SYNGEWESIA. SUPERFLUA, 16S 



561. »BRACHYRIS.t 



Calix CA'lindric-ovate, closely imbricate, scales 

 agglutinated. Radial florets about 5; discal 

 florets also 5. Receptacle naked. Fappiis sbort 

 and paleaceous, leaflets 5 to 8, persistent. 



Vegetation almost exactly similar to that of Euthamia 

 temiifolia. 



B. Euthamia. SoUdago Sarothra. Ph. 2. p. 540. 



Obs. Perennial. Stems numerous, marginately angular 

 and scabrous, 6 to 12 inches high, fastigiately branched 

 and corymbose. Leaves proXimate, narrow linear, entire, 

 punctate, and scabrous on the margin; branchlets dicho- 

 tomous. Flowers terminal, often glomerated by Ss, smalJ,. 

 and yellow. Scales of the calix subcarinate, partly acute, 

 with greenish foliaceous points, resinosely glutinous. Rays 

 5, entire, nearly as long as the calix. Discal florets the 

 same number, tubular, 5-toothed. Seed somewhat in- 

 versely conic, pubescent; pappus paleaceous, about the 

 length of the seed, 5 to S-parted. leaflets unequal, lineal* 

 and subacute, Hab. On the arid hills of the Missouri,, 

 from the Arikarees to the Mountains? The whole plant 

 possesses a sti-ong balsamic but disagreeable scent, and 

 is used medicinally by the aborigines, operating power- 

 fully as a diuretic. 



562. DONL\. R. Brown. 



Calix hemispherical, imbricated, squarrose 

 and glutinous. Radial florets numerous, (30 to 

 35, yellow). Receptacle naked, scrobiculate* 

 Pappus setaceous, setse 3 or 4, deciduous, some- 

 what paleaceous. 



Suffi'uticose, or biennial; leaves serrated, resinosely 

 ptmctate; flowers terminal, fastigiate. Seeds obovate, 

 smooth. 



Species. 1. D. sguarrosa. Ph. Obs. Biennial or suf- 

 fruticose. Stem 3 or 4 feet high, erect or spreading, 

 white or purplish; branches fastigiate, few-flowered, ra- 

 muli l-fiowered. Radical leaves spathulate-obovate, ob-- 

 tuse, stem leaves oblong, acute, serrate, amplexicaule, 

 smooth and reticulately veined, glandularly punctate. 



fFrom ^^^Z^i^ short, and »;^y^av, a chaffij scale; the pap- 

 pus being short and paleaceous. 



