IMPORTANT WESTERN BROWSE PLANTS _ 103 
Ficurp 28.—Hopbush (Dodonaea viscosa angustifolia), a cosmopolitan shruk or tree 
of warm regions, appearing in the range area perhaps only in Arizona. In times 
of feed scarcity it should be closely watched: A, Pistillate (female or fer 
spray with samaras or winged fruits; B, staminate (male or sterile) flower; C, 
seed; D, pistillate flower; EH, staminate spray; F, pistillate flowering spray 
Arizona, growing scatteringly on hillsides and along dry washes, 
together with hymenoclea, simmondsia, garrya, and hackberry, at 
elevations of about 3,000 to 4,500 feet, and often in calcareous souls, 
