197 



Willows— CoDtiuued. 



Salix reticulata, L. In the Rocky Momitaius (and uortliward to tlie Arctic 

 coast) : a dwarfed species with twisted and bnried stems, the leaves rising 

 only a few inches above the ground. 



CoNiFERiE : Pine Family. 



Common Juniper. Jimiperus communis,* L. Four to 10 feet (or with care and 

 cultivation occasionally becoming arborescent) : in the Rocky Mountains 

 from New Mexico to Montana (eastward through the Northern States and 

 northward throughout British America; native also in Europe). With 

 somewhat erect and spreading branches ; leaves in threes, ^ to f of an inch 

 long, narrow, needle-pointed, whitish and concave above: berries i of 

 an. inch in diameter, densely white with hloom. Bark of branches with 

 ridged scales. Variety Alpina, Linn., differs from the type in being quite 

 or nearly prostrate, forming mat-like growths with its widely extended 

 branches ; leaves J to f of an inch long, broader, curved, and less spreading : 

 chiefly northern in the Rocky Mountains and eastern United States. Con- 

 siderably used as an ornamental shrub. 



Creeping Juniper, Juniperus Sahina, L., var. procumhens, Pursh. Abundant in 

 the mountains from Colorado to Montana (westward to the Pacific coast 

 eastward through the Northern States to the Atlantic, and north of the 

 United States boundary) : a prostrate shrub of considerable importance in 

 the forest economy of the region, as by its abundance it retains the snow, 

 and thus preserves a much-needed supply of water in mountain streams. 

 Foliage dense ; prostrate branches taking root ; often scaly with persistent 

 dead leaves; berries :|^ to i^ of an inch in diameter. 



* See arborescent Junipers, Nos. 24, 25, 26, page 166. 



