Gyroporus cyanescens (Bull.) Quél. (illustrated 40% life size) Cap 6–12cm across; pale ochre, buff or dingy white, becoming more ochre, bruising blue or rusty; coarsely velvety, margin often shaggy. Stem 50–100×20–85mm; pale yellow at apex, gradually becoming concolorous with cap below; becoming hollow, often cracking to give ring-like zones. Flesh white, instantly blue-green on cutting; firm; taste and smell not distinctive. Tubes white at first then pale yellow, flushed sulphur- or greenish-yellow with age. Pores free; colouring similar to the tubes, bruising blue. Spores 9–11×4.5–6¼, elliptical. Spore print pale straw-colour. Habitat often with birch or spruce and on heaths; summer to late autumn. Rare. Edible good.