Reichardi, a minute stemless plant, has small heart-shaped leaves in rosette-like tufts, and white flowers striped with pink, produced successively.
Beautiful dwarf spring-blooming rock plants, forming carpety tufts of flowers of simple cruciferous form.
C. alpinus, 6 in., grows in dense tufts, and bears sulphur-yellow flowers in May.
These hairs often occur in tufts, and are so colored and arranged that they were long taken for Fungi and placed in the genus Erineum.