Inside this Issue
Plants Have Diseases Too
By James P. Martin, Jr.
California Arboretum Foundation Gifts
The Daimio Oak: Quercus Dentata
By Ross Goodrich
The Tulip and the Netherlands
By F. A. Stafleu
Cover Picture (Prunus yedoensis cv. Akebono)
By John Valadez
Studies on Chemicals to Protect Plants from Smog Damage
By Arthur Lanz and W. S. Stewart
Garden Tour of the Medical Center at UCLA
By Dora Gerard