64 
NAT. ORDER. CAMPANULACE^. 
Campanula trachelium. Great Throat- wort or Nettle-leared 
Campanula. This species has a perennial root ; the ^tems grow 
from two to three feet in height, upright, stiff, hairy, angular, the 
angels membranaceous, putting out a few short side-branches ; the 
leaves resembling those of the great nettle, but rather shorter and 
broader, alternate, ovate, cordate, pointed, hairy, deeply toothed, 
some times having two or three lobes ; petioled, except the upper 
ones, which are sessile ; the peduncles are alternate, axillary, trifid, 
and three-flowered. The number of flowers, however, varies from 
one to two and sometimes three and four, and even five ; they are 
large and nodding. It is a native of the United States, but is found 
all over Europe. It produces its flowers in July and August. There 
are also varieties, with single and double blue flowers, with single 
and double white flowers, and with single and double pale purple 
flowers. 
Camjianula grandijiora. Great-flowered Bell-flovi'er. In this 
species the whole plant is very smooth ; the root is perennial, white, 
fusiform, the thickness of a finger, and branched ; the stems are few, 
erect, or ascending, simple, round, about a foot high, leafy all over, an- 
nual, terminated with one handsome flower, but without scent, nodding 
a little, with sometimes one or two flowers more from the upper axillas ; 
the leaves are irregularly scattered, sessile or on very short petioles, 
ovate, or subcordate, short and sharply serrate ; sometimes a few of 
the leaves, and at others all of them are in threes ; the corolla is 
two inches in diameter or more, very deep blue, with numerous blue 
veins ; elegantly pear-shaped before expanding, and at first green. 
It flowers in June and beginning of July, and is a native of Siberia. 
Campanula medium. Canterbury Bells. This plant has a bien- 
nial root ; the leaves are oblong, rough, hairy, serrate, coming out 
without order from the root narrowing into a petiole. From the 
centre of these the second season, arises a stiff, hairy, furrowed stalk 
about two feet high, sending out several lateral branches, with long, 
narrow, hairy, serrate, sessile leaves, placed alternately ; from the 
