We have a fair number of these in the garden. They are just beginning to flower. Well they were before the snow! H. x ballardii H foetidus H. thibetana H. hybrids of various forms. Double forms http://img.photobucket.com/albums/v172/Berghill/Hellebores/snowday002.jpg[/IMG I cannot find a picture of H. argutifolius, but the flowers are like H. foetidus only pure green. Nor can I find one of H. purpurescens. I think one of the deeper purple ones above may be it.
Gosh Eric you have a fair few varieties there!! Isn't it great to see something flowering in the garden at this time of year despite the weather?!! :-D
Gorgeous hellebores, Palustris. I'm drooling now. We've got the H. atrorubens, and also the H. purpurescens in our yard, along with the H. foetidus and the H. argutifolius and a few hybrids. What I like about them is the winter green foliage and the fact that they bloom for a long time. The size is handy in any border, bar the argutifolius. Our earliest have just started. It will be some weeks still before we've got them all out.