The isolation and identification of six alkaloids from the whole plant of Thalictrum delavayi are described. The alkaloids isolated were the aporphines (+)-isocorydine, (+)-Ieucoxylonine, (+)-ocoteine, and (+)-magnoflorine; the bisbenzylisoquinoline alkaloid (+)-hernandezine; and the phenanthrene alkaloid thalicthuberine. © 1982.