Boletus subtomentosus L. ex Fr. SamtigerRöhrling Cap 4–10cm, very velvety, fulvous to pale sepia, darkening where rubbed or bruised. Stem up to 80 x 10–15(20)mm, pale at apex and yellow towards middle sometimes with a wide, coarse, irregular network of dark brick-coloured veins, paler again towards the base. Flesh white in cap with a date-brown line beneath the cuticle, rust above tubes and flushed lemon-yellow in base of stem, hardly blueing or not at all on cutting. Taste and smell not distinctive. Tubes lemon-chrome blueing on exposure to air. Pores large, angular, similarly coloured, bruising blue on handling then fading. Spore print olivaceous snuff-brown. Spores subfusiform-ellipsoid, 9–11.5 x 3.5–4.5µ. Habitat in broad-leaved and mixed woods, particularly with birch. Season autumn. Rare. Edibility unknown. Distribution, America and Europe.