56 



ECONOMIC BOTANY OF ALABAMA. 



LIST OF TREES— Continued. 



About 34% of the trees in the original forests seem to 

 have been evergreen. There are represented here fifteen 

 species of oak, which together make up nearly one- 

 fourth of the forest growth. 



Population, amount of woodland, etc. — The coal basin 

 region had in 1910 about 40 inhabitants to the square 

 mile, an increase of 38% since 1900. About 70% of them 

 are white. But there are probably nearly as many min- 

 ers as farmers in the region,* and about 80% of the 



*In Walker and Jefferson Counties, excluding the cities of Birm- 

 ingham and Bessemer (which are in the Coosa valley region and 

 probably number very few coal miners among their citizens) there 

 were in 1910, according to the census, 33,095 adult male inhabit- 

 ants. The number of men employed in or around coal mines in 

 the same two counties, according to reports of the state mine in- 

 spector, was 14,443 in 1909 and 15,168 in 1911. Even if some of 

 the miners are not adults, if the merchants, railroad men, iron 

 miners, etc., were deducted from the total adult male population 

 it would doubtless leave the farmers less numerous than coal min- 

 ers in the areas named. 



