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TREES OF MINNESOTA. 



Plate 48. Acer saccharum. Sugar Maple. 



1. Branch bearing staminate flowers, one-half natural size. 2. Branch 

 bearing pistillate flowers, one-half natural size. 3. Staminate flower, enlarged. 

 4. Longitudinal section of staminate flower, enlarged. 5. Pistillate flower, en- 

 larged. 0. Longitudinal section of pistillate flower, enlarged. 7. Fruiting 

 branch, one-half natural size. 8. Longitudinal section of fruit, one-half natural 

 size. 9. Longitudinal section of seed, enlarged. 10. Embryo, enlarged. 11. Win- 

 ter branchlet. one-half natural size. 



broad; seed ripens in autumn. The foliage becomes very 

 brilliantly colored in autumn. 



Distribution. A large and important tree in the northern 

 and middle states, extending southward to Georgia and north 

 to northern Minnesota. Very abundant in eastern Minnesota 

 though seldom found in the western portions. It occurs at 

 Lake Minnewaska in Pope County, and at the head waters of 

 the Redwood River in Lyon County, and as far west as 



