Trees, Shrubs and Vines 



Ii6. Staghorn Sumach. Velvet Sumach. (Rhus 

 typhina.) 

 Leaf: i^°-2°, odd-pinnate, alternate; leaflets, 11-31,2-5' 

 long, serrate, lance-oblong, apex pointed ; leaf-stems and branch- 

 lets thickly and velvety hairy. Flower : greenish-white or 

 greenish-red, small, in dense erect pyramidal clusters ; June. 

 Fruit : dry crimson berries densely clustered and showy in fall ; 

 low tree and shrub. (PI. XII.) 



117. American Mountain Ash. (Pyrus americana.) 

 Leaf : 6'-io', odd-pinnate, alternate ; leaflets, 13-17, 2'-3' 



long, sharply serrate, lance-oblong, apex pointed, dark green 

 above. Flower : white, in large, flat-topped clusters ; June. 

 Fruit : bright red berries. Range : Maine to Pennsylvania, 

 west and south ; low tree and shrub ; cultivated. (PI. XIII.) 



118. European Mountain Ash. (Pyrus aucuparia.) 

 Leap: much as in 117, but leaflets oblong, apex blunt, dull 



green above, downy beneath ; berries larger ; cultivat^ed. 



119. Butternut. White Walnut. 0uglans cinerea.) 

 Leaf: \°-2%°, odd-pinnate, alternate; leaflets, 11-17, 3'-$' 



long, serrate, lance-oblong, apex tapering, base rounded, downy ; 

 stem, branchlets, and fruit sticky-hairy. Flower : small, stami- 

 nate in catkins 3-5' long, pistillate in spikes, J^' long. May. 

 Fruit : oblong ; bark, light brownish. 



120. Black Walnut. (Juglans nigra.) 

 Leaf : i°-2°, odd-pinnate, alternate ; leaflets, 13-23, 2'-4' long, 

 serrate ; much as in iig, but base often oblique or cordate, and 

 smooth ; stem and globular fruit not sticky ; bark quite dark ; 

 scarce in Eastern States except when planted. (PI. XIII.) 



I2X. Pecan-nut. (Hickory.) (Juglans olivaeformis.) 



Leaf : i°-2°, odd-pinnate, alternate ; leaflets, 13-15, 2-5' long, 



serrate, lance-oblong, apex very tapering, short-stemmed, slightly 



scythe-shaped. Flowers in catkins. Fruit : oblong ; husk 



four-valved, as in all hickories. Illinois and south. 



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