The substances, m.p. 80 �C (hydroxypaeonol) and m.p. 68-69 �C (xanthorrhoein) isolated from the resins of several Xanthorrhoea spp. by Rennie, Cooke, and Finlayson (1920) are shown to be phloroacetophenone 2,4-dimethyl ether (I ; R=OCH,) and a (+)-methoxymethylnaphthodihydrofuran probably with one oxygen α- and the other in a β-position of the naphthalene ring.