Domain: Eukarya
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae

Pileus bright yellow with red or brownish streaks and hairy patches 3–9 cm convex to plane with a small umbo. Margin inrolled in young specimens, and may have remnants of a yellowish, cottony veil hanging from it. When the fruit body is young the cuticle is slimy, as the cap ages,it becomes tacky. The flesh is thin.

Pores yellow and rather large, often larger near the stipe. The tubes are yellow, and stain reddish-brown when bruised. They become darker as they age

Stipe yellow, equal, covered with glandular dots that bruise if handled. The partial veil usually does not leave an ring on the stem. A whitish mycelium present at the base of the stem.

Suillus subaureus occurs under deciduous trees.

Throughout the range of Eastern White Pine

Under Eastern White Pine, often young trees. Seems to thrive in lawn areas under white pine.

Suillus subaureus

Edible but considered mediocre by most.

http://en.wikipedia.org/wiki/Suillus_americanus
http://www.speciesfungorum.org/...

Current Name:
Suillus americanus (Peck) Snell, Lloydia 7: 39 (1944)

Synonymy:
Boletus americanus Peck, Bull. N.Y. St. Mus. 1(2): 62 (1887)
Ixocomus americanus (Peck) E.-J. Gilbert, Les Livres du Mycologue Tome I-IV, Tom. III: Les Bolets: 93 (1931)