FAGACE^E 



243 



A tree, usually 70-80, or occasionally 150 high, with a trunk 3-4 in diameter, and 

 stout spreading and ascending branches forming a broad head. 



Distribution. Province of Quebec in the neighborhood of Montreal, and southern 

 Ontario, westward through southern Michigan to southeastern Nebraska, and southward 

 to northern Georgia, on the southern Appalachian Mountains up to altitudes of 3000, 

 southern Kentucky, eastern and central Tennessee, northeastern (Tishomingo County), 

 northwestern (Yazoo County), and central and southern (Hinds and Union Counties) 

 Mississippi, northern and southwestern Alabama (Dekalb, Cullman, Jefferson, and Dallas 

 Counties), northwestern Arkansas, and eastern Kansas and Oklahoma; one of the largest 

 and most generally distributed trees of the northern states; rare and local in the south; 

 of its largest size in the region north of the Potomac and Ohio Rivers. 



Often planted as a park and shade tree in the northeastern states and in the counties of 

 western and northern E urope ; generally more successful i n Europe than other American Oaks . 



X Quercus Lowellii Sarg., a possible hybrid of Quercus borealis and Q. ilicifolia, has been 

 found in the neighborhood of Seabury, York County, Maine. 



X Quercus Porterii Trel., probably a hybrid of Quercus borealis var. maxima and Q. velu- 

 tina, has been found on Bowditch Hill, Jamaica Plain, Suffolk County, Massachusetts, 

 on College Hill, Easton, Northampton County, Pennsylvania, and near Columbus, Frank- 

 lin County, Ohio. 



X Quercus runcinata Engelm., believed to be a hybrid of Quercus borealis var. maxima 

 and Q. imbricaria first found near St. Louis, occurs also in the neighborhood of Indepen- 

 dence, Jackson County, and at Williamsville, Wayne County, Missouri, and in Richland 

 and Wayne Counties, Illinois. 





2. Quercus Shumardii Buckl. 

 Quercus texana Sarg. in part, not Buckl. 

 Leaves obovate, seven rarely five-lobed, the lobes two or three-lobed and sometimes 

 dentate at apex, on leaves of lower branches short and broad, and separated by narrow 

 sinuses pointed or rounded in the bottom, on upper branches deeply divided by broad 

 rounded sinuses into narrow acuminate lobes, when they unfold often tinged with red 

 and covered with pale loose tomentum deciduous before they are half grown, at maturity 

 glabrous, dark green and lustrous above, paler and furnished below with large axillary tufts 



Fig. 223 



