Ganoderma tsugae Murrill 1902

Ganoderma tsugae Murrill, Bull. Torrey Club 29 : 601. 1902
A conspicuous reddish-chestnut fungus growing on dead or djdng hemlock. Pileus corky to woody, fan-shaped, convex above, concave below, 4-20 X 5-25 X 1-4 cm.; surface glabrous, iineven, concentrically sulcate, laccate, lustrous, yellowish-red to mahoganycolored, at length black ; margin light-yellow, acute, becoming concolorous, truncate, and marked with many shallow furrows, often undulate and at times more or less lobed : context soft-corky, radiate-fibrous, white or nearly so, 1-3 cm. thick; tubes annual, 0.5-0.75 cm. long^, 4-6 to a mm., brown within, mouths circular or polygonal, white to light-cinnamon, edges obtuse, becoming acute : spores ovoid, obtuse at the summit, attenuate, and truncate at the base, verrucose, yellowish-brown, 9-11 X 6-8 /i: stipe lateral, ascending, frequently forked, cylindrical, equal, 2-20 X 1-4 cm., resembling the pileus in color, surface and context.
Type locality ; New York City.
Habitat : On decaying trunks, stumps and roots of Tsuga canadensis. Distribution : Nova Scotia to Virginia and west to Minnesota.