Participants in this special indoor tour of the Arnold Arboretum Herbarium on Thursday, Octobrer 19 will take a look at the historic Arnold Arboretum collection and find out how and why an herbarium is assembled. Meet Curatorial Assistant Irina Kadis at 2:30 in the Visitor Center of the Hunnewell Building. Free, but registration is limited and required at my.arboretum.harvard.edu
