34 Armillaria Pileus expanded depressed, 8.5 cm, margin crenate ingrowled somewhat lacerate in age; surface fibrillose squamulose, sayal brown to snuff brown, flesh white, thin except on disc; gills walnut brown to carob brown, decurrent by line to ring which is narrow, thick, concolorous; stipe tapering downward concolor with pileus, fleshy fibrous 5.5 cm x 2 cm above 1.5 cm below In bare soil banks by roadside Specimens examined Costa Rica: San Jose, Rancho Redondo, 2250 m Dodge & Thomas 5285