The collection is called Greenfield Hill.
According to her website, the fabric line is:
Inspired by Ladies' League luncheons and Preservation Society socials, Greenfield Hill evokes afternoon teas, polite gossip, the faded wallpaper in Mrs. So-and-so's drawing room, the slightly musty library on the green, and motoring on a perfect, crisp and sunny day.
It will be available in three colorways:
Scheduled to be available in November in both cotton and voile.