22 October 2008 West Sussex. Photograph copyright Leif Goodwin
Sub-spherical, to pear shaped, initially white and coarsely warty, the warts fall away to leave a smooth surface decorated with a network, darkening with age. The insides ripen into a powdery spore mass which is released when the thin outer skin ruptures. The fungus grow to about 12 cm across.
White then olive-brown
Grassland, heaths, and lawns
Spores spherical, smooth (4-5) µm
Edible when white throughout
Utriforme means 'bladder or bag shaped'
24 October 2014 West Sussex. Photograph copyright Leif Goodwin