Really, all ya need to do is place the basal cuttings on the media surface... and wait a few weeks. No special treatment required (except for P. gypsicola).

This morning I plucked a bunch of P. gypsicola basal leaves, and placed them in a variety of places, under differing conditions, in the hopes that (I don't kill the momma plant) something will sprout. My last attempt was total failure.