In this article we will discuss about the structure of Pogonatum with the help of diagrams. External Features of Pogonatum: The gametophyte is perrenial, differentiates into a rhizomatous basal portion and aerial upright shoots (Fig. 6.54A). The basal portion bears numerous rhizoids. The rhizoids are multicellular, elongated, thick-walled with oblique septa and are twisted together […]