From the combined alkaloids of the epigeal part of Haplophyllum foliosum (family Rutaceae) the new alkaloid foliminine, with the composition C17H17O3N has been isolated, and for it the most probable structure of 7, 8-(α,α-dimethyl-β,γ-dihydropyrano)-4-methoxyfuranoquinoline has been proposed. © 1975 Plenum Publishing Corporation.