Hardy Candytuft, Iberis sempervirens. 10 in. April-May. Small white flowers in clusters; profuse. Large, spreading, evergreen tufts.

Alpine Lamp-flower, Lychnis alpina.* 6 in. April-May. Flowers star-like, in showy heads; pink. For border and rockery.

Early Forget-me-not, Myosotis dissitiflora. 6 in. April-June. Small clusters of deep sky-blue flowers. Tufted habit.

Everblooming F., M. palustris var. semperflorens. 10 in. Light blue; spreading habit.

Blue-bells, Mertensia Virginica.* 1 ft. April-May. Flowers blue, changing to pink; pendent; tubular; not showy, but beautiful. Rich soil. Partial shade.

Tree Peony, Pæonia Moutan. (See May, Pæonia.)

Moss Pink, Phlox subulata.* 6 in. April-June. Numerous deep pink, small flowers; creeping habit; evergreen. Suitable for dry places as a covering plant.

Trilliums.* Of several species; always attractive and useful in the border (Fig. 252). They are common in rich woods and copses. Dig the tubers in late summer and plant them directly in the border. The large ones will bloom the following spring. The same may be said of the erythronium, or dog’s-tooth violet or adder’s tongue, and of very many other early wild flowers.

MAY