- n Nitella fragile branching stoneworts
Century Dictionary and Cyclopedia
- n nitella A genus of cellular cryptogamous aquatic plants, of the class Characeæ and type of the order Nitelleæ. They are delicate plants, growing, like those of the genus Chara, in ponds and streams, and are rarely more than a few centimeters in height. About 80 species are known, of which number more than 30 are North American.