Those look like Spatterdock to me. I wouldn't put them in.

I'd send andrew davis a PM about Hardy Lilies. He's a member here.

Here's some photos that he took. I don't know if he has all those at his place, but he's an expert on Hardy Lilies.

http://www.flickr.com/photos/21940871@N06/

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).