An Acacia Tree in Bloom
There are several species of acacias, introduced into California from the southern hemisphere, that have become very popular. Their value as ornamental trees is well suggested by this photograph. Unfortunately they are not as hardy as could be desired, although they thrive almost everywhere in California. African species of acacia yield the gum-Arabic of commerce.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 11 Chapter 9