The Bryophyta (Gr. bryon-moss; phyton-plants) is represented by about 850 genera and more than 23000 species, which are cosmopolitan in their distribution. Important characteristic points of the bryophyta are as follows: 1. Occurrence: Majority of the plants are terrestrial, except a few, which occur in aquatic surroundings like Riccia fluitans, Ricciocarpus natans, Riella and Sphagnum. They like to grow in [...]
In this article we will discuss about the external features of funaria. 1. Plant body is gametophytic, and each gametophore consists of rhizoids, 'stem' and ‘leaves’ (Fig. 194). 2. Each gametophore is slender, erect and attains a height of 1 to 3 cm or more. 3. Rhizoids arise from the base of the 'stem' in the form of tufts. 4. [...]
In this article we will discuss about:- 1. External Features of Riccia 2. Anatomy of Gametophyte in Riccia 3. Sex Organs. External Features of Riccia: Study dorsal and ventral surface of the thallus; separate scales and mount in glycerine; also separate rhizoids from the ventral surface, stain in safranin, mount in glycerine and study: 1. Gametophytic plant body is thalloid, [...]