ARNICA

(from arnakis, lambskin; in reference to the texture of the leaves). O RD. Compos itæ. Hardy, dwarf, herbaceous perennials, allied to Senecio. They thrive best in loam, peat, and sand; the plants are best divided in spring. Seeds should be procured when po ible, and sown in a cold frame, in spring. The only species worth growing are described below.