Eight alkaloids have been isolated from the bark of Ochrosia vieillardii. 7 are known: ellipticine (I), isoreserpiline (II), reserpiline (III), dimethoxypicraphylline (IV), ochropposinine (V), 1,2-dihydroellipticine (VII) and 1,2,3,4-tetrahydroellipticine (VIII). The eighth is new and has the structure Nb-hydroxyellipticine (VI). © 1972.