340 TREES OF MINNESOTA. 



Acer pennsylvanicum. Striped Maple. Moosewood. 



Leaves large, five to seven inches long, palmately three- 

 nerved, thre.e-lobed at the apex, finely and doubly serrate. 

 Flowers greenish, in slender drooping long-stemmed racemes; 

 the sterile and fertile generally produced on different racemes 

 on the same plant, appearing when the leaves are nearly full 

 grown. Fruit with spreading wings, in long drooping racemes, 

 ripens in autumn. An upright shrub in this section, seldom tak- 

 ing on a tree form. 



Distribution. Maine and Minnesota southwards to Virginia 

 and Kentucky. 



Propagation. By seeds, as recommended for Ash. 



Properties of zvood. Light, soft and close grained, light brown 

 with thick lighter colored sapwood. Specific gravity 0.5299; 

 weight of a cubic foot 33.02 pounds. 



Uses. The Striped Maple is used in New York and south- 

 wards for lawn planting, and may in this section be used for 

 shrubberies. The brilliant foliage and bud scales in early spring, 

 the graceful flowers and summer foliage, the brilliant autumn 

 coloring of the leaves and the conspicuously striped markings 

 of the bark make the Striped Maple an interesting and attractive 

 feature of the landscape. Well worthy of a trial in shrubberies 

 on retentive soil. 



Acer tartaricum. Tartarian Maple. 



Leaves ovate or oblong, mostly undivided, incised-serrate, 

 very bright colored in autumn; young branches tomentose. 

 Flowers conspicuous, white, in erect clusters terminating the 

 shoots of the season, appearing after the leaves. Fruit ripens 

 in autumn. A small tree or shrub. 



Distribution. Europe and Asia. 



Propagation. By seeds, as recommended for Ash. 



Uses. Valuable for -variety in ornamental planting. Very 

 hardy at the Minnesota Experiment Station. 



Varieties. 



Acer tartaricum ginnala. 



This has mostly three-lobed leaves, which are longer than 

 those of the species. 



