"Mahonia and Their Kin" Mark Weathington, Director Many mahonias and other members of the Berberidaceae family are beautiful ornamental plants. Join Mark Weathington on this tour as he discusses some of his favorite mahonias (Mahonia), barberries (Berberis), barrenwort (Epimedium), nandina (Nandina), and Mayapples (Podophyllum). Cost: Free for members, $5.00 for nonmembers. Registration: Advance registration is not available.…