The Wind Held Its Breath...

 I think this is some kind of Vervain, maybe Slender Vervain. I've been trying to photograph it for the past few days, but it is so delicate that if there is a whisper of wind, the camera can't focus on it very well. Finally, today, I managed to catch it in a moment of stillness---the wind held its breath just long enough for me to snap a few shots...