Description of Native Trees 



no. Mocker-nut. Black Hickory. Big-bud Hickory. 



(Hicoria alba.) 



LEAF : 8'-i2', odd-pinnate, alternate ; leaflets, 7-9, 2' -7' long, 

 serrate, stemless except the terminal, lance-obovate, apex pointed, 

 scented when crushed ; stem rough throughout ; husk thinner 

 than in shagbark (about %') ; buds very large. RANGE : eastern 

 and southern part of territory. (PI. XII.) 



in. Pignut. Broom Hickory. (Hicoria glabra.) 

 LEAF : 8'-i2 r , odd-pinnate, alternate ; leaflets, 5-7, seldom 9, 

 2 f -s' long, lowest pair smallest, serrate, lance-obovate or lance- 

 oblong, apex pointed, stemless (except the terminal), leaf and 

 main stem smooth ; husk thin ; nut pear-shaped or round , 

 smooth. 



112. Bitternut. Swamp Hickory. (Hicoria minima.) 

 LEAF: 6'-io', odd-pinnate, alternate; leaflets, 7-11, s'-6' 



long, serrate, long-oval or long ovate, apex tapering, smooth 

 when mature ; stem usually slightly winged and flattened ; husk 

 very thin, nutshell thin, kernel very bitter. 



113. Western Shagbark Hickory. (Hicoria sulcata.) 

 LEAF : much as in the eastern shagbark (109), but leaflets 7-9 ; 



bark exfoliating, husk even thicker than in 109, and nut larger. 

 RANGE : Pennsylvania to Wisconsin, and south. 



114. Small-fruited Hickory. (Hicoria microcarpa.) 

 LEAF : 6'-io', odd-pinnate, alternate ; leaflets, 5 (rarely 7), 2'- 

 5' long, serrate, lowest pair smallest, elliptical, base and apex 

 pointed. FRUIT : as in shagbark, but smaller, husk thinner. 

 RANGE : New York to Pennsylvania, and southwest ; probably a 

 variety of pignut. 



115. Ailanthus. (A. glandulosus.) 



LEAF: iK-3, odd-pinnate, alternate; leaflets, 21-41, 3'-$' 

 long, one or two teeth at base on each side (rarely none), lance- 

 oblong. FLOWER: yellowish-green, small, in dense upright 

 clusters (staminate malodorous) ; June. FRUIT : winged seeds ; 

 introduced, but now spontaneous. (PI. XIII.) 



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