Tricholoma portentosum (Fr.) Quél. (illustrated 40% life size) Cap 5–10cm across, conical to bell-shaped, expanding with a broad umbo; light grey to grey-black, covered in fine, radiating, innate streaks, often with olivaceous or violaceous tints. Stem 40–100×10–20mm; white, often becoming flushed lemon-yellow. Flesh white; taste and smell mealy. Gills white then lemon-yellow. Spores 5–6×3.5–5¼. Spore print white. Habitat with conifers; autumn. Uncommon. Edible.
