Mystery Tree in Bloom

I don't know what these are, but there they were--blowing around in the wind this noon. So I took some pictures of them.

[Dawn]

Wow! Nice shot. These are very cool! I've never seen anything like it.

[Brenda T. Schwartz]

HAHA! I love your title. I was wondering what that bloom was just as I scrolled down and saw the title. Let me know what it is when you find out!