58 BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



PRUNUS DEMISSA (Nuttall) Walpers. 

 WESTERN CHOKE CHERRY. 



This, a tree of medium size, was found near the summit of the 

 Laguna Mountains of the Coast Range, about 15 miles nortli of the 

 Mexican Border. 



PRUNUS SALICIFOLIA Humboldt, Bonpland, and Kunth. 

 WELLOWLEAF CHERRY; MEXICAN CHERRY. 



The common cherry of the Elevated Central Tract. A small tree 

 0.34 to OM meter (1 to 2 feet) in diameter and G to 10 meters (20 

 to 35 feet) in height, with white wood and thin-seeded fruit. It was 

 obtained in the San Luis, San Jose, and Huachuca mountains. Its 

 determined vertical range is from about 1,341 meters, or 4,400 feet 

 (Cajon Bonito Creek, Chihuahua), to 2,198 meters, or 7,210 feet (San 

 Jose Mountains, Sonora). On the north slope of the San Jose INIoun- 

 tains a tree measuring 0.34 meter (1 foot) in diameter and about 5 

 meters (15 feet) in height was found at the altitude of 2,027 meters 

 (G,r)50 feet) ; a tree 0.34 by G meters (1 by 20 feet) at 2,042 meters 

 (6,700 feet) altitude; a tree 0.64 by 10 meters (2 by 35 feet) at 6,740 

 feet altitude ; several trees at the Upper Spring (2,054 meters or 7,060 

 feet altitude), the largest measuring about 0.5 by 7.5 meters (1.64 

 by 25 feet) ; a tree 0.64 by 7.5 meters (2 by 25 feet) at 2,104 meters 

 (7,200 feet) altitude, and several small trees at 2,197 meters (7,210 

 feet). 



PRUNUS ILICIFOLIA (Nuttall) Walpers. 

 HOLLYLEAF CHERRY. 



This, a small-sized tree, is the common cherry on the summits and 

 Pacific slopes of the Coast Range Mountains, in the neighborhood 

 of the International Boundary Line. 



PRUNUS INTEGRIFOLIA ( Sudworth ) Sargent. 

 ENTIRELEAF CHERRY. 



A tree about 5 to 8 meters (15 to 25 feet) in height, growing in 

 moist canyons on San Clemente Island, California. 



ACACIA FARNESIANA (Linnaeus) Willdenow. 

 HUISACHE. 



This beautiful and fragrant tree was found on the banks of Las 

 Moras Creek, Kinney County, Texas. It is an abundant species 

 in the region round about San Antonio, Texas. 



