MELANTHACE A. 
Melanths. 
No. 76. 
HELONIAS DIOICA. 
Unicorn Root. ~* 
Place—United States. 
Quality—Not unpleasant. 
Power—Tonic, anthelmintic. 
Use—Colic, rheumatism, jaundice. 
BOTANICAL ANALYSIS. 
Natural Order. Coronarizx.—Melanthacer. J. 
Crass VI. Hexandria. Orper Trigynia. 
Willd. Sp. Pl. ii. 183. Lou. Ency. Pl. 268. Linn. Sp. Pl. 456. Bigelow, Med. 
Bot. iii. 50. U.S. Dis. 64. Raf. Med. Flor. i. 37. Per El. Mat. Med. ii. 130. Griff. 
Med. Bot. 263. Wood Class Book, 559. 
Genus. HELONIAS. 
From the Greek, é\os, a marsh, where some species grow 
THE ESSENTIAL CHARACTERS, 
Frorat Envetore, or Pertanth regular, in two series, each of 
three segments which are distinct or united me base, gener- 
ally involute in estivation. 
Sramens, Six, with extrorse anthers. 
Ovary. Three-celled, nine—many ovuled. Styles distinct ot 
wanting. Stigmas undivided. 
Frurr. Capsule or berry, threc-celled, gencrally with pends 
dehiscence. 
Soya With a membranous testa, and dense esky ogeaaia 
