verbena

verbēna ae, f

a leafy twig, olive-branch, sacred bough (of laurel, olive, myrtle, or cypress, borne by the fetiales): fetialis patrem patratum Fusium fecit verbenā caput tangens, L.: sacerdotes Cereris cum infulis et verbenis (as suppliants): ex arā hinc sume verbenas tibi, T.: Verbenas adole pinguīs, V., H., O.