In this article we will discuss about:- 1. Characters of Bryophytes 2. Functions of Bryophytes 3. Economic Importance. Characters of Bryophytes: Bryophytes are nonvascular terrestrial plants of moist habitats in which z multicellular diploid sporophyte lives as a parasite on an independent multicellular haploid. Gametophyte that develops multicellular jacketed sex organs. 1. They have over 25,000 species. 2. Bryophytes live [...]
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 and one ventral row. The [...]
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 [...]