NAT. ORDER. 



Dumosce. 



RHUS GLABRUM. UPLAND SUMACH. 



Class V. Pentandria. Orde?- III. Trigynia. 



Gen. Char. Calyx, five-parted. Corolla-petals, five. Berry, one 

 seeded. 



Spe. Char. Leaves, pinnate, quite entire. Petioles, membranace- 

 ous, jointed. ' , 



This specimen of Sumach is a small tree usually rising from 

 six to twelve feet in height ; the stem is divided into many strag- 

 gling branches, which are bent and covered with a smooth light 

 grey, or somewhat reddish bark ; the leaves are pinnated, alternate, 

 and consist of several pair of pinnae, which are ovate-lance-shaped, 

 obtusely serrated, smooth above, hairy beneath, and stand upon 

 short footstalks; the ^oivers are numerous, small, white, and placed 

 in large branched spikes ; the calyx is five-toothed, erect, persistent, 

 and placed below the germen ; the corolla consists of five petals, 

 which are ovate, white, and mostly erect ; the Jilaments are five, 

 and very short; the anthers are small; \he germen is roundish, and 

 about the length of the corolla ; the style is scarcely visible • the 

 stigmas are three, and somewhat cordate ; the fruit is a roundish 

 one-celled red berry, and contains one solitary round hard seed. 

 It produces its flowers in June and July. 



This species of Sumach is found in almost all parts of the 

 United States, growing in old neglected fields, along fences, and on 

 the borders of woods. It is described by various authors as being 

 a native of the South of Europe, where it was considerably culti- 



