Bui. 308, U. S. Dept. of Agriculture. 



Plate V. 





F-13222A 



Fig. 1.— Encroachment of Shortleaf on Successively Abandoned Portions of 

 Cotton Field. Stands of Six Different Aqes. 



Fig. 2.— Very Dense Stand of 9-Year-Old Seedlings, 42,000 Trees Per Acre. 

 Note Close Relation Between Density and Development. 



