Boletus spadiceus Fr. Cap 5-10cm across; deep olive to buff or yellow-brown to date brown when wet, often cracked when old and dry, cracks pallid; subtomentose-velvety. Tubes dull yellow. Pores rather large; bright yellow-ochre. Stem 50-100 x 10-25mm, equal; dull yellowish to olive, slightly pinkish brown below; dry, often with coarse reticulate ridges on upper half. Flesh pale yellow. Odor pleasant. Taste pleasant. Spores subfusiform, 11-14 x 4.5-5.5µ. Deposit olive-brown. Habitat in mixed woods and along track ways and banks. Fairly common. Found in the Pacific Northwest and in northern and eastern North America. Season July-October. Edible. Comment Dilute ammonia (NH40H) placed on cap surface gives a green or blue-green coloration that quickly fades.