PALO BLANCO OR HACKBERRY 



Celtis reticulata ToRREY. 



During the summer of 1919 Mr. S. B. 

 Parish, the foremost authority on the 

 flora of Southern California, became in- 

 terested in verifying a statement to the 

 effect that a certain Daniel Cleveland, a 

 botanist, had some forty years ago col- 

 lected specimens of this rare tree "on 

 the summit of Laguna Mountain, San 

 Diego County." "This seemed an im- 

 probable place to me," said Mr. Parish 

 in a letter to the author describing the 

 trip in search of the tree, "and, indeed, 

 an effort to re-discover the tree there had 

 been made, and had failed. It seemed 

 like hunting a needle in a haystack, to 

 find a single tree in the chaparral moun- 

 tains of San Diego County. But I 

 learned that Mr. Cleveland had started 

 from Campo and as roads are few there- 



The name CELTIS was used by Pliny for an African 

 Lotus tree but was taken up by Linneas, following 

 Tournefort for the trees with which it is associated in 

 modern times. Britton. 



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