UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BOTANY 



Vol. 1, pp. 1-140, Pis. 1-14 June 7, 1902 



A BOTANICAL SURVEY OF SAN JACINTO 



MOUNTAIN 



BY 



Harvey Monroe Hall 



L£dJRARV 



NEW YORK 



BOTANICAL 

 CONTENTS. OaJ^DEN 



I.— Introduction. page 



Selection of San Jacinto Mountain 3 



Eegion covered and collections made 3 



Collections made by others 5 



II. — General Features of San Jacinto Mountain. 



Position 6 



Topography 7 



Soil and climate 8 



Geology 10 



III.— Plant Distribution on San Jacinto Mountain. 



The life zones 10 



The Upper Sonoran Zone.. 12 



The Transition Zone 13 



The Canadian and Hudsonian Zones 15 



The Alpine Zone 16 



The phytogeographic formations 16 



The chaparral formations 17 



The forests 19 



The undergrowth 20 



The meadows 27 



The riparian formation 30 



The pond formation 31 



The crest formation 32 



