Ganoderma tuberculosum Murrill 1908

Ganoderma tuberculosum Murrill, sp. nov
Pileus rigid, dimidiate to reniform, applanate, 7-15X12-30X2-4 cm.; surface glabrous, laccate, shining, many times shallowly sulcate, radiate-rugose, roughly tuberculose, especially' in large specimens, usually umbonate behind, bay to dull-brown with age ; margin cremeous to fulvous, glabrous, slightly undulate, subobtuse to truncate with age : context punky to soft-corky, isabelline above, fulvous below, castaneous with age,' homogeneous, 5-10 mm. thick ; tubes perennial, indistinctly stratified, 1-2.5 cm. long, avellaneous within, slightly darker with age, mouths circular, 4 to a. mm., not stuffed when young, edges obtuse, cream-colored, at length thin and darker in color: spores ovoid, dark-brown,
8X6/-i; hyphae dark-brown, 6//.
Type collected in British Honduras, on dead wood, in 1906, Morton E. Peck. Distribution: British Honduras.