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 […]
Structure of Marchantia (With Diagram)
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Reproduction in Riccia (With Diagram)
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In this article we will discuss about the vegetative and sexual modes of reproduction in Riccia. Vegetative Reproduction: Vegetative Reproduction of Riccia takes place by the following methods: (a) By Progressive Death and Decay of the Older Parts of the Thallus (Fragmentation): Vegetative propagation is taking place usually by the continuous growth from the growing […]
Structure of Porella (With Diagrams)
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In this article we will discuss about the structure of Porella with the help of diagrams. External Structure of Porella: The gametophyte of Porella is flat, dorsiventral and foliose (Fig. 6.21 A). The prostrate stem or axis is bi- or tripinnately branched. There are three rows of leaves arranged on the stem, two dorsal rows […]
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