Abstract: This paper mainly deals with the investigation on the species of the genus Corydalis collected from Zhejiang and nearby areas (Jiangsu, Anhui, Jiangxi, Fujian, Taiwan and Shandong). Eighteen species, five varieties and one form are recorded. Two new varieties, C. repens var. humosoides and C. pallida var. zhejiangensis, are described, one variety is raised up as the specks, two varieties are reduced to the synonymy, and one species, name is revised. C. repens^ C. racemosa and C. balansae are discussed. In addition, an enumeration including distributions and ten photographs by SEM are given.

Key words: Corydalis