184 PLANT NAMES AND SYNONYMS 



b. H. thy moides Gray. (H. piperita Gray, not Benth. ) of Texas 

 has properties of (a) but is less disagreeable; (c) H. piperita 

 Benth., not A. Gray, of Mexico resembles peppermint and is 

 used in the same manner. 



961. HEDERA, L. - Ivy. - Araliaceae. 



The classical Latin name, ' 'clinging' ' . Evergreen climbers. 

 Two species, one of Euro- Asia, one of Australia. 



a. H. Helix L. (H. poetica Salisb. ). Europe and Asia, widely 

 cult. Ivy (Ivory, Hyven), English Ivy; Barren, Black, Creep- 

 ing or Small Ivy, Woodbind, Bindwood ( Scotland ); Ger. Epheu 

 (gemeiner), Mauerepheu. Exudate, Ivy gum, Gummi resina 

 hederae, Gummi hederse (arboreae), emmenagogue, astringent. 

 Berries emeto-cathartic, narcotic. Wood formerly used for 

 issue peas. 



962. HEDYSARUM, L. Hedysarum. Papilionaceae. 



The Greek name of a Vetch, "sweet Broom". Perennial 

 herbs, some shrubby. About 60 species, north temperate zone 

 and northern Africa; 6 in U.S. (a) H. Gangeticum Auct. 

 India. Root used like ipecac in dysentery. 



963. HEIMIA, Link. & Otto. Heimia. Lythraceae. 



Named for Dr. Heim, physician, of Berlin. Syn. Nes-sea, 

 in part. Shrubs with yellow flowers. Two species, New 

 World; 1 in southern U. S. 



a. H. salicif61ia.(H. B. K.; L. &0. (N. salicifolia H. B. K.). 

 Texas, Mexico and Argentina. Hanchinol, Abro sol. Leaves 

 diaphoretic, anti-syphilitic, insecticide. 



964. HELENIASTRUM, Vaill. Heleniastrum. Coiiipositae. 



From Greek, "star Helenium". Syn. Helenium, in part. 

 Herbs with resinous-dotted leaves. Five species, western U. S. 



965. HELENIUM, L. Sneeze-weed. Compositae. 



Greek name of Elecampane. Bitter herbs with large flower 

 heads. About 25 species, northern and central America; 16 in 



U. s. ■ 



a. H. autuiimale L. Canada to Florida and west to Arizona and 



British Columbia. Sneeze-weed, Sneezewort, Swamp or False 

 Sunflower, Oxeye, Yellow-star. In Mexico called Rosilla de 

 puebla. Leaves and flowers errhine, having probably some 

 narcotic properties. Other species possess similar properties. 



b. H. tenuifolium Nutt. Virginia to Florida, Texas and Mis- 



souri. Fine-leaved Sneeze- weed. Plant actively poisonous. 



966. HELIANTHELLA, Torr. & Gr. Helianthella. Compositae. 



Latin, diminutive of Helianthus. Syn. Encelia, Geroea, 

 Leighia, Lithonia, in part. Perennial herbs with yellow 

 flowers. About 15 species, N. A^merica; 12 in U. S. 



a. H. tenuifolia Torr. & Gr. Florida. Helianthella. Boot, ex- 

 pectorant, anti-spasmodic, emetic. 



