This is another one of the lovely historic patterns ~1890 which Vicki Monthei has been updating and making available on Ravelry.
Stitch pattern repeat is 11 stitches by 8 rows (selvedge omitted). Source & details: https://www.ravelry.com/patterns/library/weldons-tansy-pattern
Shown with a cast-on count of 22 stitches.