Description of Native Trees 
110. Mocker-nut. Black Hickory. Big-bud Hickory. 
(Hicoria alba.) 
LEAF: 8'—12', 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 1{’); buds very large. RANGE: eastern 
and southern part of territory. (Pl. XII.) 
111. Pignut. Broom Hickory. (Hicoria glabra.) 
LEAF: 8-12’, odd-pinnate, alternate; leaflets, 5-7, seldom 9, 
2'-5' 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: 6-10’, odd-pinnate, alternate; leaflets, 7-11, 3'-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.) 
LrEAF: 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'-10', odd-pinnate, alternate ; leaflets, 5 (rarely 7), 2’— 
s' 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: 114°-3°, odd-pinnate, alternate; leaflets, 21-41, 3'-5’ 
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. (Pl. XIII.) 
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