(332) 
3. JUNIPERUS occIDENTALIS Hook. Fl. Bor. Am. 2: 166. 1838. 
Type locality: “Common on the higher parts of the Columbia.” 
Distribution: This juniper extends from western Idaho and 
eastern Washington southward along the Cascade Mountains and 
the Sierra Nevada to the San Jacinto Mountains. In southern Cali- 
fornia it is found in the vicinity of Bear Valley, and toward the 
summits of Mount San Antonio and Mount San Jacinto, occupy- 
ing an arid belt intermediate between the Transition and the 
Canadian Zones. 
Specimens examined: Bear Valley, San Bernardino Mountains, 
Leiberg 3316; Abrams, Aug. 3, 1901. 
GNETACEAE. Joint-Fir Famity. 
1. EPHEDRA. Mexican TEA. 
Scales and bracts in 2’s. 
Branches bright green, erect and broom-like. 1. E. viridis. 
Branches pale glaucous green, divergent. . E. nevadensis. 
Scales and bracts in 3’s. 3. £. californica. 
tN 
1. EpHEDRA viripIs Coville, Contr. Nat. Herb. 4: 220. 1893. 
Type locality: ‘Near Crystal Spring, Cosco Mountains, Inyo 
County, California.” 
Distribution: Western slopes of the \[ohave Desert eastward 
to southern Nevada. This species is characteristic of the pinion 
belt on the mountain slopes of the \lohave Desert. Upper Sonoran. 
Specimens examined: Frazier Borax Mine, Mount Pinos, 4brams 
tf M{cGregor 216, 217; Ten Sycamore Flat, Sespe Creek, Abrams 
& McGregor 174; near Bear Valley, Leiberg 3315; Cushenberry 
Spring, Parish 4980; Rose Mine, San Bernardino Mountains, 
Parish 2975. 
2. EPHEDRA NEVADENSIS 5. Wats. Proc. Am. Acad. 14: 298. 1879, 
Type locality: ““Pah Ute Mountains, altitude 5000 feet; Carson 
City, altitude 5000 feet.” 
Distribution: Nevada and Utah southward through the desert 
regions to Lower California. In southern California this species 
is characteristic of the juniper and the yucca belts of the deserts. 
Upper and Lower Sonoran. 
Specimens examined: Mohave Desert, near Varren Station, 
Abrams &§ McGregor 499; near Acton, Elmer 3599; Jacumba 
Hot Spring, Abrams 3676; Mountain Spring, Mearns 3079. 
