8 WILD MEDICINAL PLANTS OF THE UNITED STATES. 



Abies canadensis Michx. Same as Tsuga canadensis. 



Abies nigra Desf. Same as Picea mariana. 



Abscess-root. See Polemonium reptans. 



Absinth. See Artemisia absinthium. 



Absinthium. See Artemisia absinthium. 



Acacia, false. See Robinia pseudacacia. 



Acer rubrum L. Maple family ( Aceraceae) . 



Red maple; swamp-maple. 



Large, native tree, often 120 feet in height, growing in swamps and low grounds 

 from Canada to Florida and Texas. 



Part used. — Bark (nonofficial.) 

 Achillea millefolium L. Aster family ( Asteraceae). 



Yarrow; milfoil; thousandleaf. 



Perennial weed, 10 to 20 inches high, common in fields and waste places nearly 

 throughout the United States, especially eastward; naturalized from Europe 

 and Asia. 



Part used. — Herb (nonofficial). 



Acorus calamus L. Arum family ( Araceae ) . 



Calamus; sweet-flag. 



Native, herbaceous perennial, about 2 feet high, found in wet and muddy places 

 and along streams from Nova Scotia to Minnesota, southward to Florida and 

 Texas. 

 Part used. — Unpeeled, dried rhizome (official). 

 Actaea alba (L. ) Mill. Crowfoot family (Ranunculaceae). 



White cohosh; white baneberry; necklace- weed; rattlesnake-herb. 

 Native, perennial herb, 1 to 2 feet high, found in rich woods from Nova Scotia 

 to Georgia and Missouri, and northward; most common from Indiana and 

 Kentucky to Pennsylvania and New York. 

 Parts used. — Rhizome and rootlets (nonofficial). 

 Actaea, racemosa L.- Same as Qimicifuga racemosa. 



Actaea rubra ( Ait.) Willd. Crowfoot family (Ranunculaceae). 



Synonym. — Actaea spiccda var. rubra Ait. 

 Red cohosh; red baneberry; rattlesnake-herb. 



Native, perennial herb, 1 to 2 feet high, found in woods from Nova Scotia to the 

 Middle States, west to the Rocky Mountains; most abundant from New 

 England to Ontario. 

 Parts used. — Rhizome and rootlets (nonofficial). 

 Actaea spicata var. rubra Ait. Same as Actaea rubra. 

 Adam-and-Eve. See Aplectrum spicatum. 

 Adder' s-tongue, yellow. See Erythronium americanum. 



Adiantum pedatum L. Fern family (Polypodiaceae). 



Maidenhair-fern. 

 Native fern, 9 to 15 inches high, growing in rich moist soil in woods in Canada 



and almost all parts of the United States. 

 Part used. — Herb (nonofficial). 

 Aesculus glabra Willd. Buckeye family (Aesculaceae). 



Ohio buckeye; fetid buckeye; smooth buckeye. 



Small, native tree, 20 to 40 feet in height, found in woods and on river banks 

 from Pennsylvania south to Alabama, westward to Michigan and the Indian 

 Territory. 

 Parts used. — Bark and fruit (nonofficial), 



