WHAT FLORIDA NATIVE PLANT IS BLOOMING TODAY?: BAY LOBELIA (Lobelia feayana)
Endemic to Florida. More violet than blue.
EXTREMELY tiny, easily overlooked. I found this one just to the side of the currently dry culvert by my driveway.
Native American Ethnobotany for this genus: http://herb.umd.umich.edu/herb/search.pl?searchstring=Lobelia
The following photo better reflects its color.