[ISy fiermission of U. S. Dept. of Agriculture. 
Fig. 15. — Loblolly Pine Forest and Loblolly Sleepers. 
quantity of sap, and, as a rule, it comes in shorter lengths 
and greater scantling, often 16 or 17 inches a side. It is a 
quick-growing tree, and in forty years has attained a height 
of 80 ft. and 16 inches diameter. It is the first pine to 
