Common Puffball - Lycoperdon perlatum

Fruit body 2.5 to 6cm across, 2 to 9cm high, subglobose with a distinct stem, white at first becoming yellowish brown, outer layer of short pyramidal warts especially dense on the head, rubbing off to leave an indistinct mesh-like pattern on the inner wall which opens by a pore. Most Puffballs are edible when young and white inside. 

Grows on the ground in woods

Usually found from summer to late autumn

Common throughout Britain

Very common in Leicestershire and Rutland.