.dj% 





A 



Primary succession on alluvial fan: recent wash with scattered pioneers ol 

 numerous species; low terrace at right with partially developed Adenostoma 

 climax; uneroded remnant at left with Adenostoma. Mill Creek Wash, south 

 base of San Bernardino Mountains. 



B. Primary succession on alluvia! fan: coastal sagebrush on old wash; Syrmahum 



glabrum, Eriogonum fascicvlatum, and others; Adenostoma climax on terrace. 

 Mill Creek Wash, south base of San Bernardino Mountains. 



C. Coastal sagebrush on south-facing unstable slope: Ramona stachyoides, 



Artemisia californica, Eriogonum fasciculaium, Eneelia farinosa. Smiley 

 Heights, near Hedlands. 



