Torosachrysone, physcion, floribundone-1, anhydrophlegmacin and a new
bianthraquinone, 9-(physcion-7'-yl) 10-dihydroxy-2-methyl-7-methoxy-1,
4-anthraquinone, named isosengulone, are reported from the seeds of Se
nna multiglandulosa. The compounds were identified on the basis of spe
ctroscopic and other physical data.