Inside this Issue
Arboretum Dedication Program
By William S. Stewart
Africa, Plants, Elephants and Hippo Pools
By Peggy Sullivan
Experiments in Air Layering
By Francis Ching
Hellebores in Southern California
By Mildred Davis
Progress in Botanical Illustrations
By Scott E. Haselton
A Visit to Linnaeus's Botanical Garden
By Elizabeth McClintock
