7^ 



CUPRESSACEAE 



3. Sabina occidentalis (Hook.) Heller. Western Juniper. Fig. 158. 



Jnniperus occidentalis Hook. Fl. Bor. Am. 2: 166. 1838. 

 Sabina occidentalis Heller, Muhlenbergia 1: 47. 1904. 



A tree, usually about 8 m. high, but occasionally 

 20 m. high, with a trunk 6-12 dm. or rarely 24 dm. 

 in diameter ; branches often very large, spreading at 

 right angles and forming a flat top ; bark about 20 

 mm. thick, cinnamon-brown. Leaves in o's, closely 

 appressed, acute or acuminate, conspicuously glandular 

 and rounded on the back, 3 mm. long, gray-green, 

 the margins slightly denticulate ; staminate flowers 

 with 12-18 stamens ; berries rounded to oblong, 6-8 

 mm. long, blue-black at maturity beneath the glaucous 

 bloom ; seeds 2 or 3, ovate, acute, rounded and grooved 

 or pitted on the back, 3 mm. long ; cotyledons 2. 



Mountain slopes, mainly Canadian Zone; western Idaho 

 and Washington, southward through the Cascade Mountains and 

 the Sierra Nevada to the San Bernardino Mountains, southern 

 California. Type locality: "Common on the higher parts of 

 the Columbia at the base of the Rocky Mountains." 



4. Sabina scopulorum (Sargent) Rydb. 

 Rocky Mountain Juniper. Fii 



ig. 159. 



Jtinipcnis scopiilorm Sargent Card. & Forest 10: 420. 1897. 

 Sabina scopulorum Rydb. Bull. Torrey Club 32: 598. 1905. 



A tree often 7-15 m. high, with a trunk 1 m. in 

 diameter, or branched at the base into several spread- 

 ing branches; bark reddish brown, divided into low 

 narrow ridges, becoming shredded on the surface. 

 Leaves in 2's, closely appressed, acute or acuminate, 

 obscurely glandular-pitted, dark green or glaucous ; 

 staminate flowers with usually only 6 stamens ; berries 

 maturing the second autumn, globose or nearly so, 

 6-8 mm. long, bright blue beneath the bloom, with a 

 thin epidermis and sweetish flesh ; seeds 1 or 2, acute, 

 prominently grooved and angled, 4-S mm. long; 

 cotyledons 2. 



Foothills of the Rocky Mountains, mainly Transition Zone; 

 Alberta, coast of British Columbia and Washington, eastern 

 Oregon, Nevada, northern Arizona, and western Texas. Type 

 locality: not indicated. 



6. JUNIPERUS [Tourn.] L. Sp. PI. 1038. 1753. 



Aromatic trees or shrubs with usually thin, shreddy bark, soft, close-grained, often 

 reddish, wood, and slender branches. Leaves persistent for many years, in whorls of 3, 

 linear-subulate and sharp-pointed, jointed at the base; flowers dioecious or monoecious, 

 axillary, the staminate oblong-ovate, with numerous stamens in 2 or 3 ranks, their con- 

 nectives ovate or peltate, scale-like, yellow, bearing 2-6 pollen-sacs; the ovulate ovoid, with 

 a few opposite somewhat fleshy scales, each bearing 1 or rarely 2 ovules ; cone berry-like, 

 blue, blue-black, or reddish, with a glaucous bloom, formed by the coalition of the flower 

 scales, smooth or roughened by the tips of the original scales; seeds 1-12, ovate, terete or 

 variously angled, wingless; cotyledons mostly 2. [The classical name.] 



About 10 species distributed over the northern hemisi)here from the Arctic Circle to the mountains of 

 northern Africa, West Indies, Mexico, southern Japan and China. Type species, Junipcrns communis L. 



