Looks like Patons Lace. Circular yoke above raglan decreases with short rows to keep the front down. Total of 22 repeats, or 308 sts at the start of the yoke. Alternatively, 352 sts and skip to round 3.
Shown with a cast-on count of 14 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats