L. scaribsa - Color, purple. This differs from the last but little, being of a variable type. Leaves, stiff, narrow, the lowest slightly broader, petioled, the upper growing smaller until bract-like. Flowers, in round heads, under which the bristling scales of the involucre are very prominent, their tips sometimes purplish. 2 to 5 feet high, with same range as the preceding. Late summer.
Dry, sandy soil, Maine to Nebraska and southward.