26 WILD MEDICINAL PLANTS OF THE UNITED STATES. 



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y Delphinium consolida — Continued. 



enous tall larkspur, Delphinium urceolatum Jacq, (D. exaUatum Ait.), is used 

 for similar purposes. This is found in woods from Pennsylvania to Minnesota, 

 south to Alabama and Nebraska. 



Part* used. — Herb and seeds (nonofiicial). 

 Delphinium altnfiun Ait. See under Delphinium consolida. 

 Ddphirnium urceolatum J acq. See under Delphinium consolida. 

 DeviPs-bit. See Ladnaria scariosa. 

 DeviPs-shoesfcring. See Oracca virginiana. 

 Dewberry. See Rubus procumbens. 

 Dewberry, one-flowered. See Rubus vtflosus. 

 Dewberry, southern. See Rubus trivialis. 

 Dicentra canadensis Walp. Same as Bikukulia canadensis. 

 Digitalis. See Digitalis purpurea. 



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Digitalis purpurea L. Fig-wort family (Scrophulariaceae). 



Digitalis; foxglove; fairy-fingers; thimbles; lady's-glove. 



Very handsome biennial plant, 3 to 4 feet high; introduced from Europe as a 

 garden plant, and now escaped from cultivation in parts of Oregon, Washing- 

 ton, and West Virginia. 



Parts i (1. — Leaves from plants of second year's growth, gathered at commence- 

 ment of flowering (official) . 



Dioscorea villosa L. Yam family (Dioscoreaceae). 



Wild yam; colic-root; rheumatism-root.* 



Slender, herbaceous, native vine, growing in moist thickets from Rhode Island 

 to Minnesota, south to Florida and Texas; more common in central and south- 

 ern parts of the Tinted States. 



Part used. — Rhizome (nonofhcial). 

 Diospyros virginiana L. Ebony family (Diospyraceae). 



Persimmon. 



Indigenous tree, 15 to 50 feet in height; in fields and woods, Rhode Island to 

 Kansas, Florida, and Texas. 



Parts used. — Bark and unripe fruit (nonofiicial), 

 Dirca palustris L. Mezereon family (Daphnaceae). 



Leatherwood; mooeewood; American mezereon; wickopy; rope-bark. 



A native shrub, occurring in woods and thickets, New Brunswick to Florida, 

 P west to Missouri and Minnesota; most common in the Northern and Eastern 

 States. 



Part umd. — Bark (nonofiicial). 



Ditch-stonecrop. See Penthonnn sedtrides. 



Dittany, American. Bee Ctinila oriaanoides. 



Dock, bitter. See Rumex obtusifolius. 



Dock, blunt-leaved. See Rumex obtusifolius. 



Dock, broad-leaved. See Rumex o&im olius. 



Dock, curled. BeeRumex \ ispus. 



Dock, narrow. See Rum* rispus. 



Dock, sour. See Rumex crispus. 



Dock, spatter-. See Nymphaea advena. 



Dock, velvet. See Verbascum thapms. 



Dork, yellow. See Rum crispus. 



Dogbane, spreading. See Apocy* m mdrwaemifotium. 



Dogberry. See Sorbus americana. 



