oenotheris

oenŏthēra, ae, f., or oenŏthēris, ĭdis, f., = oinothêra or oinothêris (also ŏnŏ-thēra, onŏthūris ), a plant, the juice of which, drunk in wine, produces sleep:

onothera, sive onear, hilaritatem afferens in vino,

Plin. 26, 11, 69, § 111; acc. onothurim, id. 24, 17. 102, § 167; 26, 14, 87, § 146.