Suillus luteus 'Slippery Jack", "Pine Bolete" Short-stemmed, slimy with gluten, convex purple-brown cap w 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.