Abstract:Two new species of Bambusoidiae, F. damuniu Yi et J. Y. Shi, Fargesia yajiangensis Yi et J. Y. Shi, is described and illustrated from N. Sichuan & S. Tibet, China. This paper gives the supplementary descriptions about the character of the flower and fruit of Fargesia brevissima Yi, it is also first recorded for Fargesia Franchet emend. Yi Sect. Ampullares Yi.