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UNIVERSITY OF CALIFORNIA EXPERIMENT STATION. 



English oaks and fifteen cork oaks remain. Many of these are branched, 

 shrubby, and spreading, and have suffered from being browsed upon; 

 but forty-nine of the English oaks are of good size, with trunks girthing 

 over 15 inches, and twenty of these exceed 18 inches. The average 



height, of the English oaks, however, is only 10 or 12 feet. Eight or nine 

 trees are much taller than this, and are conquering the unfortunate 

 tendency toward a shrubby growth. (See central oak in Plate 20.) 

 The best cork oaks are rather larger in girth of trunks than are the 



