Small bundle of twigs bearing straggly petioles, one or two remnants of leaves, provenance unknown, 1830-1930 Small bundle of twigs bearing straggly petioles 1830-1930
Two twigs, which have the remains of cocoons attached to them, used by Pasteur in his investigation into the diseases of silkworms Two twigs
2 twigs with bark in envelope, presented by Field Museum of Chicago, probably from Afghanistan 1900-1930 2 twigs with bark in envelope 1900-1930