BALKAN PENINSULA 



275 



root, and various other vegetables. Forests are deficient 

 in the lowlands and on the lower hills up to 1,500 feet. 

 Clumps of mixed deciduous woods, dominated by the 

 manna ash, represent the tree vegetation. Among the 

 lower uplands and foot-hills, , cultivation includes the 

 vine, tomatoes, sugar- and water-melons, and southern 

 fruit-trees such as peach, apricot, almond, and mulberry. 



FIG. 107. Characteristic vegetation Serbia. 



About 1,600 feet above sea-level, broad-leaved, summer- 

 green trees, mostly oaks, intermixed with black pines, 

 walnuts, &c., begin to close in regular forests of some 

 extent. Maize and wheat, tobacco, apple, plum, and 

 walnut are grown in this belt, which reaches up to 

 3,600 feet. 



Among the highlands proper, the vegetation of oaks 

 and black pines gives way to true mountain forests dis- 

 tinguished, as in central Europe, by heavy mixed masses 



T 2 



