COMMON NAME: Ash-tree Bolete.

CAP: (5-12 cm) wide, convex with an incurved margin when young, soon becoming flat to concave or wavy; surface dry to slightly sticky, smooth or with tiny fibers, yellowish brown to reddish brown, bruising dull yellow-brown; flesh yellow, unchanging or sometimes slowly bruising blue-green when cut; odor and taste not distinctive.

PORE SURFACE: pale yellow to dull gold or olive, decurrent, usually blueing slowly when bruised, gradually discoloring reddish brown; pores elongated and radially arranged, sometimes weakly gill-like, 1 mm or more wide.

STALK: (2-4 cm) long, (6-25 mm) thick, nearly equal, often curved, off-center, lacking glandular dots, not reticulate, solid, apex colored like the pore surface, lower portion colored like the cap surface, bruising red-brown; partial veil and ring absent.

SPORE PRINT: olive-brown.

MICROSCOPIC FEATURES: spores 7-10 x 6-7.5 μm, oval to nearly round, smooth, pale yellow.

FRUITING: scattered or in groups on the ground near or under ash trees; July-October; fairly common.

EDIBILITY: edible.

COMMENTS: also known as Boletinellus merulioides.

From Mushrooms of Northeastern North America Alan E. Bessette, Arleen R. Bessette, & David W. Fischer  Copright © 1997 Syracuse University, ISBN 0-8156-0388-6