Olive Oysterling Panellus serotinus (Pers.) Kühner syn. Pleurotus serotinus (Pers.) P. Kumm. (illustrated 75% life size) Cap 3–7(15)cm across, kidney-shaped; ochre to olive-green; tacky in wet weather. Stem 10–25×8–15mm, rudimentary or lateral; yellowish, covered in minute, brownish, scurfy scales. Flesh white; gelatinous layer below the cap cuticle. Gills attached to rudimentary stem; pale yellow to orange-yellow, fading with age. Spores 4–5.5×1–2¼, curved-cylindrical; amyloid. Spore print white. Pleuro- and cheilocystidia vesiculose-clavate, thin-walled, with yellowish contents. Habitat on fallen trunks and branches; autumn to winter. Frequent. Not edible.