Evergreens 105 



group or a screen mostly in the background to allow the ever- 

 greens to show dark and well defined before and among them. 

 Leave plenty of room between the two kinds of trees — rather 

 more than between the trees that are the same — remembering 

 that deciduous trees expand very much more and very much 

 more rapidly than evergreens, and therefore need a wider berth. 



List of Plants 

 for poor soil 



I — Juniperus Virginiana: red cedar; usually about fifty feet, 

 sometimes one hundred feet high; this naturally reforests 

 arid hills and stony, barren, abandoned lands; will grow 

 also on the seashore. 



2 — Pinus rigida: pitch pine; sixty feet high or more; becomes 

 contorted and picturesque with age; plant in groups of 

 several. 



3 — Picea pungens: Colorado spruce; sometimes one hundred 

 feet high, and rapid-growing for an evergreen; foliage is a 

 light silvery green, becoming true green with age. 



FOR WET SOIL 



I — Cupressus ihyoides (or Chamoecyparis thy aides): white cedar; 

 seventy feet high or more ; grows in swamps which are tinder 

 water part of the time. 



2 — Thuya plicata: Nootka Sound arborvitas, or red, or canoe 

 cedar; one hundred and fifty feet high or more; native to 

 low moist bottom-lands ; this has not been used as much as 

 it should be, but happily it is growing in favor; it is truly 

 a giant arborvitae. 



3 — Thuya occidentalis: white cedar or common arborvitae; 



