Semé

Aspersed, Powdered, Gerated, Poudré and Sans Nombre

Semé of trefoils or treflé

A field or charge scattered or sprinkled with any small charge, such as trefoils, crosses, etc. Powdyrdye is the old English term. When sprinkled with fleur-de-lis,  it is then termed semé-de-lis only and when covered over indiscriminately with cross crosslets, it is then called crusilly

See also Aspersed and Treflé.