Bark Bonnet Mycena speirea (Fr.) Gillet (illustrated 80% life size) Cap 0.5–1.5cm across, convex, flattened, or depressed at centre, often papillate; brown-grey, striate from margin to centre. Stem 30–60×1–15mm; pale brown or tinged yellowish-brown. Flesh whitish; very thin; taste mild, smell none. Gills subdecurrent; whitish. Spores 8–10×5–5¼, pip-shaped; nonamyloid. Spore print white. Cheilocystidia hair-like, relatively undifferentiated, thin-walled. Habitat on wood and twigs; autumn. Common. Not edible.