3',7-Dihydroxy-4'-methoxy-B-methylflavan, 3',7-dihydroxy-4'-methoxyflavan and 5-hydroxy-7methoxy-2-methyl-4H-chromen-4-one (eugenin) were isolated from the whole plant of Hymenocallis littoralis. 3',7-Dihydroxy-4'-methoxy-B-methylflavan, 3', 7-dihydroxy-4'-methoxyflavan were found for the first time from the species. Structures of the compounds were elucidated by means of spectroscopic methods.