278 TREES OF NORTH AMERICA 



wide, with thickened strongly revolute margins; persistent until after the leaves of the 

 typical Q. virginiana in the same locality have all fallen; occasionally in Florida with oblong- 

 elliptic to slightly obovate leaves 4'-5' long and l'-2' wide (f. grandifolia Sarg.). Flowers 

 and Fruit as in the species. 



A tree often 75 high with a trunk 3 in diameter, with the habit, branchlets, winter- 

 buds and bark of the typical form; often much smaller and occasionally a shrub. 



Distribution. Sandy soil; coast region of North Carolina south of the Cape Fear River, 

 South Carolina and Georgia, and southward in Florida to Jupiter Island on the east coast 

 and the valley of the Caloosahatchee River on the west coast; abundant and often the 

 common Live Oak in the central part of the peninsula, at least as far south as Orange 

 County, and westward through western Florida, southeastern and southern Alabama to 

 the Gulf coast and islands of Mississippi. 



Fig. 254 



Other varieties of Quercus virginiana are var. macrophylla Sarg., differing from the 

 type in its much larger ovate or slightly obovate leaves rounded or acute at base, 

 entire or occasionally repand-dentate, pale tomentose below, 3|'-4' long and lj'-2|' 

 wide. Large trees forming groves; sandy bottoms of the Atascosa River and in flat 

 woods above them, Pleasanton, Atascosa County, Texas: var. virescens Sarg., differ- 

 ing from the type in the green glabrous or rarely puberulous lower surface of the leaves 

 and in the glabrous branchlets. A large tree in sandy soil; Gainesville, Alachua County, 

 Sanford, Seminole County, Sumner, Levey County, Simpson's Hummock, and near Long 

 Key in the Everglades, Dade County, Florida: var. eximea Sarg., differing from the type 

 in its narrow elliptic to narrow oblong-obovate leaves and pale bark; a tree rarely 20 high, 

 with a trunk 8' '-12' in diameter; rarely a shrub; dry sandy open woods, near Springfield, 

 Livingston Parish and near Hammond, Tangipahoa Parish, eastern Louisiana. The fol- 

 lowing small shrubby small-leaved forms are recognized: var. fusiformis Sarg., with ob- 

 long-ovate leaves acute at apex, rounded or cuneate at base, entire or occasionally dentate, 

 and pale pubescent below, and small fruit; dry limestone ridges and flat-topped hills of the 

 Edwards Plateau (Kerr and Comal Counties), western Texas: var. dentata Chapm., distinct 

 in the oblong-obovate repand-dentate lower leaves with large triangular teeth, acute at 

 the broad apex, often 4' long and 1|' wide at the base of the stems, and much larger than 

 the oblong-lanceolate entire upper leaves; common in sterile pine-barrens near the coast 

 of Florida: var. maritima Sarg., with oblong-obovate or rarely lanceolate leaves, acute and 

 apiculate or rounded at apex, cuneate at base, and entire or slightly and irregularly toothed 

 above the middle; fruit solitary or in pairs, or rarely in elongated spikes (Quercus succu- 



