FLORA OF THE SAN ANTONIO MOUNTAINS 



73 



mer of 1917 and 1918, total twenty-nine days; on them we vis- 

 ited all the canons and peaks with the exception only of Swartout 

 Valley and Lone Pine Canon. These two canons were not visited 

 because of lack of time. However, thanks to the efforts of Dr. 

 Hall and Dr. Abrams, they are the best known parts of the San 

 Antonio Mountains. 



The only literature dealing in any way with the San Antonio 

 Mountains is Dr. Abrams' Flora of Los Angeles and Vicinity, 2 

 which has a range so defined as to include the coastal slopes. 



Fig. 1. Mount San Antonio as seen from the summit of Ontario Peak 



While fairly satisfactorj^ in the Upper Sonoran Zone, it was found 

 to be of little or no value in the pine belt, a fact not surprising if 

 one remembers that our knowledge of the south slope has been 

 obtained by two hurried collectors. 



The San Gabriel Mountains are one of the least known of the 

 Southern California group, a fact which is very apparent if they 



2 Abrams, LeRoy. Flora of Los Angeles and Vicinity. Stanford University, 

 Calif. April, 1917. Pp. 1^02. 



