(2 3 6) 



5249. Black alder bark. Prinos. Common winterbeny. — The bark of Ilex 



verticillata (L.) A. Gray. {Ilicaceae — Holly Family). Native of eastern 

 North America. Collected by P. Wilson in Bedford Park, New York, 

 June 26, 1889. 



5250. Wahoo root bark. Euonymus. — The bark of the root of Euonymus 



atropurpurea Jacq. (Celastraceae^-Staff-tree Family). Native of the 

 eastern and central United States. Presented by Parke, Davis & Company, 

 of New York. 



5251. Wahoo stem bark. — The bark of the stem of the same plant. Same donor. 

 52^2. Frlse climbing bittersweet. Celastrus. — The bark of Celastrus scandens L. 



(Same family). Native of eastern and central North America. Presented 

 by Parke, Davis & Company. 



5253. Horsechestnut bark. Aesculus. — The bark of Aesculus Hippocastanum L. 



{Hippocastanaceae — Horsechestnut Family). Native of Asia and widely 

 cultivated for ornament. Collected by H. H. Rusby at Franklin, New 

 Jersey. 



5254. Ybira bark. Soapberry bark. — The bark of Sapindus divaricatus Willd. 



{Sapindaceae — Soapberry Family). Native of tropical South America. 

 From Paraguay, through the Field Museum of Natural History. 



5255. Curupicay. — The bark of S. acuperium. Same source and donor. 



5256. Cascara sagrada. — The bark of Rhamnus Purshiana DC. on a section of the 



trunk. {Rhamnaceae — Buckthorn Family). Native of western North 

 America. Presented by the Oregon Commission at the Pan-American 

 Exposition at Buffalo, New York, 1901. 



5257. A commercial sample of the same bark. Presented by Parke, Davis & 



Company, of New York. 



5258. A large quill of the same. Presented by P. E. Anderson & Company, of 



New York. 



5259. The same in a powdered state. From the New York drug market. Pre- 



sented by H. H. Rusby. 



5260. False Cascara sagrada. California coffee-tree. — The bark of R. californica 



Esch. Native of the Pacific Coast region of North America. Collected 

 by H. H. Rusby at Felton, California, August 14, 1909. 



5261. Another sample of the same. Collected by H. H. Rusby at Monrovia, 



California, August 22, 1909. 



5262. Buckthorn bark. Frangula. — The bark of Rhamnus Frangula L. Native 



of Europe and Asia, and naturalized in the eastern United States. Pre- 

 sented by Parke, Davis & Company, of New York. 



5263. New Jersey tea bark. Red-root bark. — The bark of the root of Ceanothus 



americanus L. (See No. 221 1). Collected by Clute and Wilson in Bedford 

 Park, New York, June 30, 1899. 



5264. American basswood, or linden, bark. Cortex Tiliae. — The bark of Tilia 



americana L. {Tiliaceae — Basswood Family). Native of eastern and 

 central North America. Collected by P. Wilson in Bedford Park, New 

 York, June 21, 1899. 



5265. Cotton-root bark.— The bark of Gossypium punctatum. (See No. 19). Pre- 



sented by Parke, Davis & Company. 



5266. Another sample of the same. Presented by Merck & Company. 



