EVERGREEN TREES. 179 



and in large numbers scions are taken from the best-colored 

 specimens and grafted into the ordinary " pungens" or 

 " excelsa " stocks. Thus the most perfectly colored speci- 



FIG. 90. COLORADO BLUE SPRUCE (Abies pungens). 



mens become rather expensive. They make most beautiful 

 lawn-trees either singly or in groups of the same species 

 or arranged with others of varying colors. 



XORDMANN'S FIR (Abies Nordmanniana), Fig. 91. A 

 slow-growing tree of very dark green color and the most 

 perfect pyramidal growth. The contrast of the new growth 

 in the spring, which is almost golden color, with the very 

 dark color of the old foliage is very beautiful. 



RED CEDAR (Juniperus Virginiana). A native tree 

 generally conical in form, found growing on dry, rocky 

 hillsides, and is very pretty and useful for decorating such 

 places. It takes on more or less of the brownish green, like 

 the arbor-vitaes, during the winter. 



PROSTRATE JUNIPER (J. sabina, var. procumbens). 

 Although of rather coarse growth, its prostrate habit makes 

 it valuable for decorating rocky grounds, among ledges and 



