bryum

from The Century Dictionary.

• noun A large and important genus of mosses, characterized by fruit borne at the ends of the branches, and a pendent, pyriform capsule which has a double row of transversely barred teeth.

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

• noun type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules