290 CASAS GRANDES TO 
The vegetation of this desert is the same as that 
near the Gila, viz., dwarfish mezquit at intervals, larrea 
Mexicana, palo verde, and cacti; the great petahaya 
luxuriating as usual in the barrenness. A tuft of grass 
was occasionally seen, and now and then some brilliant 
flower that had ventured to ‘‘ waste its sweetness on 
the desert air.” 
Tiecacho of the Tucson desert, from the South. 
The mud holes here were filled with water, but so 
turbid that we could not taste it. We had enough, 
however, in our canteens and kegs for drinking pur- 
poses. There was quite a thicket of mezquit here, and 
