Clavariadelphus fistulosus (Fr.) Corner syn. Clavaria fistulosa Fr. Röhrige Keule Clavaire fistuleuse Pipe Club. Fruit body 7–30cm high, 2–8mm broad, yellow then tawny, simple, solitary or gregarious, acute then obtuse, often deformed. Spores white, subfusiform, 10–18.5 x 4.5–8µ. Habitat on twigs of frondose and coniferous trees, especially beech. Season autumn to winter. Rare. Edible but not worthwhile. Distribution, America and Europe.