600 PLANT LIFE OF ALABAMA. 
ANACARDIACEAE. Cashew Family. 
COTINUS Adans. Fam, Pl. 2:345.- 1763. 
Two species, southern Europe, Asia. South Atlantic North America. Trees and 
shrubs. 
Cotinus cotinoides (Nutt.) Britton, Mem. Torr. Club, 5: 216. 1894. 
AMERICAN SMOKE TREE. CuHITTam Woor. 
Rhus cotinoides Nutt.; Torr. & Gray, Fl. N. A. 1:216. 1838. 
Cotinus americanus Nutt. Sylv.N. A.3:1,¢. 81. 1849. 1857. 
Gray, Man.ed.6,119. Chap. FI. 70. 
Carolinian area. Indian Territory. Western Texas, valley of Medina River; Ten- 
nessee, Cheat Mountains; southwestern Missouri. 
ALABAMA: Mountain region. Rocky woods. On the ridges where the carbonifer- 
ous sandstone immediately overlies the limestone strata at an elevation of 900 to 
1,200 feet. Madison County, high knob at the Bailey place near Newmarket, there 
first discovered by S. B. Buckley in 1840 and rediscovered by Mohr in 1882. Monte- 
sano range, copious coppice growth. Jackson County, summit of limestone ridge, 
rising above the Gurley place, extensive grove of original growth. Flowers middle 
of April; fruit ripe at end of May. Drupes smooth, dark brown; tree 25, rarely 35, 
feet high, 8 to 10 inches in diameter. PuaTE VI. 
Economic uses: The fine-grained deep yellow wood was formerly employed for 
fence posts; used by the negroes tor kindling. The bark, like the wood, is used for 
dyeing. Ornamental. 
Type locality (Torr. & Gray): “On the high rocky banks of Grand River, 
Arkansas, Nuttall!” 
Werb. Geol. Surv. Herb. Mohr. 
RHUS L. Sp. Pl. 1: 265. 1753. 
One hundred and twenty species, of temperate and warmer regions, South America 
Asia. North America l4. Trees and shrubs. 
Rhus copallina L. Sp. Pl. 1: 266. 1753. SumacH. Dwarr Sumacu. 
Ell. Sk.1:362. Gray, Man.ed. 6, 119. Chap. Fl. 69. Coulter, Contr. Nat. Herb. 
2:67. Sargent, Silv. N. A: 3:19, ¢. 104. 
Alleghenian to Louisianian area. Ontario, New England west to Minnesota and 
Nebraska, south to the Gulf, and from Florida to Texas. 
ALABAMA: Throughout the State. Hilly rocky woods and dry sandy pine barrens. 
Flowers green; fruit ripe in August, dark red, acidulous. Large shrub, more rarely 
arborescent. Most abundant and of largest size in the rocky hills of the Lower hill 
country and Upper division of the Coast Pine belt. 
Economic uses: The leaves are used for tanning. 
Type locality: ‘‘Hab. in America septentrionali.” 
Herb. Geol. Surv. Herb. Mohr. 
Rhus glabra L. Sp. Pl. 1: 265. 1753. Smoot SuMACH. 
Ell. Sk.1:361. Gray, Man. ed.6,119. Chap. Fl. 69. i ’ 
Alleghenian to Louisianian area. Ontario to Saskatchewan. New England west 
to Nebraska, Colorado, Arkansas, and Arizona; from New York to Florida and west- 
ern Louisiana. 
ALABAMA: Throughout, on barren, gravelly, orrocky soil. Flowers greenish white; 
June, Fruit ripe in September and October, crimson, acid. Shrub 8 to 15 feet high. 
Economic uses: The leaves are used for tanning and dyeing. The fruit is the 
sumach, ‘Rhus glabra,” of the United States Pharmacopoia. 
Type locality: ‘‘ Hab. in America septentrionali.” 
Herb. Geol. Surv. Herb. Mohr. 
Rhus vernix L. Sp. Pl. 1:265. 1753. Poison SumacH. PoIson ELDER. 
Rhus venenata DC. Prodr. 2:68. 1825, é 
Bn 1:362. Gray, Man. ed. 6,119. Chap. Fl. 69. Sargent, Silv. N. A. 3:23, 
t. 107, 108. 
Alleghenian, Carolinian, and Louisianian areas. Western Ontario; New England 
west to Minnesota, south to the Gulf, and from Florida to western Louisiana. 
ALABAMA: Throughout, excepting the higher mountain ranges. Swamps. Cull- 
man County, Meriotts Creek, 600 feet. Flowers white, May; fruit ripe in Septem- 
