20 SAPINDACE/E. Acer. 



58. Acer Pennsylvanicum, L. 



Striped Maple. Moose-wood. Striped Dogwood. Goose-foot Maple. 

 Whistle-wood. 



"Valley of the Saint Lawrence River to the northern shores of Lake 

 Ontario, and the islands of Lake Huron, south through the north Atlantic 

 States, and along the Alleghany Mountains to northern Georgia ; west 

 through the lake region to northeastern Minnesota. 



A small tree, 6 to 10 metres in height, with a trunk 0.15 to 0.20 metre 

 in diameter ; cool ravines and mountain sides. 



Wood light, soft, close-grained, compact, satiny ; medullary rays numer- 

 ous, thin ; color light brown, the sap-wood lighter. 



59. Acer spicatum, Lam. 

 Mountain Maple. 



Valley of the Saint Lawrence River, west along the northern shores of 

 the great lakes to northern Minnesota and the Saskatchewan region, 

 south through the northern States and along the Alleghany Mountains to 

 northern Georgia. 



A small tree, sometimes 8 to 10 metres in height, with a trunk 0.15 to 

 0.20 metre in diameter, or -often a tall shrub; cool woods and mountain 

 ravines ; reaching its greatest development on the western slopes of the 

 Alleghany Mountains of North Carolina and Tennessee. 



Wood light, soft, close-grained, compact ; medullary rays inconspicu- 

 ous ; color light brown tinged with red, the sap-wood lighter. 



60. Acer macrophyllnm, Pursh. 

 Broad-leaved Maple. 



Coast of Alaska, from latitude 55° south along the islands and coast of 

 British Columbia, through western Washington and Oregon, and along 

 the California Const Ranges and western slopes of the Sierra Nevada 

 to the San Bernardino Mountains and Hot Spring Valley. San Diego 

 County ; not found above 4,000 feet altitude. 



A tree .24 to 30 metres in height, with a trunk 1.20 to 1.50 metres in 

 diameter; borders of streams; reaching its greatest development on the 

 rich bottom-lands of the Coquille and other rivers of southern Oregon. 



Wood light, soft, not strong, close-grained, compact, easily worked, 

 susceptible of a good polish ; medullary rays numerous, thin ; color rich 

 light brown tinged with reel, the sap-wood lighter, often nearly white; 

 largely used in Oregon in the manufacture of furniture, for axe and broom 

 handles, frames of snow-shoes, etc. ; specimens with the grain beautifully 

 curled and contorted are common. 



