132 Proceedings of the Ohio State .leadeiity of Science 



A large tree with shaggy bark in narrow plates. Leaflets 5, 

 sometimes 7, oblong, oblong-lanceolate, or the upper obovate, 

 acuminate at the apex, narrowed to the sessile base ; fruit sub- 

 globose; husk thick, soon splitting; nut white, somewhat com- 

 pressed, ])ointed, slightly angled, thin-shelled. Seed finely flav- 

 ored, most '"hickory nuts" of the markets being from this species. 

 Wood very heavy, hard, tough, and elastic ; used for agricultural 

 implements, carriages, wagon stock, axe-handles, cooperage, 

 sucker rods, wheel spokes, etc. Also a fine fuel wood. Not dur- 

 able in the ground. In rich soil. Quebec to Minn., Fla., Kan., 

 Tex., and Ohio. 



T. Hicoria carolinae-septentrionalis Ashe. Southern 

 Shagbark (Hickory). A tree with gray bark hanging in loose 

 strips. Leaflets 3-5, glabrous, ciliate ; fruit subglobose ; husk soon 

 falling into four pieces; nut white or brownish, much com- 

 pressed, angled, cordate or sul)cordate at the top, thin-shelled. 

 In sandy or rocky soil. Del. to (ia. and Tenn. 



6. Hicoria laciniosa (Mx. f.) Sarg. Shellbark (Hickory). 

 A large tree with the bark sei)arating in long narrow plates and 

 vvith a long tap root. Leaflets 7-9. rarely 5, acute or acuminate, 

 sometimes 8 in. long; fruit oblong; husk thick, soon splitting to 

 the base; nut oblong, somewhat compressed, thick-shelled, pointed 

 at both ends, yellowish-white ; seed sweet and edible. In rich 

 soil. N. Y. and Ohio to Iowa, Kan.. Okla. and Tenn. 



7. Hicoria alba (L.) Britt. Mockernut (Hickory). A 

 large tree with close rough bark. Leaflets 7-9, oblong-lanceolate 

 or the upi)er oblanceolate or obovate. long-acuminate; fruit glo- 

 bose or oblong-globose; husk thick; nut grayish-white, angled, 

 pointed at the summit, little compressed, thick-shelled; kernel 

 small but sweet and edible. Wood much like in H. ovata. In 

 rich soil. Mass. to Out., Xeb., Fla., Tex. and Ohio. 



8. Hicoria microcarpa (Xutt.) Britt. Small Pignut 

 ( Hickory). A tree having the okler bark separating in narrow 

 plates. Leaflets 5-7, oblong, or ovate-lanceolate, acuminate at 

 the apex; fruit globose or globose-oblong; husk thin, tardily and 

 Incompletely splitting to the base; nut subglobose, slightly com- 



