Family, Flax. Color, purplish blue. All parts of the flower in fives, regularly alternate with one another. Flowers, in terminal corymbs, large, delicate. Leaves, alternate, linear, sessile, entire, without stipules.
The fibrous part of the plant is used in the manufacture of linen cordage, sail-cloth, etc. Its seed furnishes flax-seed oil. Cultivated in this country, and in places escaped from cultivation.