- 
CEANOTHUS. 152 CENTAUREA. 
Creano'tuus. — Rhamndacee. — Cepar or Goa.—Cupréssus lu- 
Red root. American hardy and| sitanica, Tou.; C. glauca, Lam. 
half-hardy shrubs, with large spikes 
of very small flowers. ‘The most 
ornamental species of the genus is 
C. aztureus, which is only half- 
hardy in the climate of London, 
requiring protection from severe 
frosts. Ceandthus pallidus is much 
harder than C. azireus, and strong- | 
ly resembles that species; but its 
leaves are not hoary beneath, and 
its flowers, Dr. Lindley tells us in 
the Bot. Reg., “ are smaller, as well 
as much paler.” He adds, that it 
is often confused with C. ovatus, 
which “is a mere variety of C. 
americana,” and C. thyrsifolius, 
which “is 2 Californian tree, with | 
deep blue fiowers, and very strongly 
angular branches.” C. americanus 
is the least ornamental of all the 
kinds ; 
plant, not above two feet high, with 
a profusion of white flowers. ‘The 
last two are quite hardy, but the | 
other kinds should be trained against | 
a south wall, and protected from 
severe frosts by a thatched coping. 
They should all be grown in a com- 
post consisting of three-fourths of 
heath mould, or a mixture of sand 
and peat, with one of loam, and 
the soil should be well drained. 
The best way to effect this, as the 
plants are generally grown in the 
open air, is to dig a pit for each, | 
about two feet deep, and a foot and 
a half or two feet in diameter, and | 
to fill about a third of it with broken 
brickbats, pieces of freestone, and 
pebbles. The compost should be 
put on this, and raised a few inches | 
above the level of the general sur- 
face of the garden to allow for sink- 
ing. 
drainage, and thus prevent the roots 
from being injured by wet; 
wil provide a reservoir of moisture 
which will eqpally’ serve to prevent | 
the roots from ever becoming too dry. 
and C. collinus is a dwarf | 
This plan will not only ensure | 
but the | 
broken bricks and pieces of stone | 
—-A very ornamental half-hardy 
tree, which in a sheltered situation 
hes a beautiful effect on a lawn, from 
its drooping branches and glaucous 
foliage. It requires a light soil, and 
to be occasionally watered, as its 
roots are very apt to wither if suf- 
fered to become too dry. 
Ce.anpine.—- There are two plants 
bearing this name : the common (see 
CueExipo'nium), and the lesser (see 
Fica‘ria). 
Cexo'sta.—- Amaranthacee.--Ten- 
der annuals, with showy flowers. 
The common Cockscomb, C. crista- 
| ta, may be grown to a very large size 
by raising the plants on a hotbed, 
and frequently shifting them into 
longer and larger pots, as directec 
| for the Balsam (see Barsamr'nia). 
Ceua'srrus, L.—Celastrinee.— 
The Staff tree. Half-hardy shrubs, 
|mostly natives of the Cape, with 
white flowers. For culture, see 
| CLEANO’THUS. 
| Ce'tsta.— Solandcee, or Verbas- 
cin@.—Half-hardy annuals and bien- 
nials, with showy yellow flowers, 
and nearly allied to the genus Ver- 
bascum.—T hey are generally raised 
on a hotbed, and the biennials are 
kept in the greenhouse during winter, 
as they are killed by a slight frost. 
|C. linearis, and C. urticefolia, 
which have scarlet flowers, are now 
included in the genus Alonsoa.— 
See ALonso\s. 
| _Centau'rea.—Composite.—The 
common perennial species are known 
by the English name of Knapweed ; 
and the only quite hardy-annual 
one, C. Cyanus, by the name of 
| Corn Bluebottle. The most beauti- 
ful species, C. Crocady/lium, L., is 
a has-hardy annual, which should 
be raised on a hot-bed, and planted 
out in May. OC. benedicta, L., 
*Cnicus benedictus, Dec., the Blessed 
} 
; 
X 
Thistle, is a hardy annual, which . 
may be sown in March or April, and 
