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METHODICAL DISPOSITION 
OF THE 
WALNUTS 
OF 
NORTH AMERICA. 
Monœcîa Polyandrîa, Linn. Terebinthaceæi Juss. 
FIEST SECTION. 
Simple aments. {PL 29 and 30.) 
VEGETATION RAPID. 
1. Common European Walnut, . , Juglans regia. 
2. Black Walnut, . . Juglans nigra. 
3. Butternut. . . Juglans cathartica. 
SECOND SECTION. 
HICKORIES. 
Compound aments, each peduncle hearing three. {PL 36,^^. 3.) 
VEGETATION SLOW. 
4. Pecannut Hickory, 
5. Bitternut Hickory, 
6. Water Bitternut Hickory, 
7. Mockernut Hickory, 
8. Shellbark Hickory, 
9. Thick Shellbark Hickory, 
10. Pignut Hickory, 
11. Nutmeg Hickory. 
Juglans [Cary a) olivæformis. 
Juglans {Cary a) amara. 
Juglans {Cdrya'^ aquatica. 
Juglans {Carya^ tomentosa. 
Juglans {Cary a) squamosa. 
Juglans {Carya'^ laciniosa. 
Juglans {Carya'j porcina. 
Juglans {Carya'^ myrisHcæformis. 
