Tyromyces caesius (Schrad. ex. Fr.) Murr. syn. Polyporus caesius Schrad. ex Fr. Blauender Saftporling. Bracket 1–6cm across, 1–4cm wide, 0.3–1cm thick, single or in overlapping groups, semicircular; upper surface covered in fine long hairs, whitish, grey-blue with age or where handled. Tubes 0.5–4.5mm long, white later grey-blue. Pores 3–4 per mm, circular, white at first more grey or grey-blue with age. Spores white with grey-blue tint, sausage-shaped, amyloid, 4–5 x 0.7–1.0um. Hyphal structure monomitic; generative hyphae appearing glassy in KOH, and with clamp-connections. Habitat on dead conifers, especially spruce. Season all year, annual. Occasional. Not edible. Distribution, America and Europe.
|