Answer
We accepted botanical, though some astute readers pointed out that fungi, having their own kingdom, aren’t botanical at all.
More specifically, this is a bird’s nest fungi (also known as splash cup fungi); it’s smaller than a dime. The “eggs” contain spores that are splashed out of the “nest” by raindrops. Attached to the base of each egg is a tiny cord with a sticky base that allows the egg, once in flight, to attach itself to surrounding vegetation.
This week’s contest winner was Richard Aaron of Toronto, Canada