See also these informative publications:
https://aces.nmsu.edu/pubs/research/horticulture/CTF5/welcome.html
https://extension.colostate.edu/topic-areas/yard-garden/saving-seed-7-602/
He did have a great season, and he generously shared some with me! He said he would bring me a few pods, and boy did he deliver. It's like Christmas in October. These four trays will keep me busy for quite a while. Thanks Mike!