(436) 
2. Fraxinus orecona Nutt. Sylva N. Am. 3: 59. 1849. 
Fraxinus americana oregona Wesmael, Bull. Soc. Bot. Belg. 30: 
110. 1892. 
Type locality: “This is the only species of Ash we met with 
in the Oregon territory. . We never saw it above the falls of 
the Oregon.” 
Distribution: Puget Sound, southward through western Wash- 
ington and Oregon to southern California. Upper Sonoran and 
Transition. 
Specimens examined: San Gabriel River Canyon, Abrams 876. 
3. Fraxinus coriacea 5. Wats. Am. Nat. 7: 30. 1873. 
Type locality: “Ash Meadows, Nevada, and Devil’s Run Can- 
yon, Arizona.” 
Distribution: Southern Utah and Nevada to northern Arizona, 
and from the vicinity of Owen’s Lake southward in the San Gabriel 
and San Bernardino Mountains, California. Upper Sonoran. 
Specimens examined: Lytle Creek Canyon, altitude 800 meters, 
Abrams 2741; Liebre Mountains, Abrams tf McGregor goo; Cajon 
Pass, Abrams &F McGregor 692; Cleghorn Canyon, San Bernardino 
Mountains, Abrams &¥ McGregor 703. (These specimens have 
narrower leaflets and much broader samaras than typical coriacea, 
and, on more extensive examination of material, may prove to be 
distinct.) 
4. Fraxinus vetutina Torr. in Emory, Notes Mil. Reconnois. 
848 
Type locality: “In the region between the waters of the Del 
Norte and Gila; also on the Mimbres, a tributary of the latter river.” 
Distribution: Southern New Mexico and Arizona to southern 
California. Upper Sonoran. 
Specimens examined: Between Campo and Jacumba Hot Spring, 
Abrams 3705; near ‘Toro Mountain, altitude 1300 meters, Leiberg 
3107. 
5. Fraxinus amomata Torr.; S. Wats. Bot. King’s Exped. 283. 
1874. 
Type locality: “In Labyrinth Canyon on the Colorado River, 
Utah,” and “St. George on the Rio Virgen in the southwestern 
portion of the State.” 
