(8 4 ) 



1850. Kuri-Moji oil. Distilled from the root of Benzoin sericeum Sieb. & Zucc. 



Native of eastern Asia. 



1851. Horse-radish. (See No. 1526.) Collected at Bronxdale, New York, by 



W. N. Clute. 



1852. Oil of horse-radish. Distilled from the preceding. 



1853. Black, red, or brown mustard. (See No. 1578.) Presented by H. H. Rusby. 



1854. Volatile oil of mustard. Distilled from the preceding after it has been 



macerated in water. This oil is very poisonous and is not to be mistaken 

 for the expressed or fixed oil of the same seed. 



1855. Cochlearia, or scurvy grass. The herbage of Cochlearia officinalis L. (Same 



family.) Native of far northern regions. Presented by H. H. Rusby. . 



1856. Oil of Cochlearia. An oil distilled from the preceding. 



1857. Storax, or liquid styrax. The balsamic exudation of Liquidambar orientalis 



Mill. {Hamamelidaceae — Witch-hazel Family.) Native of Syria. 



1858. Oil of storax. Distilled from the preceding. 



1859. Cherry-laurel leaves. (See No 5424.) 



i860. Oil of cherry laurel. Distilled from the preceding, after maceration in 

 water. 



1861. Cherry-laurel fruits. The fruits of the same tree. 



1862. Bitter almonds. (See No. 1532.) 



1863. Oil of bitter almonds. Distilled from the preceding after maceration. 



1864. Benzaldehyde. Artificial oil of bitter almonds. 



1865. Oil of rose. Attar of rose. Distilled from the fresh flowers of Rosa 



damascena Mill. (Rosaceae — Rose Family). Native of Persia and culti- 

 vated. 



1866. Another sample of the same. Presented by the American Perfumery 



Association. 



1867. Oil of Rhodium. 



1868. Crab-apple flowers. A flowering branch of Malus coronaria (L.) Mill. 



{Malaceae — Apple Family). Native of the eastern United States. Col- 

 lected by R. S. Williams in the New York Botanical Garden, May 25, 1919. 



1869. Balsam of Tolu. — A balsam obtained from Toluifera Balsamum L. (Papi- 



lionaceac — Bean Family). Native of northern South America. Presented 

 by Parke, Davis & Company, of Detroit, Michigan. 



1870. Oil of Tolu balsam. Distilled from the preceding. 



1871. Balsam of Peru. — A balsam exuding from the wounded bark of Toluifera 



Pereirae (Royle) Baillon. (Same family.) Native of Central America. 

 Presented by the American Perfumery Association. 



1872. Oil of Peru balsam. Distilled from the preceding. 



1873. Benzyl benzoate. — A constituent of balsam of Peru and other balsams. 



Presented by the American Perfumery Association. 

 1S74. Benzyl acetate. A compound of benzyl, from balsam of Peru and other 

 balsams. Same donor. 



1875. Cumarin. (See No. 1545 et seq.) Same donor. 



1876. Copaiba, or balsam of Copaiba. — An oleo-resin obtained from cavities in 



the trunk of various South American species of Copaiba. (Same family.) 



1877. Oil of Copaiba. Distilled from the preceding. 



