Sisyrinchium (blue-eyed grass)

..... stem bearing a leaflike bract in the middle of the stem no such bract
white to violet ..... white b.e.g.(2.albidum) prairies, meadows, grassy or sandy pls & open woods: NY to GA
pale green eastern b.e.g. (7atlanticum) fields, meadows, open woods & edges of salt marshes; NS to FL in coastal states .....
pale blue stout b.e.g (8.angustifolium) lower stem distinctly winged; meadows, grassy pls & damp woods; NF to FL .....
violet-blue ..... slender b.e.g. (4.mucronatum) rarely white; meadows, fields, sandy pls & woods; ME to NC
violet (6.fuscatum) sandy areas, mainly near the coast; MA to FL common b.e.g. (5. montanum) stem distinctly winged; bright violet; sandy open ground & meadows; QE to NY, NJ, PA