Source : Webster's Revised Unabridged Dictionary (1913)

Campanulaceous \Cam*pan`u*la"ceous\, a. (Bot.)
   Of pertaining to, or resembling, the family of plants
   ({Camponulace[ae]}) of which Campanula is the type, and which
   includes the Canterbury bell, the harebell, and the Venus's
   looking-glass.