Bugle
 

Ajuga reptans
A low 6-8" plant with a square stem and creeping runners. The stalked lower leaves are spoon-shaped, the upper are sessile, ovate and sparsely blunt-toothed. The leaves are often bronze-colored or purplish. The 1/2" blue flowers are in whorls of 5 or so in a terminal spike. The upper lip of the corolla is short; the lower has 3 lobes, the middle wider than the others. Blooms May, June in fields, roadsides, waste places.