Ken, Zygopetalems have their own alliance so are not related to the Oncidiums, like your Miltassia. To read more, see
http://www.oscov.asn.au/articl... . Nice color on your Gramm.
Elaine, my memory is foggy on the Tropiflora event as I was in a feeding frenzy, but I'm glad I led you to the gaskelliana. It is an old and trusted Catt with many varieties and crosses.
Jim