Pholiota Armillaria Pileus hemispheric, broadly umbonate, 2.5 cm, margins thin, even, inrolled, slightly viscid, surface sublacunose, vinaceous cinnamon, darker on disc; gills close, slightly decurrent, broad, light vinaceous cinnamon; stipe tapering upward, 3.5 cm x 3-5 mm cottony fibrous, light vinaceous cinnamon or lighter with broad, persistent annulus. on earth in potrero Specimens examined: Costa Rica:San Jose, Rancho Redondo, 2200m, Dodge 5372