Two new alkaloids, 6-O-methylhaemanthidine (1) and O,N-dimethylnorbelladine (2), were isolated from Pancratium maritimum L., together with lycorine, hippeastrine, galanthamine, haemanthamine, haemanthidine, vittatine, 11-hydroxyvittatine, hordenine and 9-O-demethylhomolycorine (all previously isolated from this plant), and habranthine, ungiminorine and ungiminorine N-oxide. © 1988.