500 FLORA OF TEXAS. 



C. MYRiSTicjEFORMis, Michx. Leaflets 5, ovate-lanceo- 

 late, acuminate, smooth, the terminal one sessile ; /n<iY 

 oval, rugose, rough; 7i?<^oval, slightly acuminate, furrowed, 

 very hard. Nuts resembling nutmegs. 



C. AMARA, Nutt. {Bitter-nut.) Leaflets 9-11, oblong- 

 lanceolate, acute, smoothish ; /r^^i7 globular ; ejncarj) thin, 

 parted to the middle; nut thin-shelled, obcordate; seed 

 much wrinkled. Low ground. March and April. — A tree 

 of moderate dimensions, with smooth bark, and very bitter 

 and astringent seeds. 



C. AQUATiCA, Nutt. Leaflets 9-13, lanceolate, acumi- 

 nate, slightly serrate, smooth ; fruit roundish, 4-ribbed ; 

 epicarp thin, 4-parted to the base ; nut compressed, thin- 

 shelled, 4-angled ; seed much wrinkled. River-swamps. 

 March and April. — A small tree, with rough bark ; seeds 

 very bitter and astringent. 



C, BucKLEYii, Durand. Leaflets 7-9, broad ovate, or 

 ovate-lanceolate, sharply serrate, smooth on both sides, 

 paler beneath, acute at apex, subobtuse or acute at base; 

 staminate and 2^istillate catkins subpubescent ; fruit glob- 

 ular, slightly 4-angled ; shell thin, separating to the base. — 

 Tree, 3-4 feet in diameter, and 30-40 feet high ; lark of 

 trunk very thick, deeply and irregularly furrowed, not 

 scaly ; leaflets 6-8 inches long, and 2-3 inches wide. Dry 

 hills, among post-oak and black-jack, Texas. 



JUGLANS, L. "Walnut ; Butternut. 



Sterile aments lateral, solitary ; calyx 5-6-parted ; stamens 

 nmnerous; fertile floiuers terminal; calyx 4:-c\eR; petals 

 4, minute ; stigmas 2, long, recurved ; /r?a7 oblong or glo- 

 bose; epicarp indehiscent; nut incompletely 4-celled, fur- 

 rowed or sculptured. — Trees, with naked buds; leaflets 

 serrate. 



J. NIGRA, L. {Black Walnut.) Leaflets 11-21, ovate- 



