"[Plin. Nat. 24.108.] - THE HERB CALLED LINGUA: ONE REMEDY.
There is a herb called “lingua,” which grows in the vicinity of fountains. The root of it, reduced to ashes and beaten up with hog’s lard—the hog, they say, must have been black and barren—will cure alopecy, the head being rubbed with it in the sun.”
(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.)

"[Plin. Nat. 25.84.] - THE LINGULACA: ONE REMEDY.
The same is the case too with the lingulaca, a plant that grows in the vicinity of springs, and the root of which is reduced to ashes, and beaten up with hog’s lard. Due care must be taken, however, that it is the lard of a female, of a black colour, and one that has never farrowed. The application is rendered additionally efficacious, if the ointment is applied in the sun. Root, too, of cyclaminos is employed in the same manner for a similar purpose. A decoction of root of hellebore in oil or in water is used for the removal of porrigo. For the cure of head-ache, root of all kinds of panaces is used, beaten up in oil; as also aristolochia and iberis, this last being applied to the head for an hour or more, if the patient can bear it so long, care being taken to bathe m the meanwhile. The daucus, too, is curative of head-ache. Cyclaminos, introduced into the nostrils with honey, clears the head; used in the form of a liniment, it heals ulcers of the head. Peristereos, also, is curative of diseases of the head.”
(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.)