Well I was able to find one picture of a Clymenia and a few for eremocitrus. Home Citrus Growers out of the UK had both: Clymenia polyandra Eremocitrus glauca Hope that helps. Those sound rare.
The web site that Eric LaFountaine lists above is a great site overall. It has a lot of valuble information, well worth spending an extended times visiting. - Millet