﻿Bui. 9, U. S. Dept of Agriculture. 



Plate IV. 



Fig. 1.— Drifting Sands Held in Place Along a Car Track by a Plantation of 

 Albizzia lophantha, Near the Cliff House, San Francisco. 



Fig. 2.— A Massed Planting of Acacia longifolia in the Reclaimed Portion of 

 Golden Gate Park, San Francisco. Blue Gum, Eucalyptus globulus, and 

 Monterey Cypress in the Background. 



