Inocybe calospora Quél. Cap 1-2.5cm across, broadly conical, then flat with a distinct umbo dark brown drying a little lighter, densely fibrillose, scaly. Gills adnate; pale grayish brown at first, then more brown. Stem 20 x 1.5-3mm, with a small whitish bulb; color varying from dark brown to almost white; fibrillose. Flesh brownish. Odor slight, pleasant. Spores spheroid or broadly ellipsoid, with long distinct spines giving the appearance of an ocean mine, 9.5-13.5 x 8.5-11µ. Deposit snuff brown. Pleurocystidia uncommon, fusoid, only slightly encrusted at the apex, walls thickish, 35-55 x 10-20µ. Habitat in broad-leaved woods. Uncommon in the north but more common in southeastern and central North America from Texas to Nova Scotia. Season July-August. Not edible most Inocybes have been found to contain toxins. Comment The spores are unique under the microscope, and at first you might even think you have a new genus.