In this article we will discuss about the anatomy of selaginella. Cut thin transverse sections of stem, root, rhizophore and root by inserting the material in pith, stain them separately in safranin-fast green combination, mount in glycerine and observe under microscope. Also compare your preparations from the prepared permanent slides of these parts. T. S. Stem: 1. Anatomically, it is [...]
In this article we will discuss about the external features of equisetum. 1. Plant body is sporophytic and the sporophyte is a well-branched perennial herb. 2. Size of the plant body ranges from a few centimeters as in Equisetum scirpoides to several metres as in E. giganteum (up to 13 metres). Most of the species are less than a meter [...]
In this article we will discuss about the external features of lycopodium. 1. Plant body is sporophytic and the sporophyte is divisible into roots, stem and leaves (Fig. 224). 2. The genus is divisible into two subgenera, i.e., Urostachya and Rhopalostachya. In sub-genus Urostachya, the plant body is erect or pendant, rarely branched, with rarely organized strobili, and the sporophylls [...]