bryales

Century Dictionary and Cyclopedia

1. An order of mosses, the true mosses, characterized by having the spore-case separated from the wall of the capsule by a hollow cylindrical intercellular space. It is divided into the Acrocarpi and Pleurocarpi (ranked as suborders) and embraces by far the greater part of all mosses.

WordNet 3.0

1. n. category used in some classification systems for mosses having the spore case separated from the capsule wall by a hollow intercellular space