& 
SYNGENESIA. SUPERFLUA. 
ed. The whole plant highly aromatic, but with the 
and bittterness, peculiar to this genus. Florets 
€ach calix, all hermaphrodite. Style bifid, sho’ 
fringed at’ the summit and channelled on the inner side, 
characters common to several other Species which possess 
the naked feminine flowers. : anes 
4, * Gnaphalodes. Canescently tomentose; stem simple 
and herbaceous; leaves linear-lanceolate, nearly entire, on 
cither side tomentose; flowers conglomerate, pedicellate, 
nutant, and*racemose; calix oval-oblong; feminine florets 
6to 7. Has. On dry savannahs about Green Bay, Lake Mi- 
chigan, and on the banks of Fox river, and the Missouri. 
Flowering in September. 1. integrifolia? Pu. Oss. Peren- 
nial. Stems 1 to 2 feet high. Florets brown. Odor and 
taste similar to that of 4. Absinthium. 
5. * ludoviciana. Stem simple and herbaceous; lower 
Jeaves incise, subpinnatifid, the upper lanceolate and en- 
entire, on both sides pubescent, beneath tomentose; flow- 
ers ovate, erect and sessile; calix pubescent, panicle sim- 
ple.—Has. On the banks of the Missisippi, near St. Lou- 
1s; also on the alluvial plams of the Missouri. Oss. Pe- 
rennial. Stem about 2 feet high. Lower stem leaves lan- 
ceolate, irregularly and divaricately laciniate, segments 
entire, oblong-lanceolate and acute. 
6. * cernua. Stem perce: a branched; ra- 
dical leaves trifid, lower ones laciniated, at first canescent- 
ly pubescent, uppermost and ramuline entire, linear-lan- 
ceolate, and smooth; racemes paniculate, nutant; flowers 
pedicellate, subglobose, inclined; calix scariose.—Has. 
tn Louisiana. Abundant in the shrubby savannahs 
around St. Louis, and on the banks of the Missisippi and 
Missouri. A. nutans. T.N. in Frag_Catal. 4. Dracunculus. 
Pa. 2. p. 521. A. dracunculoidés, Pi:in Suppl. 2. p. 742. 
Ozs. Stem erect, exceedingly “branched and_sm oth, 
6 to 8 feet high, sometimes apparently suffruticose; 
branches slender and nodding. Radical leaves cu- 
neate, short and trifid, succeeding ones twice trifid or 
more compound; upper leaves like those of 2. Dracuncu-. 
Jus, but neither aromatic nor agreeably scented. It ap- 
pears to be very nearly related to .2- nutans of the Don.— 
7. chinensis. North-West-coast. 
§ 11. Leaves compound; stem paniculate. 
8. Sontonica? PH. Y. sericea. Willd. Gmel. Sib. p. 
, _A. frigida. Pu. 2. p. 521. Oss. Stems low, 
Many trom the same root, diffuse, when flowering ad- 
scendent, erect, and somewhat branched, racemose, about 
- and hemispherical, somewhat 
ae, 
with a silky 
