Suillus sibiricus (Singer) Singer Cap 3-10cm across, obtusely convex becoming flat, with a margin that sometimes has dingy yellow veil fragments attached to it; bright yellow or darker, spotted with brown flakes, especially toward the edge; sticky to glutinous. Tubes adnate to decurrent; dark dingy yellow. Pores angular; dark dingy yellow, staining strong cinnamon when bruised. Stem 50-100 x 7-15mm, solid; yellow, darker dots all over, pink-brown at base, occasionally with a ring. Veil pale, dry, open; usually disappears early, leaving fragments on cap margin. Flesh pale olive-yellow, turning dull brown when bruised. Odor distinctive. Taste mildly bitter. Spores ellipsoid-fusoid, 8-11 x 3.8-4.2µ. Deposit dull cinnamon. Habitat solitary or gregarious under white pine. Sometimes very common. Found widespread in the Pacific Northwest. Season September-November. Probably edible but not recommended. Comment Suillus americanus, which superficially looks very similar, never has a ring and is found in Eastern north America.