For lounging around, I like the "Two Rivers" dress. Also made from 100% cotton with cotton lining; $118.
Finally, for nights out, my pick is the "Musing Moon" dress (pictured left). I love the lines of polka dots, the flower on the sash, and flowing skirt -- and, most of all, the yellow-orange underneath the sheer grey. 100% cotton with cotton lining; $188.