Actual gametangia are very similar to those of Riccia . Antheridiophores are disc like, with scalloped edges. Antheridia are deep in the upper portion. Archegoniophores with 8 lobe-like fingers, under which are located the archegonia. Archegonium grown at same pace as sporangium, forming a calyptra .
Elaters eject spores.
Homothallic or heterothallic. B. Sporophyte notable in that it has meristematic tissue. V. Class Musci. - Mosses Small, but conspicuous plants. Grow on banks, rocks in streams. Can resist drought, but require moisture for growth.