CHECK LIST OF FOREST TREES 25 



NAMES IN USE 



Red Spruce (trade). West Virginia Spruce (trade). 



Yellow Spruce (N. Y.). Canadian Spruce (trade). 



North American Red Spruce (foreign Adirondack Spruce (trade). 



lit.). Eastern Spruce (trade — in part). 



Spruce (N. C). 

 He Balsam (N. C). 



VARIETIES DISTINGUISHED IN CULTIVATION 



Picea rubens coerulea (Loudon) Sud- Picea rubra pendula Carriere. 



worth. Picea rubens gracilis (Knight) Sud- 



Picea rubra coerulea (Loudon) worth. 



Forbes. Picea rubra gracilis (Knight) Car- 



Picea rubens pendula (Carriere) Sud- riere. 



worth. 



*Picea glauca (Moench) Voss. White Spruce. 



Range.— Labrador to Hudson Bay and northwestward through Alaska to 

 Bering Strait; southward in the Atlantic region to Maine, New Hampshire, 

 Vermont, northern New York, and in the Great Lakes region to Michigan 

 (Saginaw Bay), Wisconsin and Minnesota. 



Note ox nomenclature. — Formerly designated as Picea canadensis (Miller) 

 Britton, Sterns, and Poggenberg, and as Picea alba Link. 



NAMES IN USE 



White Spruce (Vt., N. H., Mass., N. Y., Spruce (Vt.). 



Wis., Mich., Minn., Ont., and trade). Pine (Hudson Bay). 



Single Spruce (Me., Vt., Minn.). Double Spruce (Vt.). 



Bog Spruce (New Eng.). Blue Spruce (Me.). 



Skunk Spruce (Wis., Me., New Eng., Eastern Spruce (trade — in part). 



Ont.). Canadian Spruce. 



Cat Spruce (Me., New Eng.). Adirondack Spruce (trade). 



VARIETIES DISTINGUISHED IN CULTIVATION 



Picea glauca acutissima (Beissner) Picea glauca compacta gracilis (Beiss- 



Sudworth. ' ner) Sudworth. 



Picea glauca compressa (Beissner) Picea glauca compressiformis Sud- 



Sudworth. worth. 



Picea glauca nana (Loudon) Sudworth. Picea glauca nutans Sudworth. 



Picea glauca nana glaucifolia Sud- Picea glauca aurea (Beissner) Sud- 

 worth. worth. 



Picea glauca echinoformis (Carriere) 

 Sudworth. 



*Picea glauca albertiana (S. Brown) Render. Western White Spruce. 



Range.— South Dakota (Black Hills), northern Wyoming, Montana, Wash- 

 ington, and northward at low altitude through the Canadian Rockies in Alberta 

 and British Columbia. 



Note on nomenclature. — First described in 1907 as Picea albertiana S. 

 Brown. 



NAMES in use 



White Spruce. Alberta Spruce (lit.). 



Western White Spruce (lit.). Black Hills Spruce (Hort.). 



*Picea engelmannii Engelmann. Engelmann Spruce. 



Range. — From southeastern (Chiricahua Mountains) and northern Arizona 

 and southern New Mexico northward through the Rocky Mountain region to 

 British Columbia, and westward to the eastern slopes of the Cascade Mountains 

 in Oregon and Washington; occurs also in a small patch, in the northeast corner 



