‘DIDYNAMIA. ANGIOSPERMIA- 47 
“the calix are invariable. Like the preceding it is only an- 
nual, and therefore distinct from the following. 
3. *linifolia. Perennial: stem terete, virgate; branch- 
€s floriferous towards the summit; leaves smooth, linear, 
acute, and subcarnose, longer than the peduncles; calix 
truncate, campanulate; corolla large, orifice pubescent, 
‘and all the lobes ciliated. Has. From Wilmington, North 
Carolina, to Florida. Ozs. Root perennial, creeping. 
Stems 2.or 3 feet high, branches virgate, cylindric. 
“‘Léaves 10 to 13 lines long, scarcely more than 1 wide, 
‘very smooth and. partly carnose but flat and acute, di-. 
minishing in size upwards. Flowers from 3 to 5, pair, 
‘large, campanulate, and'purple, peduncle often more than 
an inch | in the fruit. Calix remarkably truncated, 
et presenting 5 minute and acuté dentures nearly on a 
ine with the margin. 3 
4. tenuifolia. Low and much branched; stem quadran- 
-gular; leaves linear, acute, scabrous; flower funnelform; 
style exserted; flowering peduncles nearly as long as the 
leaves; dentures of the calix acute. Has. Common in | 
dry and sandy forests from New York to Carolina; per- 
corolla dilated, ap 
the whole genus d¢ 
the lower ones. The corolla of this species is remarka- 
bly wide and shallow. 5. setacea. Leaves setaceous; 
primary peduncle. Has. From North Carolina to Florida, 
- where it was first detected by Dr. Baldwyn. A very re-_ 
--markable and not uncommon species around Wilmington 
in North Gascipe: I have a specimen now before me— 
hich is about 3 feet long, rigidly erect, and sending out 
only 2 pair of branches; in place of leaves we percewe 
oppenlad : 8, which- 
= 
