38 WILD MEDICINAL PLANTS OF THE UNITED STATES. 



Hyoscyamus. See Hyoscyamus nig 



Hyoscyamus niger L. Potato family Solanaceae . 



Hyoscyamus; henbane: hog"s-bean: insane-root. 

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



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

 ports used. — Leaves and flowering tops from plants of second year's growth 

 official : seeds are also used t nonofficial). 



Hypericum perforatum L. St. Jonn'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 i nonofficial > . 

 Hyssop. Set- Hyssopus officinalis. 

 Hyssop, wild. See Verbena hastata. 

 Hyssop-skullcap. See Scutellaria integrifolia. 



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 Xorth Carolina, and on 

 the Pacific coast. 

 Partused. — Herb nonofficial . 



Ilex opaca Ait. Holly family AquifoliaceaeL 



American holly: white holly. 



Native tree. 20 to 40 feet in height, with evergreen leaves: in moist woodlands. 

 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 ). 



$yi any n. — Impatiens pallida Xutt. 



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



Xative, 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). 



Synonym. — Impatiens full a Nntt. 



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



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

 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 biflora. 

 Impatiens pallida Nutt. Same as Impatiens aurea. 

 Indian-cup. See Silphium perfoliatum. 

 Indian-paint. See Sanguinaria canadensis. 

 Indian-physic. See Porteranthus trifoUatus. 



