Fifty spectacular examples of contemporary botanical art by the finest painters in the world are currently exhibited at the Reeves-Reed Arboretum in Summit, New Jersey.   Aside the paintings are magnifying glasses for closer inspection of the flawless dry-brush watercolor technique. The works embody the stylistic interpretation unique to the artists, mostly sharing knowledge of the plant in a classical plant portraiture manner with supreme elegance.  Shown in an historic estate on the Arboretum grounds with  beautiful gardens unfolding around it,  an ideal place to view botanicals both painted and alive.