Anemone Blanda "blue shades".

Jethro Tull (1664 - 1741), so obviously not the band, invented the seed drill in 1701.  Farmers at that time walked up and down the fields scattering seeds by hand.  Tull thought this method was inefficient and wasteful as many of the seeds did not take root (much like mine today).   

Thanks to Laurie 54 for hosting MM