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WALNUT FAMILY, Juglandaceae 



Trees with pinnately* compound leaves alternately 

 arranged on the twigs. The twigs also are alterna- 

 tely branched. Walnut leaves may easily be mis- 

 taken for ash tree leaves except the leaves of the 

 ash are opposite each other on the twigs and the 

 twigs are oppositely branched. 



25. Butternut, White Walnut, Juglans cinerea. Leaf- 

 lets 11-17, 2-4 in. long. Pith of twigs chocolate brown. 

 Its leaves and fruit are both sticky and hairy. (G). 



26. Black Walnut, Walnut, Juglans nigra. Leaflets 

 11-23, 2-4 in. long. Pith of twigs cream color. Its 

 leaves and fruits are neither sticky nor hairy. (G.) 



27. Shag-Bark Hickory, Carya ovata. Leaflets usu- ^F 

 ally 5, upper ones 5-7 in. long. Known by the loose 

 shaggy bark of the trunk and its large globular fruit. 

 (G.) 



28. Big Shell-Bark, Hickory, Carya laciniosa. Leaf- 

 lets usually 7, upper ones 5-9 in. long. Has large egg- 

 shaped fruit 1^4-2^ in. long, and orange colored twigs. 

 (G.) 



29. Mockernut, Hickory ; Carya alba. Leaflets 7-9, 

 upper ones 5-8 in. long. This hickory has large globular 

 fruit in which are large nuts with a very small kernel, 

 hence the name Mockernut. (G.) 



30. Small-Fruited Hickory, Carya microcarpa. 

 Leaflets 5-7, upper ones 3-6 in. long. Twigs covered with 

 hairs. Known by its small globular fruit which is less j^ 

 than 1 in. long and has a sweet kernel. (G.) ^P 



31. Pignut, Hickory, Carya glabra. Leaflets 5-7, 

 upper ones 3-6 in. long. Twigs smooth. The fruit has a 

 thin husk which is winged. (G.) 



32. Bitternut, Hickory, Carya cordiformis. Leaflets A 

 7-11, upper ones 4-6 in. long. Twigs and fruit hairy. The W 

 Bitternut may be distinguished by its bright yellow buds 

 and the bitter kernel of its nut. (G.) 



*The term pinnately comes from the word pinna, 

 meaning feather, and is used to describe compound 

 leaves, which have a central stalk like the shaft ^ 

 of a feather. B 



The term palmately has its origin in the word 

 palm, and is applied, to compound leaves whose 

 leaflets branch from the end of the leaf-stalk. 



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