Participants in this special tour on Thursday, April 21 from 2:30 – 4 will take a look at the historic Arnold Arboretum collection and find out how and why an herbarium is assembled.

Irina Kadis, Curatorial Assistant at the Arboretum, will be your guide. Free, but registration is limited and required. Call 617-384-5251, or email adulted@arnarb.harvard.edu.