28 TREES AND SHRUBS 



2. JUNIPERACEAE. Juniper Family. 



Shrubs or low spreading trees with small mostly scale-like 

 leaves often of two forms, and dioecious rarely monoecious flowers; 

 etaminate aments small, about Vs of an inch long, the stamens with 

 2- to 6-celled anthers, the ovulate cones with few scales and no 

 bracts, fleshy at least when young, ovules erect; fruit often pulpy, 

 few-seeded. 



Mature cones dry, woody, dehiscent, mostly 

 spherical composed of a few peltate scales; 

 leaves small, scale-like, appressed. 1. Cupressus. 



Cones fleshy, berry-like, lndehlscent. 



Leaves on mature branches not scalelike, 

 6 to 12 bm. long, smooth and shining 

 above, glaucous beneath; fruit a 

 dark blue, small "berry." 2. Juniperus. 



Leaves on mature branches short, scale- 

 like, appressed, generally dull green 

 with little difference in the appear- 

 ance of the two sides; fruit drier 

 though never woody; leaves of young 

 sprouts always larger, more acute, 

 and more glaucous than those of 

 mature trees. 3. Sabina. 



I. CUPRESSUS. L. Cypress. 



In Arizona a moderately large tree 40 to 50 feet high or even 

 taller and a foot or two in diameter, with small scale-like leaves so 

 arranged as to produce flat frond-like branches; flowers monoe- 

 cious, the staminate cones spheroidal or ovate, about Vs of an inch 

 long and exceedingly numerous in the late winter or very early spring; 

 the ovulate cones with about 5 or 6 small fleshy scales with 2 erect 

 ovules at the base of each; mature cone a /o to % of an inch in diam- 

 eter with several dry peltate scales. 



A single species rare in the southern part of 



the state. 1. c. arizonica. 



2. JUNIPERUS L. Juniper. 



A low widely spreading shrub 2 to 3 feet high, usually wider 

 than it is high, with sharp pointed leaves. \' 2 an inch long, dark 

 glossy green above, paler beneath, constricted at the base; fruit a 

 dark blue pulpy berry ovate in outline, more or less glaucous, cf a 

 sweetish resinous taste, having a few seeds. 



A single species on the tops of the high moun- 

 tains in the Hudsonlan zone. 1. j. siblrica. 



