Another small puff-ball everywhere common in woods is the lycoperdon pyriforme, so called because of its pear shape.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
It is somewhat smaller than the gem-bearing lycoperdon, is almost sessile, sometimes many crowded very close together, and especially is it characterized by prominent root-like white strands of mycelium which are attached to the base where the plant enters the rotten wood.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
It is Reticularia lycoperdon, Bull.
"The Myxomycetes of the Miami Valley, Ohio"
A. P. Morgan