Genus RHUS, L. (Sumach.) 

 Fig. 99. Stag-horn Sumach. R. t)pkina, L. 



Leaves, COMPOUND (odd-feathered ; leaflets, eleven to 

 thirty-one) ; ALTERNATE ; EDGE OF LEAFLETS EVENLY 



AND SHARPLY TOOTHED. 



Outline of leaflet, narrow egg-shape. Apex, long, taper- 

 pointed. Base, rounded or slightly heart-shaped. 



Leaflet-stem, lacking. Leaf-stem, densely velvety-hairy. 



Leaflet, usually two to four inches long and about one 

 fourth as wide ; the under surface whitish and more 

 or less downy. 



Leaf, one to two feet or more in length. 



Branchlets and stalks, especially towards their ends, cov- 

 ered with a very dense velvet-like down, often crimson- 

 tinged. The juice is milky and acid. 



Flowers, greenish-yellow, in upright, pyramid-shaped 

 bunches at the ends of the branches. June. 



Berries, rounded, somewhat flattened, bright crimson, 

 velvety, crowded. Stone, smooth. Juice, acid. Sep- 

 tember, October. 



Found, from New Brunswick and the valley of the St. 

 Lawrence through the Northern States, and south- 

 ward along the Alleghany Mountains to Central 

 Alabama. 



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