C. pusilla and its varieties form charming creeping tufts. In 
August a mass of pale hanging bells on spikes appear. 
Ceratos- Ceratostigma plumb aginoides, formerly called Plumbago 
tigma larpentae, is late to appear in the spring so do not root it out. 
plumbagino- By September the mass of dazzling azure-blue flowers, 10 inches 
ides high, have appeared and remain in beauty till frost. 
Dianthus Dianthus all are robust and hardy lovers of the sun. (I) 
D. are nanus, with a deeply fringed, fragrant white flower, 
spring up in June from a tuft of glaucus foliage. 
D. caesius grandiflora is a compact cushion of glaucus grass 
from which appear in May, lovely pink flowers singly on a stem. 
Foliage and flower shades vary ; height four to six inches. 
D. deltoides is a vigorous grower, forming a deep green mat 
with pink or white flowers. D. Prichardii suggests the above 
bu.t is very compact and dwarf. 
D. neglectus, with tufts of grass-like foliage, is a blaze, of 
glory in May. The flowers are round, salmon-pink, with a buff 
reverse to the petals. (II) 
Draba Drdba aizoides has small rosettes with clusters of yellow 
Aizoides flowers, two inches high in April. (II) 
Erodium Erodium is a race of importance in the rock garden and 
related to the Geranium. 
E. cheilanthi folium has finely cut green leaves and flowers in 
heads of five to seven with a deep blotch on the upper petals. 
Very attractive. 
Geranium Geranium argenteum is a perfect jewel of a plant with clear 
argenteum pale pink flowers three inches high and silvery grey-green leaves. 
Gypsophila Gypsophila cerastioides is a dwarf, hairy variety with its 
cerastioides leaves forming neat tufts. White flowers, veined pink, cover the 
plant in April. 
G. rep ens, of glaucus, foliage, forms mounds, or if in a wall, 
long curtains with airy sprays of small dainty pink or white 
flowers blooming throughout the summer. (I) 
Helianthe- Helianthemum, called "Rockrose," comes in many colors, 
mum single and double. An excellent plant for a hot dry situation in 
poor soil. Foliage a low mass, some deep green, others very 
grey. (I) 
Hutchinsia Hutehinsia alpina is a low mat of leaves, in May covered with 
alpina spikes of white flowers two inches high. 
Hypericum Hypericum reptans, a prostrate sheet of dainty green leaves 
reptans in long sprays, forming a dense carpet. Flowers like double 
Buttercups, over one inch across. 
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