private void setColor(int it, long c) {
if (it < 0) return;
taxa.setAssociatedLong(colorNameRef, it, c);
table.redrawCell(-1, it);
}
private void removeColor(int it, boolean notify) {
setColor(it, MesquiteLong.unassigned);
if (notify) table.redrawCell(-1, it);
}