Suillus laricinus

Caps are  3-12 cm across, slimy, smoky brown to blackish brown, and bleach to whitish.  Flesh is whitish, bruising blue. Stalks are up to 6 cm tall, with ring, and smoky to brownish bleaching white. Tubes are up to 9 mm deep, whitish, and age smoky to brownish. Pores are large, up to 3 mm across, angular, and radially arranged. Spore prints are purple-brown. It fruits under larch. Also known as Boletus aeruginascens, Suillus aeruginascens and Suillus viscidus. Edible.