Trees, Shrubs and Vines 



116. Staghorn Sumach. Velvet Sumach. (Rhus 



typhina.) 



LEAF: i^-2, odd-pinnate, alternate; leaflets, 11-31, 2 f -s' 

 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'-$' 



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.) 



ir8. European Mountain Ash. (Pyrus aucuparia.) 

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

 green above, downy beneath ; berries larger ; cultivated. 



119. Butternut. White Walnut. (Juglans cinerea.) 

 LEAF: i-2^, odd-pinnate, alternate; leaflets, 11-17, 3'~5' 

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

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

 nate in catkins 3'-$' long, pistillate in spikes, y$ 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 119, 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.) 



121. Pecan-nut. (HICKORY.) (Juglans olivseformis.) 

 LEAF : i-2, odd-pinnate, alternate ; leaflets, 13-15, 2'-$' 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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