Abstract:

In this paper a new species of Nitella, N. vermiformis, from Sichuan is reported. The

new species is the similar to Nitella procera Han from Yunnan. But gametangia of the latter

grow in every furcte, and fertile branchlets are similar to sterile ones. There are not central

radial branchlets and accessory branchlets in first furcate branchlet; the membrane of

oospore is vermiform-processed.

Key words: Nitella, Nitella vermiformis