28 WILD MEDICINAL PLANTS OF THE UNITED STATES. 





Epigaea repens L. Heath family (Ericaceae). 



(J ravel-plant; trailing arbutus; mayflower. 



Small, shrubby, native plant, spreading on the ground in sandy soil, especially 

 under evergreen trees, from Florida to .Michigan and northward. 



Pari used. — Leaves (nonofficial)'. 

 EpUobium angustifolwm L. Same as Chamaenerion a ngusti folium. 

 Epilobium palustre L. Evening-primrose family Onagraceae). 



Swamp willow-herb; wickup. 



Slender, erect, native herb, 6 to 18 inches high, found in swamps and marshes 

 from Canadaand the New England States west to Colorado and Washington. 



Parts used. — Leaves and root (nonofficial). 



Epiphegus virginiana Bart. Same as Leptamnium virginianum. 



Equisetum hyemale L. Horsetail family (Equisetaceae). 



Common scouring-rush; horsetail; shave-grass. 



Rush-like perennial plant, growing in wet places along river banks and borders 

 of woods throughout nearly the whole of North America. 



Pari used. — Plant (nonofficial). 



Erechtites hieracifolia (L.) Rat*. Aster family ( Aster aceae). 



Fire weed; pile wort. 



Native, annual herb, 1 to 8 feet high, in woods, fields, and waste places, Canada 

 to Florida, Louisiana, and Nebraska. 



Part used. — Herb (nonofficial). 



f Erigeron canadensis L. Aster family ( Asteraceae ) . 



Synonym.— Leptiion canademe (L.) Britton.« 

 Canada fleabane; horseweed; colt's-tail; prideweed; bitter weed. 



Native, annual weed, 3 inches to 10 feet in height; in fields and meadows, along 

 roadsides, and in waste places, almost throughout North America. 



Pari used.— Herb (nonofficial); the oil of erigeron, distilled from the fresh, 

 flowering herb, is official. 



Erigeron philadelphicus L. Aster family ( Asteraceae ) . 



Philadelphia fleabane; sweet scabious; daisy-fleabane. 



Native, perennial herb, 1 to 3 feet high, infields and woods throughout North 



America, except extreme North. 



• Pari used. — Herb (nonofficial). 

 Eriodictyon. See Eriodictyon californicum. 



Eriodictyon californicum (H. & A.) Greene. Waterleaf family 



(Hydrophyllaceae). 

 Synonym. -—Eriodictyon glutinomm Benth. 



Eriodictyon; yerba santa; mountain-balm ; consumptive' s-weed; bear's-weed. 



Shrubby plant, 2 to 4 feet high, native; grows in clumps in dry situations and 



among rocks throughout California and northern Mexico. 

 Part uaed.— Leaves (official). 



/Eriodictyon glntmomm Benth. Same as Eriodidym californicum. 

 Eryngi'im yuccaefoliv i Michx. Sam.* as Eryngium yueci folium. 

 Eryngium yuccifolium Michx, Parsley family ( Apiaceae). 



Syrumym.—Eryrigium yuceaefo&wm Michx. 

 Water-eryngo; button-snakeroot; rattlesnake-weed; rattlesnake-master; corn- 



snakeroot. 



Native, perennial herb, 1 to 5 feet high, growing in swamps and low wet ground 



from the pine barrens of New Jersey west to Minnesota, and south to Texas 

 and r lorida. 



Part used.— Rhizome (nonofficial). 





^.v™^^ t0 the « enua **pMm Mia that its name should h 



Phannacopoei 



