MAMMALS OF THE MEXICAN BOUNDARY. 69 



SAMBUCUS GLAUCA Nuttall. 

 PALE ELDER; SANCO. 



On the east, the Mexican sanco ^^•as first met with on the Santa 

 Cruz River of Sonora and Arizona, its range extending westward 

 across the Coast Range of California. Specimens were collected in 

 Arizona, California, Lower California, and Sonora, Mexico. Its 

 habitat is along permanent streams and about springs in the Sonoran 

 L(ife Zone. At Santo Domingo, on the Sonoyta River, Sonora, Mexico, 

 Don Cypriano Ortejo, alcalde of the village, showed me a tree 

 (specimen No. 2718) measuring 1.5 meters (5 feet) in circumfer- 

 ence and 8 meters (2G feet) in height, which was known to he ?A 

 years old in the year 1894. This was the largest one seen, although 

 many in the Santa Cruz Valley were large. 



INTRODUCED SPECIES OF TREES, NOW GROWING WITHOUT CULTIVATION ON 

 THE MEXICAN BORDER OF THE UNITED STATES. 



CHAMAECYPARIS sp. 

 CEDAR. 



An ornamental shade tree which has sparingl}^ escaped from cul- 

 tivation at Brackettville, Kinney County, Texas. 



FICUS sp. 

 FIG. 



Large trees were found growing without cultivation at Strickland 

 Springs, Kinney County, Texas; in the Pozo Verde Mountains, Ari- 

 zona ; in the neighborhood of Sonoyta, Sonora ; and at Ranclio de San 

 Isidro, Lower California. 



MELIA AZEDARACH Linnaeus. 

 CHINA TREE; PRIDE OF INDIA. 



A favorite shade tree, introduced from Persia, and now thoroughly 

 naturalizetl in Texas. The umbrella china-tree {Melia azedarch 

 umbraculifera Sargent) grows luxuriantly at Fort Clark, Texas. 



SCHINUS MOLLE Linnaeus. 

 PEPPER TREE. 



A favorite shade tree in southern Cidifornia, often growing half 

 wild about deserted ranches. 



EUCALYPTUS (several species). 



Shade trees at Tucson and La Osa, Arizona, and throughout the 

 coast remon of southern California. 



