A. Uva-ursi: shrub; leaves evergreen, obovate, entire, shining; flowers ovate, rosy, in short drooping terminal racemes; berries bright red. - Mountain heaths. Fl. May.

A. alpina: shrub; leaves withering, rugged, serrated; flowers ovate, white, in terminal drooping clusters or racemes, berries black. - Mountain heaths. Fl. May.