CLASS IV.—TETRANDRIA. 
A 
Order 1.—MonoGyn1ia. 
§ I, oVARIUM INFERIOR, 
+ Monopetalous. 
129, CEPHALANTAUS. L. (Batton-wood.) 
Common calix 0; proper superior, small and 
angular, 4-cleft. Corolla tubular, slender, 4- 
cleft. Stamina exserted; stigma globose. Cap- 
sule mostly bipartile, (2 to 4,) 2-celled, 2-seed- 
ed; cells semibivalve; exterior valve angular, — 
indurated, interior flat and flexile. Seed soli- 
tary, sheathed at the apex with a suberose cal- 
lus. Receptacle globose, hairy. 
A shrub with entife leaves, which are opposite and ter- 
_ mate; producing flowers in a pedunculate globose capitu- 
dum. Seeds 2 to 4. 
Species. 1. C. occidentalis. From Canada to Florida; 
near stagnant waters. The bark is considered to be a to- 
nic. A variety, or perhaps a distinct species, with pubes- 
cent leaves, is said by Dr. Baldwin, to exist near Ricebo- 
rough in Georgia. = 
Peculiar to North America; but scarcely differing from 
the Wauelea of India and Africa, excepting in the number 
_of its parts, which are 4 in place of 5. mi 
130. DIPSACUS. L. (Teasel.) 
Flowers collected into an ovate or roundish 
=: capitulum.—Common calia many-leaved, folia- 
_ceous. (involucrum): proper superior, of 1 leaf. 
Corolla 4-lobed. Receptacle paleacevus, chaff ri- 
