And, seconds after I posted this, I realized that “on” can mean “of”, as the beards are attached to the vegetables. Foiled once again by techinicalities
"Nomic is a game in which changing the rules is a move. In that respect it differs from almost every other
game. The primary activity of Nomic is proposing changes in the rules, debating the wisdom of changing them
in that way, voting on the changes, deciding what can and cannot be done afterwards, and doing it. Even this
core of the game, of course, can be changed."
Hix:
I spy a typo!