plumbāgo, ĭnis, f. [plumbum]. I.A species of lead ore, black-lead, plumbago, also called molybdaena, Plin. 34, 18, 50, 168.—B.Transf., a leaden color in gems, Plin. 37, 5, 18, 68.—II.A plant, also called molybdaena, leadwort, fleawort, Plin. 25, 13, 97, 155.