Thanks, Neil! Aren't they beautiful!!? Here is a pic of the calceolus for those interested.
http://www.rhodoniagara.org/BP...
I grow several types of Cypripediums in my garden. Some are species (none are kentuckiense though) and some are hybrids. They are usually open in mid June so keep watching the Terrestrial Orchid thread (in the Orchids with Special Characteristics forum) at that time!