248 



TREES OF NORTH AMERICA 



southern New Hampshire and Vermont to southern Ontario, southward to the District 

 of Columbia and along the Appalachian Mountains to eastern Kentucky and Tennessee, 

 and northern Georgia; in central Georgia and northeastern Mississippi (near Corinth, 

 Alcorn County), and westward through New York, Ohio, Indiana, Illinois and southern 

 Wisconsin to central Missouri (Jerome, Phelps County) ; in eastern Oklahoma (Arkansas 

 River valley near Fisher, Creek County, G. W. Stevens); ascending to altitudes of nearly 

 5000 on the southern mountains; the prevailing Oak above iioOO to the summits of the 

 Blue Ridge of the Carolinas; very abundant in the coast region from Massachusetts Bay 

 to southern New Jersey; less common in the interior, growing on dry gravelly uplands, and 

 on the prairies skirting the western margins of the eastern forest. 



Occasionally planted in the northeastern states and in Europe as an ornamental tree 

 valued chiefly for the brilliant autumn color of the foliage. 



X Quercus Robbinsii Trel., believed to be a hybrid of Quercus coccinea and Q. illicifolia, 

 occurs at North Easton, Bristol County, Massachusetts. 



X Quercus Benderi Baenitz, a supposed hybrid of Quercus coccinea and Q. borealis 

 var. maxima, appeared several years ago in Silesia, and a similar tree has been found in 

 the Blue Hills Reservation near Boston. 



6. Quercus palustris Muench. Pin Oak. Swamp Spanish Oak, 



Leaves obovate, narrowed and cuneate or broad and truncate at base, divided by 

 wide deep sinuses rounded in the bottom into 5-7 lobes, the terminal lobe ovate, acute, 



Fig. 228 



3- toothed toward the apex, or entire, the lateral lobes spreading or oblique, sometimes fal- 

 cate, especially those of the lowest pair, gradually tapering and acute at the dentate apex, 

 or obovate and broad at apex, when they unfold light bronze-green stained with red on the 

 margins, lustrous and puberulous above, coated below and on the petioles with pale scurfy 

 pubescence, at maturity thin and firm, dark green and very lustrous above, pale below, 

 with large tufts of pale hairs in the axils of the conspicuous primary veins; 4>'-6' long, 2'-4' 

 wide, with a stout midrib; late in the autumn gradually turning deep scarlet; petioles 

 slender, yellow, %'-%' in length. Flowers: staminate in hairy aments 2'-3' long; calyx 

 puberulous and divided into 4 or 5 oblong rounded segments more or less laciniately cut 

 on the margins, shorter than the stamens; pistillate on short tomentose peduncles, their 

 involucral scales broadly ovate, tomentose, shorter than the acuminate calyx-lobes; stig- 

 mas bright red. Fruit sessile or short-stalked, solitary or clustered; nut nearly hemispheric, 

 about \' in diameter, light brown, often striate, inclosed only at the base in a thin saucer- 



