300 TREES OF NORTH AMERICA 



49. Quercus austrina Small. 



Leaves oblong-obovate, acute or rounded at apex, gradually narrowed to the long 

 cuneate base or rarely rounded at base, usually 5-lobed with rounded lobes, the terminal 

 lobe often 3-lobed, the upper lateral lobes pointing forward and much larger than those of 

 the lower pair, or occasionally 3-lobed at the broad apex, or rarely nearly entire w r ith un- 

 dulate margins, when they unfold sparsely covered below with caducous fascicled hairs, 

 at maturity glabrous, dark green and lustrous above, paler below, 3'-8' long, l'-4' wide, 

 with a prominent midrib and slender primary veins; petioles slender, at first pubescent, 

 soon glabrous, J'-$' in length. Flowers not seen. Fruit solitary or in pairs, sessile or 

 raised on a stout stalk up to \' in length; nut ovoid, slightly narrowed toward the base, 

 narrowed at the rounded pubescent apex, |'-f long, \' thick, inclosed for a third to a 



Fig. 275 



half its length in the thin hemispheric or deep cup-shaped cup, pale tomentose on the inner 

 surface and covered with thin narrow loosely appressed blunt-pointed tomentose scales. 



A tree, 70-80 and rarely 100 high, with a tall trunk 2-3 in diameter, spreading and 

 ascending branches forming a broad rather open head, and slender glabrous red-brown or 

 gray-brown brittle- jointed branchlets. Winter-buds ovoid to ellipsoid, acute, \'-\' long, 

 with closely imbricated acute puberulous chestnut-brown scales ciliate on the margins. 

 Bark pale, scaly, and on old trunks divided into broad ridges. 



Distribution. Banks of streams and river bluffs in deep rich soil; coast of South Caro- 

 lina (Bluffton, Clay County, and near Charleston) ; Dover, Scriven County, Mclntosh 

 County, De Soto Co., Sumter County, and near Bainbridge, Decatur County, Geor- 

 gia, to central and western Florida (Gainsville, Alachua County, near Santos, Marion 

 County, Lake City, Columbia County, River Junction, Gadsden County, Marianna, 

 Jackson County); western Alabama (Gallion, Hale County, and the neighborhood of Selma 

 [common] and Pleasant Hill, Dallas County) ; and southern Mississippi (Meridian, Lau- 

 derdale County, Laurel, Jones County, Byram and near Jackson, Hinds County, near 

 Natchez, Adams County). 



50. Quercus alba L. White Oak. 



Leaves oblong-obovate, gradually narrowed and cuneate at base, divided often nearly to 

 the midrib by narrow or broad sinuses usually oblique in the bottom into 7 or 9 lobes, the 

 lateral, narrow, lanceolate or obovate, pointing forward, rounded or acute and often lobed 

 at apex, the terminal usually obovate and 3-lobed, when they unfold bright red above, pale 



