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"[Plin. Nat. 27.117.] - THE TRAGOPOGON OR COME.
There is the tragopogon, also, by some called "come;" a plant with a small stem, leaves like those of saffron, an elongated, sweet, root, and a large, swarthy calyx at the extremity of the stem. It grows in rugged soils, and is never used. "
(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.)