(224) 



501 1. American Angelica. — The root of Angelica atropurpurea L. Native of the 



eastern United States. Presented by Parke, Davis & Company, of New York. 



5012. American Angelica root. — Another sample of the same. Collected near 



Asheville, North Carolina, 1919. Presented by H. H. Rusby. 



5013. European Angelica. — The root of Angelica Archangelica L. Native of Europe 



and northern Asia. 



5014. Powdered hemlock. Parsley root. Seng-kin. Conioselinum root. — The 



root of Selinum Benthamii S. Watson, in the powdered state. Native of 

 Japan. From the New York drug market. Presented by H. H. Rusby. 



5015. Osha root. Colorado cough-root. — The root of Ligusticum filicinum S. 



Watson. Native of Colorado and the adjacent country. From the New 

 York drug market. Presented by H. H. Rusby. 



5016. Gelsemium. Yellow jessamine root. — The rootstock and root of Gelsemium 



sempervirens Ait. (See No. 2792.) Presented by Parke, Davis & Com- 

 pany, of New York. 



5017. Spigelia. Pink-root. Worm-grass. — The rootstock and roots of Spipelia 



marylandica L. (Same family). Native of the eastern and central United 

 States. Presented by Parke, Davis & Company, of New York. 



5018. Pure powdered Spigelia, or pink-root. — The preceding in the powdered 



state. Presented by H. H. Rusby. 



5019. The same, heavily adulterated with sand. Same donor. 



5020. The same, adulterated with a little Rudlia root. Same donor. 



5021. The same, mostly Rudlia root. Same donor. 



5022. Powdered Rudlia root, sold as "Powdered Spigelia." Same donor. 



5023. Adulterated Spigelia. — The preceding, adulterated with its stems and very 



dirty. 



THE GENTIAN FAMILY (Gentianaceae) 



5024. Gentian. Gentiana. Yellow gentian. — The rootstock and roots of Gentiana 



lutea L. Native of Europe. Presented by Parke, Davis & Company, of 

 New York. 



5025. Pure powdered gentian root. — The preceding in the powdered state. Pre- 



sented by H. H. Rusby. 



5026. The same, adulterated with about 5% of exhausted birch bark. Presented 



by H. H. Rusby. 



5027. False gentian. — The root of G. Kurroo Royle. Native of southern Asia. 



Same donor. 



5028. Frasera. American Columbo. — The root of Frasera caroliniana Walt. 



Native of the southeastern United States. Presented by Peek & Velsor, 

 of New York. 



5029. Another sample of the same. Presented by J. L. Hopkins & Company. 



5030. Buck-bean. Bog-bean. Menyanthes. — The rootstock of Menyanthcs tri- 



foliata L. Native of the north temperate zone. Presented by Parke, 

 Davis & Company, of New York. 



5031. Canadian hemp. Apocynum. — The rootstock and root of Apocynum can- 

 nabinum L. (Apocynaccae — Dogbane Family). Native of North America. 

 Collected by A. A. Tyler at Easton, Pennsylvania, 1898. 



