In Anthocerotales the antheridia are endogenous, and are embedded in the dorsal surface of the thallus in closed cavities. ... In Riccia and Pellia, the antheridia are enclosed in open antheridial chambers, scattered over the dorsal surface of the ... La O, diagrams of arrangement of sexual organs found in different mosses.
|Title||:||An Introduction to Embryophyta|
|Author||:||N. S. Parihar|