The four single panels symbolize the four golds of California; the poppies, the citrus fruits, the metallic gold, and the golden wheat.
"The Art of the Exposition"
Eugen Neuhaus
Their specialty is citrus fruits, but their products are not limited to that line.
"Cuba, Old and New"
Albert Gardner Robinson
It was cool and shadowy, and the air was heavy with the fragrance of citrus fruits.
"Time Crime"
H. Beam Piper