and finally black-brown as the spores mature. Spores are ellipsoid, smooth, dark-purplish brown when viewed microscopically, with dimensions of 6–7.5 by 4–5  µm . The stipe is 6 to 15 centimetres (2.4 to 5.9 in) by 1 to 1.5 centimetres (0.39 to 0.59 in) thick, and bulbous at the base. Initially