Venus's Looking Glass
A purple spike.

Brown Eyed Susan 
A garden favorite.

Hop Clover

Deptford Pink
Very small magenta flowers with tiny white spots on the petals.

Milkweed. Often covered with butterflies.

Wild Rose.  There are about 20 species of wild rose, and I don't know the exact species this one is.

St. John's Wort.  Used as an antidepressent for centuries.

"Meadowsweet" or Spirea.  A small shrub often planted around the yard. Very common in wild meadows up in Vermont.

Birdsfoot Trefoil.  Probably planted by Iroquois after the pipeline when in.

Japanese Honeysuckle