260 



PLANTS AND MAN 



white pine blister rust (see p. 430), and an insect pest, the white 

 pine weevil, have caused a sharp drop in its importance in this 

 respect. 



The southeastern forest region, embracing the eleven South 

 Atlantic and Gult States from Virginia to Texas, inclusive, with 



Fig. 182. — The long-leaf pine is a common tree of our southeastern coast. 



Arkansas and Eastern Oklahoma is often referred to as the 

 Southern Pine region, since it is dominated by four species of 

 pine. The lumber of these four — longleaf, shortleaf, slash, and 

 loblolly — is known collectively as "southern yellow pine," and 

 for the past thirty years or more has been one of the leaders in the 

 lumber industry. Almost one third of the total annual cut of 

 lumber in the United States is of this group. The most important 



