In this article we will discuss about the process of reproduction in porella with the help of diagrams. Porella (Fig. 2.11 A, B) is dioecious and dimorphic. Male plants are smaller than female plants. The antheridia occur on small lateral branches (Fig. 2.11C) which are almost perpendicular to the main axis. Although the female plants are bigger than male plants, [...]
In this article we will discuss about the asexual and sexual modes of reproduction in marchantia with the help of diagrams. Asexual Reproduction in Marchantia: Asexual propagules - gemmae - occur in a gemma-cup (Fig. 2.6A). On the floor of the cup are seen numerous mucilage papillae and many biconvex discoid gemmae (Fig. 2.7E). A gemma (Fig. 2.7F) is borne [...]
In this article we will discuss about the anatomy of anthoceras with the help of a suitable diagram. The thallus of Anthoceros is several layers thick but it lacks a definite midrib. In a thallus all cells are thin-walled (Fig. 3.2B). On the ventral surface of the thallus are smooth colourless rhizoids. Stomata-like pores occur on the undersurface. On the [...]