, 7-8.7 x 4.6-5.5µ, quotient 1.55. Deposit rusty brown. Habitat in conifer woods, usually in ditches. Uncommon. Found in northern north America and Europe. Season September-October. Not edible. Comment Often found growing in small clumps.