Devil's-bit / Devil's-bit scabious / Premorse

Medicinal Parts: the dried herb
Constituents
Iridoide monoterpenes; including among others, dipsacan, cephalaroside (structures unknown)
Flavonoids including among others, saponarine (C-glycosyl-flavone)
Triterpenes; including among others, ursolic acid
Effects
It's a febrifuge and a diaphoretic
Uses
Used for febrile colds and coughs.
Used as an infusion.