Morphology of Nostoc (With Diagram) | Algae
In this article we discuss about the external morphology of nostoc. 1. Thalli are present in the form of colony. 2. Ball like colony is enveloped by a gelatinous sheath (Figs. 56, 57). 3. Balls are greenish to bluish-green in colour. 4. Each colony contains thousands of straight or twisted filaments or trichomes (Fig. 57). 5. Each trichome [...]