150 BRECK’S NEW BOOK OF FLOWERS. 
removed to their final destination, in September or Octo- 
ber; and the year following, being the third year from 
sowing, they will flower. 
Seedling plants, in our climate, will flower the second 
year generally, some not until the third. A slight protec- 
tion is necessary during winter. Under our fervid sun, 
there will be no difficulty in ripening seeds. 
C. nébilis—This is a handsome, low growing peren- 
nial, with creeping roots, with very large drooping bell- 
shaped flowers; one variety a purplish brown, the other 
white. 
C. Trachélium.—Great Throatwort.—It is a native of 
Europe. It has purple or white flowers, blooming in June 
and July. A handsome perennial, three to four feet high. 
The name of Throatwort was given to these plants, from 
a notion that they would cure inflammation and swelling 
of the throat. Increased by dividing the roots, or from 
seed. It prefers a loamy soil. The Giant Throatwort is 
a native of England, is mentioned by Sir Walter Scott in 
the poem of Rokeby: 
“he laid him down, 
Where purple heath profusely strown 
And Throatwort with its azure bell, 
And moss, and thyme, his cushion swell.” 
Cc. Garganica.— A beautiful perennial alpine plant, 
with delicate, star-shaped, blue flowers, with distinct 
white throat ; indispensable for basket or rock-work. 
C. aggregata.—Has pale-blue flowers, in a crowded 
head. C. grandis, C. latifolia speciosa, glomerata, and 
many others, are fine border-flowers, growing from one 
to four feet high. There is also a class of dwarf species, 
growing from three inches to one foot in height, very ap- 
propriate for rock-work, as C. hederacea, alpina, Caucasi- 
ca, Carpatica, pumila, rotundifolia, etc. This genus em- 
