Brook Farm, though American and Unitarian in its origin, became afterward the chief representative and propagative organ of Fourierism, as we shall ultimately show.

The gemmules possess two sorts of affinity, one of which might be called propagative, and the other germinative affinity.

The propagative act might, it was thought, be performed as impersonally, as perfunctorily, as the early Christian Fathers imagined it had been performed in Paradise.