From the BBC:
Seeds 200 years old breathe again
By Richard Black
Environment correspondent, BBC News website
Seeds which have been stored away since the time of George III have been persuaded into new life.
They had been brought to Britain from South Africa by a Dutch merchant in 1803, and were found in a notebook stored in the National Archives.
Given this history, the team said it was surprised by their success.
“They’d been in a ship for a year, certainly for months, coming back from the Cape; then they’d been kept in the Tower of London for a number of years.
Only in the last 10 years have they been in controlled conditions.
“So I didn’t expect any of them to germinate,” he told the BBC News website, “and the three that did really are tough seeds.”
The Liparia did particularly well, with 16 out of the 25 seeds progressing into plants.
See also here.
South African Babia ringens plant and malachite sunbird: here.