Two new cage-type lupin alkaloids, (-)-tsukushinamine-B and tsukushinamine-C, have been isolated from the fresh epigeal parts of Sophora franchetiana, along with (-)-cytisine, (-)-N-formylcytisine, (-)-rhombifoline, (-)-anagyrine, (-)-baptifoline and (±)-ammodendrine, as well as (-)-tsukushinamine-A. The structures of these novel tsukushinamine-type lupin alkaloids were determined by spectroscopic data and partly by a chemical reaction. Variations of the alkaloid contents in the seeds, seedlings and various parts of S. franchetiana were also examined. © 1981.