gasteromycetes

from The Century Dictionary.

• In mycology, one of the principal divisions of the Basidiomycetes, characterized by having the hymenium inclosed, lining small cavities, which are formed within a peridium.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Bot.) An order of fungi, in which the spores are borne inside a sac called the peridium, as in the puffballs.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Plural form of gasteromycete.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi