10 JUNIPERACEAE. 



2. Sabina monosperma (Enpclm.) Rydb. {Jumpcriis occidetitalis tnono- 

 spcrma Engolm.) Dry foot-hills and mesas from Colo, to Utah, Ariz., N. M. 

 and northern Mexico. — Alt. 5500-7500 ft. — McCoy; Cedar Creek; La Veta; 

 Mancos ; Owl Canon ; Rustic. 



3. Sabina scopulonim (Sarg.) Rydb. {Juuipcrus scopulorum Sarg.) 

 Rocky Mountain Red CED.^R. On foot-hills and river bluffs from Alb. to 

 B. C, Ore., Ariz, and Texas. — Alt. 4000-8500 ft. — Colorado Springs; Golden; 

 Garden of the Gods; Ouray: Durango; McCoy; State Bridge, Grand River; 

 Kremmling; Eagle River, Walcott ; Boulder; Manitou; New Castle; Salida; 

 Andrew's ranch ; Soldier Canon ; Rist Caiion ; Trinidad ; Owl Canon. 



4. Sabina prostrata (Pers.) Antoine. Creeping Juniper, Trailing Savin. 

 Exposed hills and slopes from N. S. to B. C, Colo, and N. Y. — Alt. 4000- 

 8500 ft. — North Cheyenne Canon ; Parlin ; Owl Canon. 



Order 8. GNETALES. 



Family 10. EPHEDRACEAE Diimort. Joint-fir Family. 

 I. EPHEDRA Tourn. Joint-firs. 



Scales and branches opposite ; bracts opposite and connate, scarious only on the 

 margins. i. E. antisyphylitica. 



Scales, branches and bracts in threes ; the latter scarcely connate ; those of the 

 pistillate cones mostly scarious and more or less clawed. 

 Scales 2-3 mm. long, not becoming shreddy ; fruit scabrous. 



2. E. Torreyana. 

 Scales 6-12 mm. long, becoming shreddy; fruit smooth. 3. E. trifurca. 



1. Ephedra antisyphylitica E. A. Mey. On desert land from Colo, to 

 Texas and Mex. — Mancos. 



2. Ephedra Torreyana S. Wats. On desert lands to an altitude of 5500 ft. 

 from Colo, and Utah to N. M. and Calif. — Deer Run. 



3. Ephedra trifurca Torn On desert lands from southwestern Colo, and 

 Utah to Texas and Ariz. — Mesa Verde; Las Animas Valley (Brandegee). 



