SYNOBNESIA. SUPERFLUA. 145 



ed. The whole plant highly aromatic, but with the scent 

 and bittierness, pecuhar to this g-enus. Florets 5 or 6 in 

 each cahx, all hermaphrodite. Style bifid, short, stigmas 

 fringed at the summit and channelled on the inner side, 

 characters common to several other species which possess 

 the naked feminine flowers. 



4. * Gnaphalodes. Canescently tomentose; stem simple 

 and herbaceous: leaves linear-lanceolate, nearly entire, on 

 either side tomentose; flowers conglomerate, pedicellate, 

 nutant, and racemose; calix oval-oblong; feminine florets 

 6 to 7. Hab. On dry savannahs about Green Bay, Lake Mi- 

 chigan, and on the banks of Fox river, and the Missouri. 

 Flowering in September. .^.intcgrifoUa^ Vvi. Obs. Peren- 

 nial. Stems 1 to 2 feet high. Florets brown. Odor and 

 taste similar to that of A. Msinthium. 



5. * liuloviciana. Stem simple and herbaceous; lower 

 leaves 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. — Hab. On the banks of the Missisipp,, near St. Lou- 

 is; also on the alluvial plains of the Missouri. Obs. 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 herbaceous and much 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; flo\A r^rs 

 pedicellate, subglobose, inclined; calix scariose. — Hab. 

 In Louisiana. Abundant in the shrubby savannahs 

 around St. Louis, and on the banks of the Missisippi and 

 Missouri. A.nutans. T.N. in Fras. Catal. A. J)racuncv.h(s. 

 Ph. 2. p. 521. A. dracwmdmdes. P. in Suppl. 2. p. 742. 

 Oas. Stem ereci, exceedingly branched and sm.>oth, 

 6 to 8 feet high, sometimes apparently suflTruticose; 

 branches slender and nodding. Radical leaves cu- 

 neate, short and trifid, succeeding ones twice trifid or 

 more compound; upper leaves like those of .4. Dracuncu- 

 lus, but neither aromatic nor agreeably scented. It ap- 

 pears to be very nearly related to A- nutans of the Don. — 

 7- chinensis. North-West-coast. 



§11. Leaves compound; stem paniculate. 



8. Sontonica? Ph. 9. sericea. Willd. Gmel. Sib. p. 

 13L t. 64. f 1. A.frigida. Ph. 2. p. 521. Obs. Stems low, 

 many from the same root, diff'use, when flowering ad- 

 scendent, erect, and somewhat branched, racemose, about 

 a fo(>i high: flowers large and hemispherical, somewhat 

 nodding. Leaves pseudopinnate, covered with a silky 



