The conifer collection at the Arnold Arboretum is dense in diversity and rich in history. Jim Gorman will lead participants through this collection explaining key identification features, natural history, medicinal and economic uses, and horticultural firsts. He will focus on members of the Pinaceae and Cupressaceae that populate the Northern Hemisphere, including firs, hemlocks, pines, cedars, junipers, cypress, calocedrus, and more. The class will take place July 9 and 23 from 6 – 8. Meet at the Bussey Street Gate. Fee: $40 member, $50 nonmember. Register at https://my.arboretum.harvard.edu/Info.aspx?EventID=1.