Bui. 623, U. S. Dept. of Agriculture. 



Plate I. 







One of the Two Washington Navel Orange Trees at Riverside, Cal., Grown 

 from Buds from Trees Imported from Bahia, Brazil, in 1870. 



From this tree and its companion the navel-orange industry of California has been developed within 

 the past 45 years. Photographed in March, 1916. 



