"[Plin. Nat. 22.10.] - THE ACANOS; ONE REMEDY.
There are some authors, too, who make the acanos to be a species of eryngium. It is a thorny plant, stunted, and spreading, with prickles of a considerable size. Applied topically, they say, it arrests hæmorrhage in a most remarkable degree.”
(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.)