Abstract: In this article the autbor describes 2 species and 1 variety of Viola as new to science. Among them one is Viola weixiensis C. J. Wang. the style of which is convex without margin, but with papilose at summit, gradually passing into short beak directed slightly upward.The other Viola diffusoides C. J. Wang is glabrous, a perennial plant spreading by numerous leafy stolons. Its upper and lateral petal gradually narrowed into a claw at base. Viola moupinensis Franch. var lijiangensis C. J. Wang nearest to the typical variety, from which it differs by the yellow flowers and pilosebeneath the leaves. Based upon the detailed observations on the isotype of Viola vayinata Maxim. and topotype of Viola moupinensis Franch., the author holds, that the Latin name Viola moupinensis Franch. should be used for "huan" (萱)instead of the wrong use of Viola vaginata Maxim. for it;the correctionsof Which had already been made. Up to now the distributions of Viola vaginata Maxim. have not yet been found in China.