(82) 



1802. Sweet-birch bark.— The bark of Betula lenta L. (Betulaceae— Birch Family). 



Native of eastern North America. Collected at Carnot, Pennsylvania, 

 by J. A. Shafer, March, 1904. 



1803. Oil of birch.— Distilled from the preceding. Also called oil of wintergreen 



and sold for it, with which it is identical in properties, and almost identical 

 in composition. 



1804. Birch buds. — The buds of Betula lenta L., or sweet birch. Presented by the 



American Perfumery Association. 



1805. Oil of birch buds. Distilled from the preceding. Same donor. 



1806. Methyl salicylate. Artificial oil of birch. Same donor. 



1807. Methyl benzoate. Another compound of methyl. Same donor. 



1808. Bayberry leaves. Wax-myrtle leaves. — The leaves of Myrica carolinensis 



Mill. Native of eastern North America. Collected at Nutley, New 

 Jersey, July 3, 1919, by H. H. Rusby. 



1809. Sweet-fern leaves. The leaves of Comptonia peregrina (L.) Coulter. (Same 



family.) Native of eastern North America. 



18 10. Hops, Lupulus, or Humulus. — The fruits of Humulus Lupulus L. (Moraceae 



— Mulberry Family). Native of Europe and Asia and cultivated in tem- 

 perate and subtropical regions. From the New York drug market. Pre- 

 sented by H. H. Rusby. 



1811. Oil of hops. Distilled from the preceding. 



1812. Sandal-wood. White sandal-wood. — The heart-wood of Santalum album 



L. (Santalaceas^- Sandal-wood family). Native of the East Indies and 

 cultivated. Presented by Sharp and Dohme, of Baltimore, Maryland. 



1813. Oil of sandal-wood. Oleum Santali. Distilled from the preceding. Same 



donor. 

 3814. Another sample of the same. 



1815. Santalol. — The active constituent of oil of sandal-wood. Presented by the 



American Perfumery Association. 



18 16. West Indian spurious sandal-wood. — The wood of Amyris balsamifera L. 



[Rutaceae — Rue family). Native of the West Indies and northeastern 

 South America. From the New York drug market. Presented by H. H. 

 Rusby. 



1817. Another sample of the preceding. Presented by C. H. Pearson, of New York 



City. 

 -1818. Another sample. Presented by H. H. Rusby. 

 J819. West Indian oil of sandal-wood.' — A spurious variety, distilled from the 



wood of Ximenia americana L. (Olacaceae — Olax Family). Native of 



the West Indies. 

 1S20. Wild ginger, or Canada snakeroot. — The rootstock and roots of Asarum 



canadense L. (Aristolochiaceae — Snakeroot Family). Native of eastern 



North America. Collected by P. Wilson. (See Herb.) 

 1821. Oil of wild ginger. Distilled from the preceding, 

 j 822. American wormseed herb. Chenopodium herb. — The herbage of Cheno- 



f odium anthelminticum L. {Chenopodxaceae — Goosefoot Family). Native 



of Europe and naturalized in the United States. Presented by Merck & 



Company, of New York. 

 1823. American wormseed. The fruits of the preceding. 



