Cyclamen hederifolium -- excellent dry shade groundcover September to April, but vanishes for much of spring & all of summer.
The best dry shade evergreen groundcover remains English ivy, & if you select a half-dozen miniature-leaf & tiny variegated forms, these can provide a wonderfully varied texture without being invasive like regular ivy.
Variegated Vinca major also does swell in dry shade.
-paghat the ratgirl