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HERBACEOUS GARDEN 
a chalky soil and full sun, will grow in any situation. Propagated 
by division or seed. 
C. heraclecefolia azur. Pale blue flowers 2 feet high. 
C. davidiana. Pale lavender blue flowers in dense heads, 
flower in early autumn, 4 feet high. 
C. integrifolia . Deep blue flowers, 2 to 3 feet, flowering 
June to August. 
C. recta. White, one of the best of the herbaceous species, 
growing 3 feet high and sweetly scented, flower- 
ing June to August. 
C. „ grandiflora. An improvement on the type. 
C. verticillaris. Violet-blue flowers, sweetly scented, very tall. 
COLCHICUM, “Autumn Crocus” or “Meadow Saffron. 55 
(N.O. Liliaceae.) 
Bulbs with flowers like a crocus, but larger. Very useful in 
borders, as they flower in October and November. The large, light- 
green leaves are handsome, appearing in April and dying down 
before the flowers show. Propagate from offsets, or seed sown 
when ripe. Any soil or aspect. 
C. autumnale. Lilac or rosy mauve, 4 inches. 
C. byzantinum. Pale rose, 4 to 6 inches. 
C. speciosum. Giant variety, rosy mauve ; also a rare white 
form. 
COMMELINA CCELESTIS, “Day-flower. 55 
(N.O. Commelinaceae.) 
Pure cobalt-blue in colour, 18 inches to 2 feet, grass-green foliage. 
Well worth growing ; the tuberous roots can be stored like dahlias, 
and the plants will flower from July to September from seed sown 
under glass in March. Any soil or aspect. 
CONVALLARIA, “ Lily of the Valley. 55 (N.O. Liliacese.) 
Hardy perennials with deliciously scented flowers, requiring 
partial shade and moisture. They thoroughly enjoy a wall, and will 
spread right along the foot of a north or north-east wall where but 
little thrives as a rule. Good garden soil suits them, but they like 
a mixture of loam, leaf-mould, sand or grit, and old manure. After 
flowering they should be watered once a week from June to 
September with weak manure water, and if this is done they will 
flourish in rows in full sun. They should be planted in February 
to ensure success, and may be divided after four years if it is wished 
