'Olive branches' in the Bible

So they circulated a proclamation throughout their towns and in Jerusalem. It said, "Go out to the hill country and bring back olive branches, wild olive branches, myrtle branches, palm branches, and branches of mature trees, in order to set up tents, as has been written."

I also asked him a second question: "What are these two olive branches on either side of the two golden feeder channels that carry the golden oil to the seven lights?"