Source : Webster's Revised Unabridged Dictionary (1913)

Thoroughwax \Thor"ough*wax`\, n. (Bot.)
   (a) An umbelliferous plant ({Bupleurum rotundifolium}) with
       perfoliate leaves.
   (b) Thoroughwort.

Hare's-ear \Hare's"-ear`\, n. (Bot.)
   An umbelliferous plant ({Bupleurum rotundifolium} ); -- so
   named from the shape of its leaves. --Dr. Prior.