Source : Webster's Revised Unabridged Dictionary (1913)

Gleba \Gle"ba\, n.; pl. {Gleb[ae]}. [L., a clod.] (Bot.)
   The chambered sporogenous tissue forming the central mass of
   the sporophore in puff balls, stinkhorns, etc.

Source : WordNet®

gleba
     n : fleshy spore-bearing inner mass of e.g. a puffball or
         stinkhorn