Aquilegia. Aquilegia vulgaris, L. Columbine.—A perennial herbaceous plant of the Fam. Ranunculaceae, indigenous to Europe, but cultivated in our gardens. At one time considered diuretic and diaphoretic, columbine is not at present used in practical medicine. For further information concerning this drug, see U. S. D., 19th ed., p. 1394.