@margsy,
I think firlot is the measure but millet is the grain, copied from learned
dictionary
Firlot a measure of corn; fourth part of a boll [6 Imperial bushels]; a great quantity.
millet - any of various small-grained annual cereal and forage grasses of the genera Panicum, Echinochloa, Setaria, Sorghum, and Eleusine