1) Part of a puffball 2) Puffball part 3) Reproductive structure 4) Spore mass 
Gleba is the fleshy spore-bearing inner mass of fungi such as the puffball or stinkhorn. The gleba is a solid mass of spores, generated within an enclosed area within the sporocarp. The continuous maturity of the sporogenous cells leave the spores behind as a powdery mass that can be easily blown away. The gleba may be sticky or it may be enclosed...
• (n.) The chambered sporogenous tissue forming the central mass of the sporophore in puff balls, stinkhorns, etc.
(from the article `mimicry`) ...of the genus Phallus, found in woodlands and meadows of the Northern Hemisphere. The cap of the young stinkhorn is covered with a thick, ...
Gle'ba noun ; plural Glebæ . [ Latin , a clod.] (Botany) The chambered sporogenous tissue forming the central mass of the sporophore in puff balls, stinkhorns, etc. 
[n] - fleshy spore-bearing inner mass of e.g. a puffball or stinkhorn
the sporogenous tissue forming the central part of the sporophore in certain fungi, as in puffballs and stinkhorns.