Abstract: This paper recorded a new species i. e. Dendrocalamopsis lineariaurita Yi et L. Yang of Bamsusoidece,Poaceae,and a new forma Dendrocalamopsis lineariaurita Yi et L. Yang f. luridilineata Yi et L. Yang,f.,a new forma of Phyllostachys violascens(Carr.) A. et C. Riv. f. aurantiaYi,f. They were found recently in Dujianyan,Suchuan. These several new taxon could only be seen in the collection site of pattern species,and could not be seen or cultivatied in other sites.