Campanula persicifolia alba 
PETTICOAT BELLFLOWER. 
2 feet. Large white handsome bell-shaped flowers on long, 
graceful stems. 
Campanula pyramidalis 
CHIMNEY BELLFLOWER 
4 to 5 feet. Long spikes of blue, star-shaped flowers produced 
throughout the entire summer. Excellent in the background of the 
perennial border where they are very effective. 
Campanula pyramidalis alba 
WHITE CHIMNEY BELLFLOWER 
White form of the above. 
'Campanula rotundifolia 
HAREBELL or BLUEBELLS OF SCOTLAND 
6 to 12 inches. Clear blue, nodding, bell-shaped flowers borne 
on fine, graceful stems. Especially suited to planting in crevices 
in the rock garden or for naturalizing in light woods. Should be 
planted in large groups for best effects. June to August. 
CAMPANULA MEDIUM — CANTERBURY- 
BELLS 
Very effective, large flowered biennials of some¬ 
what pyramidal habit. Extremely showy in mixed 
borders and excellent subjects for pot culture in the 
greenhouse. 
CULTURE. These plants require full sun and a position that 
is protected from high winds if their delicate flowers are to reach 
perfection. A rich, well drained soil is essential for best results. 
If planted in fall they should have a protective covering of straw 
which must be removed early in spring before the plants begin 
to grow. Plant in early fall or early spring 10 to 12 inches apart. 
Campanula medium calycanthema 
CUP-AND-SAUCER BELLFLOWER 
2 to 3 feet. Various colors. Tall erect plants completely cov¬ 
ered with bloom when well grown. One of the loveliest biennials, 
much prized for old-fashioned, hardy gardens. Flowers last well 
when cut. May and June. 
Campanula medium calycanthema, Blue 
BLUE CUP-AND-SAUCER BELLFLOWER 
2 to 3 feet. Blue form of the above. 
Campanula medium calycanthema, Pink 
PINK CUP-AND-SAUCER BELLFLOWER 
2 to 3 feet. Pink form of the above. 
Campanula medium calycanthema, White 
WHITE CUP-AND-SAUCER BELLFLOWER 
2 to 3 feet. White form of the above. 
HARDY BORDER CARNATIONS 
Beautiful strains of hardy pinks, 15 to 20 inches 
in height, which have a marked resemblance to the 
florist's carnation. The sorts listed below are very 
hardy and are excellent for cutting. Perpetual flower¬ 
ing strains have been developed from cross-breeding. 
CULTURE. Any well drained, light soil is satisfactory for 
carnations, provided it contains plenty of humus. Full sun is 
required for best results. Plant in fall or spring 12 inches apart. 
GRENADINE, PINK 
Attractive delicate pink. 
GRENADINE, SCARLET 
Very intense scarlet. 
GRENADINE, WHITE 
A white form of the above. 
CASSIA — WILD SENNA 
An interesting group of herb-like shrubs, attractive 
because of their finely cut foliage and showy flowers. 
The most desirable variety for the hardy garden is 
Marylandica. 
CULTURE. This plant enjoys a sunny position and a rich, 
sandy, somewhat moist soil. Plant in the spring or fall, 12 to 18 
inches apart. 
Cassia marylandica 
WILD SENNA 
3 to 4 feet. Bright yellow flowers atop strong stems during 
July, August and September. 
Wild Senna (CASSIA) 
CENTAUREA — CORNFLOWER 
Hardy perennials of easiest culture and attractive 
appearance. Useful in the perennial border or wild 
garden. 
CULTURE. Any good garden soil in a sunny location will 
produce excellent results. Plant in spring or fall, 8 to 10 inches 
apart. 
Centaurea macrocephala 
GLOBE CENTAUREA 
3 feet. Large thistle-like golden yellow blooms of great value 
for cutting. July and August. 
Centaurea montana 
MOUNTAIN-BLUET 
18 to 24 inches. Large, violet-blue flowers from July to 
September. 
CERASTIUM — SNOW-IN-SUMMER 
Valuable creeping or spreading plants for the 
rockery or for edging beds. 
CULTURE. Of easiest culture in any good garden soil. 
Succeeds best in full sun. Plant 10 to 12 inches apart in spring 
or fall. 
*Cerastium tomentosum 
SNOW-IN-SUMMER 
6 inches. Low, creeping plant with grayish, woolly foliage and 
pure white showy flowers in May. Very attractive in large masses. 
CHEIRANTHUS — WALLFLOWER 
A rock garden treasure, producing flowers in such 
abundance in spring and summer that they often 
exhaust themselves and become practically biennial. 
CULTURE. These plants will not tolerate a wet situation but 
are of the easiest culture when given a good, well drained soil 
in a sunny location. When planted in fall they should have a 
light covering of straw for winter protection. Plant in fall or spring 
6 to 8 inches apart. 
'Cheiranthus allioni 
WALLFLOWER 
6 to 12 inches. Brilliant orange flowers produced in great 
profusion. An exquisite rock garden plant. 
83 
