Source : Webster's Revised Unabridged Dictionary (1913)

Cornic \Cor"nic\ (k?r"n?k), a.
   Pertaining to, derived from, or resembling, the dogwood
   ({Cornus florida}).

Cornin \Cor"nin\ (k?r"n?n), n. (Chem.)
   (a) A bitter principle obtained from dogwood ({Cornus
       florida}), as a white crystalline substance; -- called
       also {cornic acid}.
   (b) An extract from dogwood used as a febrifuge.

Source : WordNet®

Cornus florida
     n : deciduous tree; celebrated for its large white or pink
         bracts and stunning autumn color that is followed by red
         berries [syn: {common white dogwood}, {eastern flowering
         dogwood}]