CALLUNA-Heather (Callu’na). Small, hardy, evergreen shrubs which grow wild in many parts of Europe and in a few localities in North America. They belong to the Heath family, Ericaceae. The name is derived from kallunein, to sweep. Branches are used as brooms. Only one species . is known, C. vulgaris, the common Heather or Scotch Heather, but it has many […]