gleba

noun, plural gle·bae [glee-bee] /ˈgli bi/. Mycology.

1. the sporogenous tissue forming the central part of the sporophore in certain fungi, as in puffballs and stinkhorns.

Plural glebae (glē′bē′)

1. The fleshy, spore-bearing inner mass of the basidiomycete fungus known as the puffball.