Explore the beauty and variety of plant forms using pencil, watercolor, and colored pencil. This three-session Harvard Museum of Natural History course will introduce botanical drawing techniques through close observation and practice with contour, gesture, foreshortening, shading, and color. All skill levels are welcome. Instructor: Erica Beade. Fees: $180 HMNH members/$198 nonmembers. Advance Registration required at  www.hmnh.harvard.edu. Classes meet at 26 Oxford Street in Cambridge on April 18, 25, and May 2, from 9:30 – 11:30.