>Oops, my bad. I meant asymbiotic embryo rescue. Tiny little embryos in test tubes kind of thing. I've never checked to see if it's been done in iris but I know it has been used extensively in lily hybridization. There are two or three, or maybe more, growers germinating oncocyclus and regelia irises in an agar solution. It may be a better way to germinate the seeds, as opposed to the typical forced germination methods, especially when the endosperm has been damaged or has deteriorated, but the embryo is still healthy. Bob Nold Denver, Colorado, USA