Flammulina velutipes (Curt. ex Fr.) Karst. syn. Collybia velutipes (Curt. ex Fr.) Kummer Samtfussrubling, Collybie a pied veloute, Velvet Shank, Enoki, Enokitake. Cap 2-10cm across, convex at first then flattened, tan-yellow darkening towards the centre, smooth and slimy. Stem 30-10 x 4-8mm, tough and cartilaginous, yellowish at apex, dark brown and densely velvety below. Flesh thin, concolorous. Taste and smell pleasant. Gills pale yellow. Cheilo- and pleurocystidia present. Cap cuticle 'cellular' of irregular clavate elements with elongated narrow processes and conspicuous, fusiform, somewhat thick-walled dermatocystidia. Spore print white. Spores elliptic, 6.5-10 x 3-4mu. Habitat in clusters on decaying deciduous trees, especially elm. Season late autumn to spring; can survive being frozen solid and on thawing produces more spores. Common. Edible and good. (Never eat any mushroom until you are certain it is edible as many are poisonous and some are deadly poisonous.) Distribution, America and Europe. This mushroom is often sold in a cultivated form as Enokitake, the reason that it does not resemble the wild form is that it is grown entirely in the dark.