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5165. Sassafras stem bark.—The bark of the trunk of the same species. Collected 
by P. Wilson in the New York Botanical Garden, 1899. 
5166. Spice-bush, or fever-bush, bark. Wild allspice—The bark of Benzoin 
aestivale (L.) Nees. Native of eastern and central North America. Col- 
lected by A. A. Tyler at Easton, Pennsylvania, August 15, 1898. 
5167. Witch-hazel bark. Spotted alder. Snapping hazel_—The bark of Hamame- 
lis virginiana L. (Hamamelidaceae—Witch-hazel Family). Native of 
eastern and central North America. Collected by P. Wilson in Bedford 
Park, New York, June 26, 1899. 
5168. Blackberry root bark. Cortex rubi.—The bark of the root of various 
species of blackberry (Rubus) of the family Rosaceae. Native of Europe 
and North America. A commercial sample, presented by Parke, Davis & 
Company, of New York. 
5169. Soap-bark. Quillaia. (See No. 2597.) Presented by Parke, Davis & 
Company, of New York. } 
5170-5173. Four additional samples of the preceding. Presented by the Museum 
of the British Pharmaceutical Association. 
4174. Tollon bark. California holly or Christmas berry.—The bark of Heteromeles 
arbutifolia (Poir.) Roem. (Malaceae—Apple Family). Native of the 
Pacific Coast region of the United States. From the New York College of 
Pharmacy. 
5175. Sorbus bark. Mountain ash bark.—The bark of Sorbus Aucuparia L. 
(Same family). Native of Europe and western Asia and cultivated for 
ornament. 
5176. Wild cherry bark. (See No. 3658.) Presented by Parke, Davis & Company, 
of New York. 
5177. Another sample of the same, deprived of its corky layer, and of good quality. 
Presented by H. H. Rusby. 
5178. Another sample, of excessive age and thickness and not deprived of its 
corky layer. Same donor. 
5179. Choke cherry bark.—The bark of Padus nana. (See No. 3654.) Col- 
lected by H. H. Rusby at Marlboro, New Hampshire, September, 1919. 
5180. Western choke cherry. The bark of Padus demissa. (See No. 3656.) 
Presented by Parke, Davis & Company, of New York. 
THE MIMOSA FAMILY (Mimosaceae) 
Unless otherwise stated, Nos. 5181-5211 are barks from Paraguay, pre- 
sented by the Field Museum of Natural History, of Chicago. 
5181. Curupay ata.—The bark of Piptadenia Cebil Griseb. Native of tropical 
South America. 
5182. Curupay curuii—The bark of P. rigida Benth. 
5183. Curupay ete bark.—The bark of P. communis Benth. 
5184. Curupay na.—The bark of Acacia Angico Mart. 
5185. Espinella negra.—The bark of 4. laoense Hook. 
5186. Curupay mi.—The bark of a species of Stryphnodendron. 
5187. Gogo bark. Sea bean bark.—The bark of Entada scandens (L.) Benth. 
Native of tropical regions. From the Philippine Islands. Presented by 
Otto Isenstein & Company, of New York City. 
