Ruby Bolete (Xerocomus rubellus)
Xerocomus rubellus

Deciduous and mixed forests, parks. Summer, autumn.
Fruiting bodies small. Cap 3—8 cm across, matt, slightly velvety, bright red, brownish-red, faded brownish-brown. Tubes yellow, yellowish-greenish. Stem 3—8x1.3—2 cm, yellowish-orange near the cap, as red as the cap around the middle, yellowish-pinkish at the base. Flesh yellow, turning blue when cut, without a particular smell or taste. Characteristic features: underside of the cap yellow, greenish-yellow, flesh turning blue. Grows in deciduous and mixed forests, especially oak woods with hornbeam, linden, ash and hazel. Rare, edible. Protected.