Pileus corky, rigid, dimidiate, sessile, imbricate, applanate, convex below, triangular in section, 6-12 X ~o X 2-4 em.; surface isabelline-avellaneous to cinereous or smoky-black with age, slightly sulcate, zonate at times, tuberculose to colliculose in the older portions; margin usually thin, pallid, glabrous; con- text isabelline, soft-corky, homogeneous, 5-7 mm. thick; tubes labyrinthiform, becoming nearly lamellate with age in some specimens, 1-2 em. long, I-Z mm. broad, chalk-white or dis- colored within, edges obtuse, entire, ochraceous to avellaneous.
Reported by Harkness as occurring on oak in California.
Created: 2007-05-08 10:51:25 EEST (+0300) by Alan Rockefeller (Alan Rockefeller)
Last modified: 2018-11-15 08:49:59 EET (+0200) by Chaelthomas (Chaelthomas)
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