Summary:
Subgenus Phlegmacium. Features include a glutinous cap that is bright olive green becoming dark olive brown on the center and tawny on the margin, bright yellowish olive-green gills, and a dry stem that is pale olive green fading to whitish.

Cap:
5-7cm across, bell-shaped - convex, then expanded-flat, obtuse, the margin incurved at first; at first "citrine" becoming "Prout's-brown" on center, "ochraceous-tawny" on margin; glutinous, bald, "at length somewhat wrinkled by the drying gluten", some remnants of white cortina on margin^, (Kauffman), 5-7.5cm across, "bright olive green at first, becoming dark olive brown with tawny margin"; "smooth, slimy, the drying slime often making the margin wrinkled", (Stuntz)

Flesh:
thick on disc, abruptly thin on margin; whitish^, (Kauffman)

Gills:
"adnate, then sinuate, close to crowded, moderately broad", (0.6-0.8cm broad), thin; at first "sulphine-yellow", finally "cinnamon-brown"; the edge entire, (Kauffman), bright yellowish olive-green when young, (Stuntz)

Stem:
7-10cm x 0.7-1.2cm, subequal [more or less equal] or widening slightly downward, stuffed, soon hollow at top; at first tinged with the same color as cap, then white; bald and shining at top, fibrillose elsewhere, (Kauffman), 7.5-10cm x 0.6-1.2cm, not bulbous; "pale olive green, fading to whitish"; "coated with fibrils in the lower half or so", satiny on upper part, (Stuntz)

Odor:
mild (Kauffman)

Taste:
mild (Kauffman)

Microscopic spores:
spores 8-10 x 4.5-5.5 microns, ventricose-subelliptic, subacute at ends, somewhat almond-shaped, smooth, rusty brown, (Kauffman)

Spore deposit:
[presumably brownish]

Notes:
It was found in WA by Kauffman in 1915. It was sequenced from BC (Liimatainen(2)).

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