THE ORNAMENTAL PLANTS — PERENNIALS 267 
changing to pink; pendent; tubular; not showy, but beautiful. 
Rich soil. Partial shade. 
Tree Peony, Peonia Moutan. (See May, Peonia.) 
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 
Ajuga reptans. 6in. May-June. Spikes of purple flowers. Grows 
well in shady places; spreading. A good cover plant. 
Madwort, Alyssum saxatile var. compactum. 1ft. May-June. Flow- 
ers fragrant, in clusters, clear golden-yellow. Foliage silvery. 
Well-drained soil. One of the best yellow flowers. 
Columbine, Agquilegia glandulosa and others (Fig. 253). 1 ft. 
May-June. Deep blue sepals; white petals. Aquilegias are old 
favorites. (See June.) The wild A. Canadensis * is desirable. 
Lily-of-the-Valley, Convallaria majalis.* 8in. May-June. Racemes 
of small white bells; fragrant. Well known. Partial shade. (See 
page 381.) 
Fumitory, Corydalis nobilis. 1ft. May-June. Large clusters of fine 
yellow flowers. Bushy, upright habit. Does well in partial shade. 
Bleeding-Heart, Dicentra spectabilis. 2}{t. May-June. Well known. 
Racemes of heart-shaped, deep pink and white flowers. Will bear 
partial shade. 
Crested Iris, Iris cristata.* 6 in. May-June. Flowers blue, fringed 
with yellow. Leaves sword-shaped. ° 
German Iris, J. Germanica. 12-15 in. May-June. Numerous varie- 
ties and colors. Large flowers, 3-4 on a stem. Broad, glaucous, 
sword-shaped leaves. 
Peony, Peonia officinalis. 2ft. May-June. This is the well-known 
herbaceous peony. There are numerous varieties and hybrids. 
