ERYNGO, WATER — EUPHORBIA NUTANS. 29 



Eryngo, water-. See Eryngiurn yuccifolium. 



Erythronium americanum Ker. Lily family (Liliaceae). 



Yellow adder' s-tongue; dog's-tooth violet; yellow snowdrop; rattlesnake- violet; 



yellow snakeleaf. 

 Native, perennial herb, occurring in moist woods and thickets, Nova Scotia to 



Minnesota, south to Arkansas and Florida. 

 Parts used. — Leaves and root (nonofficial). 

 Euonymus. See Euonymus atropurpureus. 



Euonymus atropurpureus Jacq. Staff-tree family (Celastraceae). 



Euonymus; wahoo; burningbush; spindle-tree; Indian arrow wood. 

 Native shrub* or small tree, growing in woods and thickets from Ontario and 



eastern United States west to Montana. 

 Part used. — Bark of root (official) . 

 Eupatorium. See Eupatorium perfoliatum. 



Eupatorium ageratoides L. f. Aster family (Asteraceae). 



White snakeroot; white sanicle; Indian sanicle; deerwort-boneset; poolwort; 



poolroot; richweed; squaw- weed. 

 Erect, perennial herb, 1 to 4 feet high, native; in rich woods from Canada to 



Georgia, west to Nebraska and Louisiana. 

 Part used. — Eoot (nonofficial). 

 Eupatorium aromaticum L. Aster family (Asteraceae). 



Smaller white snakeroot; poolwort; poolroot; wild hoarhound. 

 Native, perennial herb, 1 to 2 feet high; in dry soil from Massachusetts to 



Florida, especially throughout the Middle States. 

 Part used. — Eoot (nonofficial). 

 Eupatorium perfoliatum L. Aster family (Asteraceae). 



Eupatorium; boneset; thoroughwort; Indian sage; ague weed; crosswort, 

 Native, perennial herb, 1 to 5 feet high; in low, wet places from Canada to 



Florida, west to Texas and Nebraska. 

 Parts used. — Leaves and flowering tops (official). 

 Eupatorium purpureum L. Aster family (Asteraceae). 



Queen-of-the-meadow; gravelroot; Joe-Pye-weed; purple boneset; kidneyroot. 

 Native, perennial herb, 3 to 10 feet high; in low grounds from Canada to Florida 



and Texas. 

 Parts used. — Eoot and herb (nonofficial). 

 Euphorbia corollata L. Spurge family ( Euphorbiaceae )» 



Flowering spurge; emetic-root; milk-ipecac; snakemilk; purging-root. 

 Native, perennial herb, about 3 feet in height, growing in dry fields and woods 



from Ontario to Florida and Minnesota to Texas. 

 Part used. — Eoot (nonofficial). 

 Euphorbia hypericifolia A. Gray. Same as Euphorbia nutans. 



Euphorbia ipecacuanhae L. Spurge family (Euphorbiaceae). 



Wild ipecac; ipecac-spurge; American ipecac; Carolina ipecac. 

 Native, perennial herb, 4 to 10 inches high; in dry, sandy soil, mostly near the 



coast, from Connecticut to Florida. 

 Part used. — Eoot (nonofficial). 

 Euphorbia nutans Lag. Spurge family (Euphorbiaceae). 



Synonym. — Euphorbia hypericifolia A. Gray. 

 Large spotted spurge; black purslane; flux weed; milk-purslane. 

 Native, annual plant, from | to 2 feet in height; in rich soils, fields, and thickets 

 throughout eastern North America, except extreme north, and extending 

 west to the Eocky Mountains. 

 Part used. — Herb (nonofficial). 



