38 WILD MEDICINAL PLANTS OF THE UNITED STATES. 



Hyoscyamus. See Hyoscyamus niger. 



Hyoscyamus nig-er L. Potato family ( Solanaceae) . 



Hyosc3'amus; henbane; hog's-bean; inaane-root. 

 Biennial herb, 6 inches to 2 feet high, sparingly naturalized from Europe, in 



waste places from Nova Scotia to Ontario, New York, and ^lichigan. 

 Partft used. — Leaves and flowering tops from plants of second year's gro\\'th 

 (official); seeds are also used (nonofficial). 



Hypericum perforatum L. St. John's-wort family (Hypericaceae). 



John's-wort; common St. John's-wort. 



Herbaceous perennial, 1 to 2 feet high, naturalized from Europe; common in 



fields and waste places throughout almost the entire United States, except the 



Southern States. 

 Part used. — Herb (nonofficial). 



Hyssop., See Hyssopus officinale. 

 Hyssop, wild. See Verbena hastata. 

 Hyssop-skullcap. See Scutellaria integrifoUu. 



Hyssopus officinalis L. Mint family (Menthaceae). 



Hyssop. 



Perennial herb, 1 to 3 feet high, naturalized from Europe, and found along road- 

 sides and in waste places from Ontario and Maine to North Carolina, and on 

 the Pacific coast. 

 Part used.— Herb (nonofficial). 



Ilex opaca Ait. Holly family ( Aquifoliaceae ) . 



American holly; white holly. 



Native tree, 20 to 40 feet in height, with evergreen leaves; in moist woodland.*. 



Maine to Florida, and west to Missouri and Texas; most abundant in the 



Atlantic States. 

 Parts used. — Leaves and bark (nonofficial). 



Ilex verticillata (L. ) A. Gray. Holly family (Aquifoliaceae). 



Synonym. — Prinos verticillata L. 



Black alder; feverbush; Virginia winterberry. 



A native shrub, growing in moist woods and along banks of streams from Nova 

 Scotia to Florida, west to "Wisconsin and Missouri. 



Parts used. — Bark and berries (nonofficial). 

 Impatiens aurea Muhl. Jewelweed family (Impatientaceae). 



Synonym. — Impatiens pallida Nutt. 



Jewelweed; pale touch-me-not; snapweed; wild celandine. 

 Native, annual plant, 2 to 4 feet high, found in rich soil in moist, shady places 

 from Quebec to Oregon, south to Georgia and Kansas. 



Part used. — Herb (nonofficial). 

 Impatiens biflora Walt. Jewelweed family (Impatientaceae). 



Synonyrii. — Impatiens fulra Nutt. 



Jewelweed; spotted touch-me-not; snapweed; silverleaf. 



Native, annual plant, 2 to 5 feet high, growing in rich soil in moist, shady place.s 

 from Canada to Alaska and Oregon, south to Florida and Missouri; more com- 

 mon than the pale touch-me-not. 



Part used. — Herb (nonofficial). 

 Impatiens fulva Nutt. Same as Impatiens bijiora. 

 Impatiens pallida ^utt. Same as Impatiens aurea. 

 Indian-cup. See Silphlnm perfoliatum. 

 Indian-paint. See Saugmnaria canadensis. 

 Indian-physic. See Porteranthus irifoliatus. 



