5oll. 
5012. 
5013. 
5014. 
5015. 
5016. 
5017. 
5018. 
5019. 
5020. 
5021. 
5022. 
5023. 
5024. 
5025. 
5026. 
5027. 
5028. 
5029. 
5030. 
5031. 
(224 ) 
American Angelica.—The root of Angelica atropurpurea L. Native of the 
eastern United States. Presented by Parke, Davis & Company, of New York. 
American Angelica root—Another sample of the same. Collected near 
Asheville, North Carolina, 1919. Presented by H. H. Rusby. 
European Angelica.—The root of Angelica ArchangelicaL. Native of Europe 
and northern Asia. 
Powdered hemlock. Parsley root. Seng-kin. Conioselinum root.—The 
root of Selinum Benthamit S. Watson, in the powdered state. Native of 
Japan. From the New York drug market. Presented by H. H. Rusby. 
Osha root. Colorado cough-root.—The root of Ligusticum filicinum §, 
Watson. Native of Colorado and the adjacent country. From the New 
York drug market. Presented by H. H. Rusby. 
Gelsemium. Yellow jessamine root.—The rootstock and root of Gelsemium 
sempervirens Ait. (See No. 2792.) Presented by Parke, Davis & Com- 
pany, of New York. 
Spigelia. Pink-root. Worm-grass.—The rootstock and roots of Spigelia 
marylandica L. (Same family). Native of the eastern and central United 
States. Presented by Parke, Davis & Company, of New York. 
Pure powdered Spigelia, or pink-root.—The preceding in the powdered 
state. Presented by H. H. Rusby. 
The same, heavily adulterated with sand. Same donor, 
The same, adulterated with a little Ruellia root. Same donor. 
The same, mostly Ruellia root. Same donor. 
Powdered Ruellia root, sold as “Powdered Spigelia.””» Same donor. 
Adulterated Spigelia.—The preceding, adulterated with its stems and very 
dirty. 
THE GENTIAN FAMILY (Gentianaceae) 
Gentian. Gentiana. Yellow gentian.—The rootstock and roots of Gentiana 
lutea L. Native of Europe. Presented by Parke, Davis & Company, of 
New York. 
Pure powdered gentian root.—The preceding in the powdered state. Pre- 
sented by H. H. Rusby. 
The same, adulterated with about 5% of exhausted birch bark. Presented 
by H. H. Rusby. 
False gentian.—The root of G. Kurroo Royle. Native of southern Asia. 
Same donor. 
Frasera. American Columbo.—The root of Frasera caroliniana’ Walt. 
Native of the southeastern United States. Presented by Peek & Velsor, 
of New York, 
Another sample of the same. Presented by J. L. Hopkins & Company. 
Buck-bean. Bog-bean. Menyanthes.—The rootstock of Menyanthes tri- 
foliata L. Native of the north temperate zone. Presented by Parke, 
Davis & Company, of New York. 
Canadian hemp. Apocynum.—The rootstock and root of Apocynum can- 
nabinum L. (Apocynaceae—Dogbane Family). Native of North America. 
Collected by A. A. Tyler at Easton, Pennsylvania, 1898. 
