from the GNU version of the Collaborative International Dictionary of English
- n. a low American biennial plant (Houstonia cærulea), with pretty four-lobed corollas which are pale blue with a yellowish center; -- also called bluets, and little innocents.
from The Century Dictionary and Cyclopedia
- A name given to the delicate bluish-gray flowers of the Houstonia cærulea, from an idea that they suggest the pale colors of the dress adopted by ‘Quaker ladies’; bluets.
Sorry, no etymologies found.