MOUNTAIN TREES 



The Wislizenus Oak invades our 

 mountains and composes a considerable 

 portion of the upper chaparral growth 

 (5000-7000 feet). Its leaves are all 

 plane; lustrous green above, pale- or 

 yellowish-green below, entire or toothed. 

 The acorns are narrow, long and deep- 

 cupped. 



In the interior valleys of Central Cali- 

 fornia the Wislezenus Oak grows to a 

 large, spreading, dense-crowned tree 40 

 to 60 feet high. In our region it seldom 

 grows over 20 feet high (usually 5 to 

 10, the scrub form being considered a 

 variety (var fructescens Engl.). It 

 generally occurs in small, rather open- 

 growthed clumps mingled with Scrub 

 Oak or alone. Its branches are not so 

 stiff, rigid, and thorny or so intricately 

 and closely mingled as those of the 

 Scrub Oak, and its leaves are a decid- 

 edly more lively green and less leathery 

 looking, thus distinguishing itself from 

 the latter tree. Acorns of the Wisle- 



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