An Acacia Tree in Bloom 
There are several species of acacias, introduced into Cali- 
fornia 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, 
