156 BRECK’S NEW BOOK OF FLOWERS. 
C. suavéolens.—Yellow Sweet Sultan—A handsome 
annual from the Levant, one and one-half foot high, with 
lively rich yellow flowers; from July to September. Time 
of sowing and culture, the same as the others. C. Cen- 
taurium, Montana, splendens, and others, are among the 
most ornamental of the perennials. The genus is a very 
extensive one, embracing more than one hundred species, 
including many thistle-like, weedy-looking plants. 
CENTRANTHUS. 
(From Greek words, signifying a spur and a flower, in allusion to the shape 
of the corolla.) 
This genus comprises several handsome border annuals, 
with flowers arranged in corymbs, which are either red, 
rose, or white. Centranthus macrosiphon has varieties 
with all these colors, about one foot high. There are 
also dwarf varieties of the same colors, 
CHEIRANTHUS,—Watu Frower. 
{So called from the Arabic name of a plant with red, sweet-scented flowers.] 
Cheirdnthus Cheiri.— Wall Flower.—This is a well- 
known plant, which, were it perfectly hardy, would be 
more highly esteemed. It is a native of Britain, where it 
is hardy; here it is half-hardy, and must be preserved 
through the winter in the green-house or in a frame. 
Sometimes it can be kept through our winters in favor- 
able situations with some protection. It grows one and 
one-half foot high, with various colored flowers in its dif: 
ferent varieties. Yellow and orange predominate, but these 
colors are more or less shaded with rich brownish-red or 
violet. There are also varieties of all these colors with 
