SHREVE Plate 36 
A. Santa Catalinas viewed from north, showing grassy plains at elevation of 4,200 feet in the vicinity of 
Oracle. At right Prosopis velutina, at left Yucca alata. 
ns. Sa ‘ f * : 2 : 5 
B, At north base of Santa Catalinas looking toward San Pedro River, at 4,500 feet. At right Quercus emoryt 
and Nolina microcarpa, at left Yucca alata. 
