Green season -- Artists' Gallery in the American City Building, 10227 Wincopin Circle, Columbia, will show Passion in Green, an exhibition of oil and ink paintings by Columbia artist Xun Cui, from Monday through July 28. Cui uses traditional and contemporary techniques to convey the theme of "green." One of her works is at left. A reception is planned from 6 p.m. to 8 p.m. July 7. Gallery hours are from 11 a.m. to 5:30 p.m. Monday through Friday; 9:30 a.m. to 12:30 p.m. Saturday, or by appointment. 410-740- 8249.