Flámmula, flámmulæ, f. g. pen. corr. Diminut. Colum. A little flame: also a certeine hearbe.
Lewis and Short: Latin dictionary
flammŭla, ae, f.dim. [id.], a little flame.I.Lit.: Timagoras negat sibi umquam, cum oculum torsisset, duas ex lucerna flammulas esse visas, Cic. Ac. 2, 25, 80; Col. 9, 14, 9.—II.Transf., in late Lat., a little banner used by cavalry, Veg. Mil. 2, 1; 3, 5.