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 in a rope-like manner to [...]
In this article we will discuss about the structure of Marchantia with the help of diagrams. External Structure of Marchantia: The gametophyte of Marchantia is a dichotomously branched, prostrate, dorsiventral thallus (Fig. 6.8). The dorsal surface of the thallus shows many regular rhomboidal or polygonal areas (Fig. 6.9A). Each area has a pore at the center. A distinct median groove [...]
In this article we will discuss about the structure of Funaria with the help of a diagram. External Features of Funaria: The erect gametophytic plant (Fig. 6.47A) is about an inch high with an erect leafy axis or stem attached to the substratum by rhizoids. The axis is radial, often branched axillary or extra-axillary. The axis is covered with spirally [...]