From The Lacy Knitting of Mary Schiffmann* by Nancy Nehring.
I find this pattern interesting in a number of ways: the extra-wide faggoting along the right edge, the leaves that overlap ever so slightly on row 15, and the series of small bind-offs at the left edge rather than the usual large sawtooth bind-off.
*Affiliate link. Buy the book and I get a couple pennies.
Shown with a cast-on count of 19 stitches.