a 
——- 
SYNGENESIA. MQUALIS. 133 
peduncles hirsute, nearly naked, 1 to 5-flowered; flosculi 
about 20 in the same calix, scales smooth, oblong-oval, 
obtuse. Has. From North Carolina to Florida; in open 
swamps, Common. JZ. tomentosa? Mich. Flor. Am. 2. p. 
93. but it by no means accords with his description or 
name.—KRoot perennial, fibrous, fibres thick. Stem about 
2 feet high, terete, more or less hirsute and simple, sum- 
mit somewhat attenuated, corymbiferous. Leaves nearly 
smooth, or somewhat pubescent, cauline about an inch 
long, diminishing upwards. Peduncles partly filiform, 2 
to 3 inches long. Calix large and hemispherical; scales 
smooth, about 3 series, membranaceously marginated. 
Florets pale purple. 
18. dellidifolia. Low and nearly smooth; stems aggrega- 
ted; radical leaves spathulate-lanceolate, obtuse, 3-nerved, 
cauline sublinear; stem paniculately branched, branches 
subfastigiate, 1 to 5-flowered; calix smooth and hemisphe- # 
rical, containing about 20 florets, scales oblong, obtuse, 
the lower ones loose and partly spreading. Has. Abun- 
dant on the sand-hills of Wilmington, North Carolina, &c. 
—Root tubercular, sending out long and thick, simple 
fibres. Stems about 12 inches high, many growing up 
from the same root; branches Commencing about the mid- 
~ dle, sometimes lower, each about a span long, but ofien 
shorter. Scales of the calix F naate ciate Flowers purple. 
s in this and the preceding scarcely appearing plu- 
Hie without being pi plants Sens a lens; seed dis- 
tinctly stipitate at the base. 
A North American genus. The tuberous rooted spe- _ 
cies rank amongst the numerous, real or pretended re- 
medies administered for the bite of the Rattle-snake. To 
the taste and smell the roots appear impregnated with 
turpentine, and the species are for this reason called “Pi- 
nette de Prairie” by the Canadian boatmen. It is also 
probably from the same cause that L. spicata proves diu- 
retic. 
540. VERNONIA, Schreber. 
Calix ovate imbricate. Stigma bifid. Recep- 
tacle naked. Pappus double; exterior short 
and paleaceous, interior capillary. 
Herbaceous or shrubby; leaves simple, frequently sca- 
margin; flowers terminal, 
