“花罗”, or Hualuo, in its integrity, is a term for floral-patterned (花) silk gauze (“罗”), which has a long history in China. The techniques in the production of this fabric reached its peak in Tang and Song dynasties. See: https://www.chinasilkmuseum.com/yz/info_98.aspx?itemid=26694 also https://baike.baidu.com/item/宋代花罗/10390140

Back to the text here. The structure is "牡丹纹花罗 + 纹样图". I think a proper translation should be:

Pattern diagram of a peony-patterned Hualuo, Southern Song dynasty, unearthed from the tomb of Lady Huang Sheng