Suillus luteus 

Suillus luteus  (L.) Roussel 1796 'Slippery Jack", "Pine Bolete” 

 Short-stemmed, slimy with gluten, convex purple-brown cap with easily peelable cap. Adnate to slightly decurrent tubes; fine, lemon-yellow pores. Underside of stem-ring is dark purple. Above it is pale yellow with dots. Below white becoming purple. Ochre-brown spore print. Mycorrhizal with pine or spruce. This is in the Suilliaceae family of the Boletales.

Suillus luteus