Marasmius siccus (Schw.) Fr. Orange Pinwheel. Cap 0.5-3cm across, bell-shaped with flattened or depressed center, with deep, wide, radial pleats; rust-orange to rust-brown or pale tawny; minutely velvety. Gills attached or free, distant, broad; pallid to buff; edges even. Stem 20-70 X 1-2mm, equal; deep brown from base upward, yellowish above; smooth, dry, polished. Flesh very thin; pallid, dextrinoid. Odor slight. Taste slight. Spores spindle- to club-shaped, smooth, (13)16-21 x 3-4.5(5)ì. Deposit white. Habitat scattered to gregarious on leaves, wood, twigs, etc., of deciduous trees. Very common. Found in Europe and east of the Great Plains in North America. Season July-October. Edibility not known.