CLEMENTS 



Petran Montane Forest 



PLATE 48 ft 



A. /'iMS/>o7/<7VAsa consociation, I'lanstafT, Arizona. 



H. /^iMits /Jow/^To*;! consociation, Hcnd, Oregon. 



C. I'inus poiulcrosa consociation, lilaciv Hills, South Dakota. 



