We report the isolation of four new cularine-related alkaloids from Sarcocapnos baetica (Boiss.& Reuter) Nyman subsp. integrifolia (Boiss) Cuatrec.: (+)-4-hydroxysarcocapnidine (1), 3,4-dioxosarcocapnidine (2), (+)-sarcocapnidine N-oxide (3) and (+)-N-methylcularine (4). © 1988.