JUGLANDACE^ 



137 



covered with thick brown scurfy pubescence. Fruit usually solitary, ellipsoidal or 

 slightly obovate, 4-ridged to the base, with broad thick ridges, 1-^' long, coated with 

 yellow-brown scurfy pubescence, the husk not more than ^' thick, and splitting 



nearly to the base; nut ellipsoidal or sometimes slightly obovate, 1' long, |' broad, 

 rounded and apiculate at the ends, smooth, dark reddish brown, and marked with 

 longitudinal broken bands of small gray spots covering the entire surface at the 

 ends, the shell ^' or more thick, hard and bony, with a thick partition, and a low 

 thin dorsal division; seed sweet, small, dark brown. 



A tree, 80^-100 high, with a tall straight trunk often 2 in diameter, stout 

 slio-htly spreading branches forming a comparatively narrow rather open head, and 

 slender branchlets coated with lustrous golden or brown scales often persistent 

 until the second year, light brown or ashy gray during their first winter, ultimately 

 dark reddish brown, and marked with small scattered pale lenticels and small oval 

 emarginate elevated leaf-scars. Winter-buds covered with thick brown scurfy 

 pubescence, terminal ^'-\' long, ovate, rather obtuse; axillary much smaller, acute, 

 slightly flattened, sessile or short-stalked, often solitary. Bark ^-f thick, dark 

 brown tinged with red, and broken irregularly into small thin appressed scales. 

 "Wood hard, very strong, tough, close-grained, light brown, with thick lighter 

 colored sapwood of 80-90 layers of annual growth. 



Distribution. Banks of rivers and swamps in rich moist soil or rarely on higher 

 ground, eastern South Carolina, and through central Alabama and Mississippi to 

 southern Arkansas; on the mountains of northeastern Mexico; rare and very local in 

 the coast region of South Carolina; more abundant westward; common in southern 

 Arkansas. 



5. Hicoria aquatica, Britt. Bitter Pecan. "Water Hickory. 



Leaves 9'-15' long, with slender dark red puberulous or tomentose petioles, and 

 7-13 ovate lanceolate long-pointed falcate equilateral leaflets rounded or wedge- 

 shaped at the base or oblique and very unequally wedge-shaped, finely or coarsely 

 serrate, sessile or stalked, 3'-o' long, ^'-1^' wide, covered with yellow glandular 

 dots, thin and membranaceous, dark green above, brown and lustrous or tomentose 

 on the lower surface, especially on the slender midribs and primary veins, the ter- 



