Pictured is kalmia in bloom at the Arnold Arboretum, a department of Harvard University.

Kalmia in Bloom at Arnold Arboretum

Pictured is kalmia in bloom at the Arnold Arboretum, a department of Harvard University.

Pictured is a tree still standing in the Humphrey Marshall collection of the Arnold Arboretum.

Still Standing Tree

Pictured is a tree still standing in the Humphrey Marshall collection of the Arnold Arboretum.