Chestnut Bolete Gyroporus castaneus (Bull.) Quél. (illustrated 30% life size) Cap 3–10cm across; cinnamon to rusty or tawny, darkening with age; slightly downy at first, later smooth. Stem 35–95×11–30mm; concolorous with cap, often paler at apex; becoming hollow. Flesh white, unchanging; firm; taste mild and nutty-sweetish, smell slight. Tubes white then straw, becoming darker with age. Pores free; colouring similar to tubes, not bruising. Spores 8–11×4.5–6¼, elliptical. Spore print pale straw. Habitat usually with oak; summer to autumn. Occasional. Edible excellent.