Grooved Bonnet Mycena polygramma (Bull.) Gray (illustrated 45% life size) Cap 2–5cm across, conical, becoming expanded and umbonate; dark grey to grey-brown; faintly grooved towards the margin. Stem 60–100×2–4mm, the base rooting; silvery grey, striate. Flesh whitish with a pallid line above the gills; thin; taste mild to slightly acrid, smell pleasant. Gills whitish to grey or pinkish. Spores 9–10×6–7¼, elliptical; amyloid. Spore print white. Cheilocystidia with swollen base and drawn-out, pointed apex, which may fork, thin-walled, hyaline. Habitat on twigs or buried wood; summer to late autumn. Common. Not edible.