Fuscoboletinus aeruginascens (Seer.) Pomerleau & Smith syn. Suillus aeruginascens (Seer.) Snell Cap 3-12cm across, round becoming convex then almost flat; smoky gray to wood brown, becoming paler, yellowish or almost whitish, in age with dingy spots; slimy when moist, finely hairy to somewhat scaly, sometimes cracking when dry. Tubes 6-9mm deep, adnate or subdecurrent; white or pale brown at first, becoming brownish gray to smoke gray, bruising bluish green. Pores round, becoming irregular and angular; same color as tubes. Stem 40-60 x 8-12mm, solid, tapering slightly upward; whitish above the ring, smoke gray or brownish gray below; somewhat sticky with netlike ridges. Veil cottony, grayish to yellowish; leaving a flattened ring. Flesh firm at first, then soft; whitish to yellowish, turning bluish green where bruised or handled. Odor not distinctive. Taste mild, fruity. Spores ellipsoid to subfusiform, smooth, 8-12 x 3.5-5µ. Deposit pinkish brown. Habitat scattered or in groups under larch. Common. Found widely distributed in northern North America. Season July-October. Edible - good.