CHOICE PLANTS FOR ROCK GARDENS 115 
clavenne has a dense coating of silky white hairs over 
leaves and stems. A. compacta is still another white 
plant, while A. griesbachii has glaucous, or grey-green 
leaves against which the white flower-heads show up to 
pleasing advantage A. moschata has green fragrant 
foliage, and A. herb-rota is another sweetly perfumed 
plant. A. tomentosa has close heads of bright yellow 
flowers, and is one of the showiest of plants during summer 
and early autumn. Other dwarf Achilleas are catalogued 
by most hardy plant specialists, but for small gardens 
two or three kinds will be sufficient, there being close 
similarity between several. Propagation by cuttings is 
easily effected in spring, the cuttings being inserted round 
the edge of a pot full of very sandy compost. As with 
most, plants with silvery or downy foliage, a dry sunny 
position suits Achilleas best, but the green-leaved kinds 
will thrive in shady places. 
ACTINELLA.—The Rocky Mountain sunflower grows about 
6 to g inches high, the stems branching freely and bearing 
yellow blossoms with great freedom. A. grandiflora has 
quite large flowers, 3 inches or so across, while A. odorata 
is sweetly fragrant. Another Actinella named scaposa 
has silvery foliage. Division of roots in spring is a simple 
means of propagation. 
Apvonis.—We have many yellow flowers, but there is 
a chastity and elegance as well as richness in the colour 
of Adonis, the finely-cut foliage and the ‘“‘ cupped ”’ blos- 
soms of either A. vernalis or A. amurensis making a display 
in the early days of spring that never fails to win admira- 
tion. A. amurensis has a double-tlowered form, and it 
