INDIAN-PIPE JASMINE, YELLOW. 39 



Indian-pipe. See Monotropa uniflora. 

 Indian-roiit. See Aralia racemosa. 

 Indigo, American. See Bapt'ma t'mdoria. 

 Indigo, wild. See Baptisla tindoria. 

 Indigo, yellow. See Buptisia tinctoria. 

 Indigo-weed. See Bapima tinctoria. 

 Inkberr}-. See Phytolacca decandra. 

 Inkroot. See Limonium carolinianum. 

 Insane-root. See Hyoscyamns niger. 

 Inula. See Inula hchniium. 



Inula helenium L. < Aster family (Asteraceae). 



Inula; elecampane; horseheal; scabwort. 

 Rough, perennial herb, 3 to 6 feet high, naturalized from Europe, and found 



along roadsides and in fields and pastures from Nova Scotia to North Carolina, 



westward to IMissouri and Minnesota. 



Part med.—Rooi (official in U.- S. P. 1890). 

 Ipecac, American. See Euphorbia, ipecacuanhae. 

 Ipecac, Carolina. See Euphorbia ipecacuanhae. 

 Ipecac, false. See Porteranthus trifoliatus. 

 Ipecac, milk-. See Euphorbia coroUata. 



Ipecac, wil<l. See Euphorbia ipecacuanhae and Triostevm perfoUatum. 

 Ipecac-spurge. See Euphorbia ipecacuanhae. 



Ipomoea pandurata (L.) Meyer. Morning-glory family (Convolvulaceae). 



Synonym. — Convolvulus panduratus L. 



Manroot; man-of-the-earth; wild potato; hog-potato; wild jalap. 



Native perennial, with trailing stems 2 to 12 feet long; in dry fields or on hills 



from Connecticut to Michigan, south to Florida and Texas. " 

 Part ».s«7. — Root (nonofficial). 



Iris. See Irl^ versicolor. 



Iris versicolor L. Iris family f Iridaceae ) . 



Iris; blue flag; fiag-lily; liver-lily; water-flag; snake-lily. 



Native, perennial plant, 2 to 3 feet high, found in wet, marshy localities from 

 Newfoundland to ManitoVja, south to Florida and Arkansas. 



Part.^ used. — Rhizome and roots (official in U. S. P. 1890). 

 Ironwood. See Odrya nrginiana. 

 Ivy, American. See Parlhenocissus quinquefolia. 

 Ivy, ground-. See Glecoma hederacea. 

 Ivy, j)oison-. See AV/h.s radicans and P. toxicodendron. 



Jack-in-the-i)ulpit. See Arisaenw triphyllnm. 

 Jacob' s-ladder. See Polemoniwu reptans. 

 Jacob's-ladder; American. SeeSrnildx herbacea. 

 Jalap, wild. See Ipomoea pandurata. 

 James-tea. See Ledum groenlandicum . 

 Jamestown-weed. See Datura .stramonium. 

 Jasmine, Carolina. See Gelsemium semfjerrirnis. 

 Jasmine, yellow. See Gelsemium sempervirens. 



