36 WILD MKDICINAL PLANTS OF THE UNITED STATES. 



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Helianthemum canadense (L.) Michx. Rock-rose family (Cistaceae). 



Frost weed; frostwort; frost-plant; Canadian rock-rose. 



Native, perennial herb, about one foot in height; in dry, sandy soil, Maine to 

 Wisconsin, south to North Carolina and Kentucky. 



Part used. — Herb (nonofficial). 

 Hellebore, American. See Verairum viride. 



Hellebore, green. See Verairum wride. 



Hellebore, swamp-. See Verairum viride* 



Helmetpod, See Jeji'< mania diphylla, 



Helonias dUrica Pursh. Same as Chamaelirium luteum. 



Hemlock. See Tsuga canadensis. 



Hemlock, poison-. See Con i am macukUum. 



Hemlock, water-. See Cicuta maculata. 



Hemlock-spruce. See Tsuga canadensis. 



Hemp, black Indian. See Apocynum cannobinum. 



Hemp, Canadian. Bee Apocynum cannabinum. 



Hem]), white Indian. See AstiUpia* in car tta. 

 Henbane. See Ifyoscyautu* niger, 



Hepatica acuta (Pursh) Britton. Crowfoot family (Ranunculaceae). 



Synonym. — Hepatica acutdoba DC. 



Heart-] iverleaf; sharp-lobed liverleaf; liverwort. 



Perennial herb, 4 to 9 inches high, found in woods from Quebec and < mtario, 

 south to Georgia (bot rare near the coast), west to Iowa and Minnesota. 



Pari used. — Leaves (nonofficial). 



Hepatica acutiloba DC. Same as Hepatica acuta. 



Hepatica hepatica (L. ) Karst. Crowfoot family (Ranunculaceae). 



Synon ym. — Hepat it a triloh t C h ai x . 

 Round-iobed liverleaf; kidney-liver leaf; liverwort. 



Perennial herb, 4 to 6 inches high; in woods from Nova Scotia to northern 

 Florida, west to Iowa and Missouri; less common than the heart-liverleaf. 



Part used. — Leaves ( no n official). 



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Hepatica triloba Chaix. Same as Hepatica hepatica. 



Heracleum lanatum Michx. Parsley family (Apiaceae). 



^ Masterwort; cow-parsnip; youth wort-. 



Native, perennial herb, 3 to 5 feet high, growing in moist meadows and culti- 

 vated ground from Canada south to North Carolina, Utah, and California. 



Parts used. — Root, leaves, and seeds (nonofficial). 

 Hercules-club, See Fagara clava-herad 1 * . 



Heuchera americana L. Saxifrage family ( Saxifragaceae |. 



Alum-root; American sanicle. 



Native, perennial herb, 2 to 4 feet in height; in shady, rocky woodlands from 

 Connecticut to Minnesota, south to Alabama and Louisiana. 



Part used. — Root (nonofficial). 



Hickory, shell bark-. See Hiroria orata. 



Hicoria ovata (Mill.) Britton. Walnut family (Juglandaceae) . 



Synonym. — ( itrya alba Nutt. 

 Shagbark, shellbark-hickory. 



Large, native tree, sometimes 120 feet in height; in rich soil from Quebec to 

 southern Ontario and Minnesota, south to Florida and Texas. 



Ports used. — Bark and leaves (nonofficial). 



