THE undeveloped flower-buds of Sophora japonica, a leguminous plant growing in the north of China, contain a yellow colouring niatter, which has been examined several times without any definite conclusion as to its nature having been arrived at. Stein (J. p. CJzem., 58, 399 ; 85, 351 ; 88, 280), as well as Spiess and Sostmann (Arch. Pharm., 122, 75) , considered it to be identical with Rutin, the colouring matter contained i n garden rue, buckwheat, and other plants. The subject was

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... investigated by Foerster (Ber., 15, 214), whose experiments seemed to show t h a t the colouring matter of the Xophora buds was a peculiar substance, to which he accord-