sile os A ae green a sides; “rapt ; 
fastigiate, numerous; calix squarrose, segments linear). *_ 
_ Fays linear, very numerous. Has. In Upper Louisiana, . 
! on the bar ig rivers; pokey to the sources of the. 
a. Missouri. Disk yellow; flowers often nearly double. Ts og 
“te altissimus. 12. strumosus. 13. prostratus. 14. deeapeta-" 
tus. 15. multifiorus. 16. mollis. 17. macrophylius. Scarce- 
_ ly distinct from H. decapetalus. 18. angustifolius. ’ 
A genus of about 30 species exclusively indigenous to. 
North and South Asmat, with the exception of Hf. coch- 
inchinensis and H. indicus of India and Egypt, scarcely « dis- + 
tinct from Hf. annuus. i Oa <4 
We: : 
590. R FECKIA, i ree eas 
Calize subequal, mostly consistin of a double e 
series of leaflets. Receptacte. palea e0us, comic. ney 
:  Pappus a 4-toothed margin. Bee 
oe - Herbaceous; leayes alternate, entire, lobed or pinnatiids 
flowers terminal; disk often dark, rays yellow, rarely 
brown, in 2. purpurea Sees often obtuse. - 
Species. 1. R. p Oxs. Stem nearly smooth: 
Root perpendicular. Rays = iniperféctly styliferous. Seales 
of the receptacle acuminated; calix imbricated, squarrose- 
8. * serating. Stem hispid; root horizontal; flowers ree 
ee fays bidentate. Flowers . Hap. On the plains of ; 
wer Louisiana. 2. amplexifol 
3. levigata? Pu. Obs- 
smooth and lucid; radial $ sath 
= 
es subcoriaccous, very 
6, gracilis: ‘Herb. Banks, mss. - Slender and pu 
; stem Lto 3-flowered, peduncles ve eae leaves 8 
__ late-ovate, remotely denticulate. Has. In Pine 
ida ‘Calis , 
* 
