Dryoptera ferns, smaller less invasive periwinkles, the white form looks good in shade, Japanese anemones, foxgloves, alchemilla mollis, aquilegia, brunnera, cyclamen hederifolium, euphorbias, If there's a wall then winter flowering jasmine is excellent, heucheras are very tolerant of dry shade, asters are pretty good, especially the species ones, bergenias, epimediums, hardy geraniums are good, some forms more than others but my memory at this time of night isn't good! The ones with smaller pink flowers. Nodosum, that's it. There's a very good lamium, a white-leaved form. Tellima - not particularly striking but there is a cultivar of the grandiflora that is good, forest frost.