Bui. 1038, U. S. Dept. of Agriculture. 
Plate 
A-HaentCc Baltimore 
Different Stages of Pecan Rosette. 
[ILLUSTRATION BY J. F. BREWER.] 
Fig. 1. — Enlargement of one of the yellow spots on a pecan leaf in the secondary stage of rosette showing 
the distortion of vein islets und their radial expansion around a focal center. X about 30. Fig. 2. — 
Pecan leaflet in the secondary stage of rosette, showing the distribution of yellow spots between the side 
veins and the criukling and roughening of the leaf surface. Natural size. Fig. 3.— Pecan leaflet 
showing the red-brown stage of rosette which often follows either the primary or the secondary stage. 
Natural size. Fig 4. — Pecan leaves in the primary stage of rosette, showing no external signs of the 
disease except the yellow mottling between the side veins. Natural size. 
