jumby-bead

from The Century Dictionary.

• noun In the West Indies, a seed of the bead-, necklace-, or jumby-tree, Ormosia monosperma. These seeds are nearly globular, half an inch in diameter, very hard, and in color a brilliant scarlet with a large black spot. They are the largest of the various kinds of coral beans often brought by travelers from the West Indies.
• noun Same as jumble-bead.