Tiny flowers

along the path in the woods today.  We had some heavy rain yesterday so this whole area was full of these little flowers.   I looked up to see where they had come from and there was a big bloom overhead and other blooms along the edge of the path.  I have no clue what it might be.  Not a crepe myrtle because this area is completely wild so it is some kind of native tree with white flowers.  Researching.
See the extra for the flower these blooms came from.