Learn to identify plants in the field through studying the plants of the Chicago region at The Morton Arboretum. Wednesdays, June 13 through August 1, 2018. 6:30 to 9:00 p.m., and Saturdays, June 16 through July 28, 2018, 9:00 a.m. to 1:15 p.m. Except on Saturday, July 14, class will meet 9:00 a.m. to 4:00 p.m.