[cLEMENTS: ORIGIN OF DESERT CLIMAX AND CI.IMATe] 



■■^"»^y.agai'titaf.->TH4- ■„■ -^ 



Fig. I. a. Desert climax of Lcirrea-Franseria, the leaves killed by the 

 1934 drouth phase of the climatic cycle. 



Fig. I. b. Larrea transad relict in the grassland of the upper San Joaquin Valley. 



