"[Plin. Nat. 22.79] - BROMOS: ONE REMEDY.
Bromos is the seed also of a plant which bears an ear. It is a kind of oat which grows among corn, to which it is injurious; the leaves and stalk of it resemble those of wheat, and at the extremity it bears seeds, hanging down, something like small locusts in appearance. The seed of this plant is useful for plasters, like barley and other grain of a similar nature. A decoction of it is good for coughs.”
(The Natural History. Pliny the Elder. John Bostock, M.D., F.R.S. H.T. Riley, Esq., B.A. London. Taylor and Francis, Red Lion Court, Fleet Street. 1855.)