238 WALNUT FAMILY 



Counties and to Walnut drove in the south edge of Redwood County, 

 westward as far as Nobles County. Distributed from western Mass. to 

 Fla., west to Ontario, Minn, and Tex. 



The wood is heavy, hard, strong, rather coarse-grained, rich, dark 

 brown and very durable, weighing 38 lbs. Largely used in furniture 

 and cabinet-making, for interior finishing of houses, for gun stocks, etc 

 Flowers in May, fruit ripe in October and November. 



Carya X n 1 1 a 1 1 1818 Hickory 



Hicoria Rafinesque 1808 



(Gr. carya, nut, walnut) 



Trees with compound, odd-pinnate leaves, bark close and smooth, or 

 shaggy, wood very tough and hard; staminate flowers in slender pendulous 

 catkins, borne in 3's on a common peduncle at the base of the shoots of 

 the season, calyx adnate to the bract, 2-3 cleft, pistillate flowers sessile in 

 2-6 flowered spikes, with a calyx-like involucre, usually 4-lobed, styles 

 2 or 4, short, papillose or fimbriate; fruit subglobose, oblong or pbovoid, 

 the husk separating more or less completely' into 4 valves, nut bony, 

 smooth or angled, incompletely 2-4 celled, seed sweet and delicious or very 

 bitter and astringent. 



A genus of about 10 species, natives of eastern North America. < hie 

 occurs in Mexico. 



Key to the Species 



1. l>ark shaggy, leaves white-tufted along the margin C. ovata 



2. Bark not shaggy, mature leaves almost smooth ('. cordiformis 



Carya ovata (Miller) K. Koch 1876 Shag-bark Hickory Shell- 

 bark Hickory 



I licoria ovata (Miller) B r i t t o 11 1888 



A large tree 16-30 m. (50-90 feet) high, bark of trunk sha| 

 separating into narrow plates that are sometimes 25 cm. long, light gray, 

 hard and tough, young twigs puberulent, leaves with petioles 15-30 cm. 

 long, glabrous or pubescent, leaflets 5, rarely 7, the three upper obovate- 

 lanceolate, the lower pair smaller and oblong-lanceolate, narrowed at the 

 base, acuminate at the apex, serrate, glabrous in age, except the points of 

 the serrations which have tufts of hairs, upper leaflets 12-16 cm. long. 

 6-8 cm. wide; staminate catkins in 3's, 6-8 cm. long, slender; fruits sub- 



