The extract of Boöphone disticha Herb, contains lycorine, hæmanthine (now obtained crystalline), and a small quantity of another alkaloid isolated as its picrate, C21H22O 11N4, whilst the principal constituent is a new alkaloid (distichine) C19H21O5N. Derivatives and ultraviolet and infrared spectra of hæmanthine and distichine are recorded.