Bui. 66, Bureau of Chemistry. U. S. Dept. Agr. 



Plate VIIL 



Fig. 1 .— Fibrovascular Bundles of Plum. < 75. 



^•^■//X^^, 



•>y 



/ ^^: 



m^^-^ 



Fig. 2.— Fibrovascular Bundles of Peach, x 75. 



Photographs hy Burton ,1. Howard. 



