5 S2 



JUGLANDACEAE. 



Vol. I. 



6. Hicoria laciniosa (Michx. f.) Sarg. Big Shag-bark. King-nut. Fig. 1428. 



7. Hicoria alba (L.) Britton 



Juglans alba L. Sp. PI. 997. 1753. 



Juglans tomentosa Lam. Encycl. 4: 504. 1797. 



Carya tomentosa Nutt. Gen. 2: 221. 1818. 



Hicoria alba Britton, Bull. Torn Club 15 : 283. 1888. 



A large tree, maximum height 100°, and trunk 

 diameter si", the foliage and twigs persistently tomen- 

 tose-pubescent, fragrant when crushed, the bark rough 

 and close; bud-scales very large, imbricated; leaflets 

 7-9, oblong-lanceolate or the upper oblanceolate or 

 obovate, sessile, long-acuminate, narrowed or rounded 

 and somewhat inequilateral at the base; staminate 

 aments peduncled in 3's, tomentose; bract of the stami- 

 nate calyx linear, much longer than the lateral lobes; 

 fruit globose or oblong-globose, 1F-3F long; husk 

 thick, freely splitting to the base; nut grayish-white, 

 angled, pointed at the summit, little compressed, thick- 

 shelled, 4-celled at the base; seed sweet. 



In rich soil, eastern Massachusetts to southern Ontario, 

 Illinois and Nebraska, south to Florida and Texas. As- 

 cends to 3500 ft. in Virginia. Wood very hard and tough, 

 dark brown; weight per cubic foot 51 lbs. Fragrant 

 or hard-bark hickory. King-nut. Bull-nut. White-bark, 

 black or red hickory. May-June. Fruit ripe Oct.-Nov. 



Carya sulcata Nutt. Gen. 2: 221. 1818. Not Juglans sulcata 



Willd. 1796. 

 Juglans laciniosa Michx. f. Hist. Arb. Am. 1 : 199. pi. 8. 1810. 

 Hicoria sulcata Britton, Bull. Torr. Club 15: 283. 1888. 

 Hicoria laciniosa Sarg. Mem. Torr. Club 5 : 354. 1894. 



A large tree, reaching about the size of the preceding 

 species, the. bark separating in long narrow plates, the 

 young foliage densely puberulent, the mature leaves some- 

 what so beneath. Leaflets 7-9 (rarely 5), acute or acumi- 

 nate, oblong-lanceolate or the upper obovate, sometimes 

 8' long by 5' wide; staminate aments peduncled in 3's at 

 the base of shoots of the season; bract of the staminate 

 calyx linear, twice as long as the lateral lobes; fruit ob- 

 long, 2-3' long; husk thick, soon splitting to the base; 

 nut oblong, somewhat compressed, thick-shelled, pointed 

 at both ends, yellowish-white; seed sweet. 



In rich soil, New York and Pennsylvania to Indiana, Iowa, 

 Tennessee, Kansas and Oklahoma. Wood strong, tough, 

 darker than the preceding ; weight 50 lbs. per cubic foot. May. 

 Western or thick shell-bark. Fruit ripe Sept.-Oct. 



White-heart Hickory. Mocker-nut. Fig. 1429. 



8. Hicoria pallida Ashe. Pale Hickory. 

 Fig. 1430. 



Hicoria pallida Ashe, Notes on Hickories. 1896. 



A forest tree, reaching a maximum height of 

 nearly 100°, with a trunk up to 3° in diameter, 

 the bark rough and furrowed. Bud-scales 5-9, 

 imbricated; leaves scurfy, at least when young; 

 leaflets 7-9, lanceolate to ovate-lanceolate, 2'-6' 

 long, acuminate; staminate catkins scurfy, 3l'-8' 

 long; bract of the staminate' flower longer than 

 the lateral lobes ; fruit subglobose to obovoid, 

 the rather thin husk splitting tardily into 4 valves ; 

 nut flattened, nearly white, rather thin-shelled; 

 seed sweet. 



Dry soil, Virginia and Tennessee to Florida and 

 Alabama. April-May. 



