Summary:
Section Theobromina. Features include 1) a slimy viscid, dull cinnamon cap, 2) adnate, crowded, cinnamon gills, 3) a white, equal stem that is scurfy on its upper part and fibrillose on its lower part, 4) a more or less pungent odor, 5) boat-shaped, minutely marbled, dextrinoid spores, and 6) other microscopic characters. The description is derived from Smith(7).

Gills:
adnate, crowded, moderately broad; pale cinnamon to "sayal brown" [dull cinnamon]; not beaded or spotted

Stem:
6-9cm x 0.5-1cm, equal; white; scurfy in upper part, fibrillose in lower part

Veil:
rudimentary: a thin curtain of fibrils connecting cap margin to stem when very young

Odor:
more or less pungent

Microscopic spores:
spores 9-12 x 5-6.5 microns, boat-shaped in face view, inequilateral in face view, apex +/- blunt, minutely marbled, dextrinoid, in KOH ochraceous; basidia 4-spored, 8-10 microns broad near apex; pleurocystidia absent, "Cheilocystidia filamentose-capitate, 27-57 x 8-9 x 7-11 microns and fusoid-ventricose; many 27-36 x 6x7 x 7-11 microns and not elongating prominently; subclavate to crooked or misshapen."; gill trama typical of genus; cap cuticle a well-developed ixotrichodermium, the hyphae 1.5-2 microns wide, colorless, smooth, with clamp connections, sparsely branched; hypodermium a cellular layer mixed with hyphae, +/- clay color in KOH, ochraceous in Melzer''s reagent; tramal hyphae of cap typical of genus

Spore deposit:
[presumably a shade of brown]

Notes:
The holotype was found in ID. Unpublished research indicates that it occurs also in BC and CA (Henry Beker, pers. comm.).

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