The isolations of the following substances are described : cyasterone and ecdysterone from Ajuga decumbens THUNB., A. incisa MAXIM. and A. nipponensis MAKINO, and ecdysterone from Trillium Smallii MAXIM., T. Tschonoskii MAXIM., Stachyurus praecox SIEB. et Zucc. and Polypodium japonicum MAKINO.
