The stems are covered in fine, white hairs, which is where it gets the name 'hoary'. 'Skullcap' refers to the skull-shaped calyx of the flower. The flowers had already fallen off the plant, so I'm guessing that these purple things are the calyxes?
Habitat: Rural, native garden
''Scutellaria incana'', the hoary skullcap or downy skullcap, is a flowering plant in the family Lamiaceae and is native to North America. It is a perennial and is primarily found in the eastern United States as well as some parts of the Midwest.