A sheaf is the emblem of Ruth in the Order of the Eastern Star. More about the OES here.
Also see ear of corn (which might just as well be a ‘sheaf of corn’).
Sheafs of corn are very prominent on this fourth degree (Maitresse Parfait) Adoption tracing board.
Top two: Voss, The Universal Language of Freemasonry (2004). The emblems of the Order of the Eastern Star were most likely designed around the inception of the order in the 1870’ies, maybe by the inceptor of the organisation Rob Morris (1818-1888)
Bottom: unnamed and undated Adoption ritual digitally available from the website of the Bibliotheque Nationale de France (FM4 1323).