Boletus tomentipes Earle 1905

Ceriomyces tomentipes (Earle) Murrill, Mycologia 1 : 154. 1909
Boletus tomentipes Earle, Bull. N. Y. Bot. Card. 3 : 298. 1905.
Pileus thick, convex to expanded, 9-13 cm. broad, about 3 cm. thick ; surface dry, minutely tomentose to glabrous, umbrinous : context whitish or discolored, changing to blue when wounded ; h3'menium ventricose, deeply and broadly sinuate-depressed, decurrent ; tubes sordid-yellow, becoming brick-red when wounded or on drying, mouths small, about 1 mm. broad, circular: spores ellipsoid, brownish, about 14X7(": stipe cylindric, densely but minutely velvety-pubescent, sometimes becoming nearly glabrous above, brickred, flecked with brown below, solid, 8-13 cm. long, 2.5-3.5 cm. thick.
Type locality: Stanford University, California. Habitat : Among decaying oak leaves. Distribution : Known only from the type locality.