Sassy bark
1851-1930
Specimen of om'whongo tree bark from Angola
1930-1937
Cupea bark in plastic
1899-1900
Pieces of fibrous bark
1871-1950
Specimen of bark
1840-1930
Bark of simaruba tree
1870-1930
Bark of sehtut chin from Burma, 1908
1908
Piece of tawai bark
1851-1930
Specimen of erythrophyllum guinieuse bark
1830-1930
Bark of kaut-ko from Burma, 1909
1909
4 pieces of mangrove bark
1851-1930
Bark, fragment, native medicine
1910-1930
Bark fragments
1910-1930
Specimen of bark of mukwa tree
1930-1937
Two piece of yellow cinchona bark
1860-1915
Specimen of musamba wood from Angola, 1930-1937
1930-1937
Piece of unidentified stem with peeling bark
1851-1930
Bark of saiu-na-baio, from Burma, 1909
1909
Section of bark
1830-1920
Pieces of tubular dried bark
1851-1930
Piece of brown nodule-like bark
1909
Specimen of dried bark
1930-1937
Pieces of bark, provenance unknown, 1850-1930
1850-1930
Piece of folded bark
1910-1930
Specimen of omowa bark with handwritten note
1930-1937
Six pieces of bark
1890-1930
Bark, powder
7 rolled and dried strips of cinchona bark
1880-1920
Bark(?) of sandagu from Burma, 1904
1904
Piece of bark
1908
4 small pieces of bark
1909
Piece of bark
1904
Strips of bark, "kusari begal", Indian, 1851-1930
1851-1930
Piece of bark, from Burma, 1904-1909
1904-1909
Specimen of cinnamon bark from Angola, 1930-1937
1930-1937
Bundle of tree barks
Specimen of bark of Erythrophyllum guiniense
1900-1937
Specimen of dried bark called endombo luvando
1930-1937
Two specimens of saneoephalus esculentis bark used in making arrow poison
1900-1930
2 strips of pinkish bark in brown envelope
1900-1930
Piece of stem with attached bark
1851-1930
Two pieces of thick red bark
1904
Specimen of dried cinnamon bark
1900-1940
Bark (?), granules and powder, from Burma, 1904
1904
Pieces of unidentified bark
1850-1930
9 small pieces of bark of cascara from north-west States of North America
1830-1920
Three sections of mossy bark
1851-1930
Two small pieces of bark
1910-1930
3 pieces of bark
1871-1938