464 Order 70.— COMPOSITE 



bright green, the radical ones 6talked. Fls. without rays, terminal, scattered, 

 j-ellow, appearing all summor. § Eur. 



2 S. aureus L. Radical lvs. ovate, cordate, crenato-serrate, petiolale, cauline ones 

 lyrate-pinnatiild, dentate, terminal segments lauceolate ; ped. subumbellate, thick ; 

 rays 8 to 12 ; ach. glabrous. — ll Plant with varying forms, in meadows, woods, 

 (U. S. and Brit. Am.), with golden yellow fls. St. smoothish, striate, erect, 1 to 

 2f high, simple, or branched above, terminating in a kind of umbellate, simple or 

 compound corymb. Lower stem lvs. lyrate, upper ones lew and slender. Ped. 

 more or less thickened upwards. Scales linear, acute, purplish at apex. Hays 

 spreading about 1'. May — Aug. 



/? balsamit^e. St. villous at baso ; lvs. few, small and distant, pubescent* 

 radical ones oblong-lanceolate ; pod. villous at base. — Rocky hills and pas- 

 tures. (S. Balsamitre, Muhl.) 



y gracilis. Radical lvs. orbicular, on long petioles, cauline few, linear-oblong, 

 incisely dentate ; ped. short, pilous, with small, few-rayed heads. — A slender 

 state of the species, on rocky shores. (8. gracilis, Ph.) 



6 obovatus. Radical lvs. obovate to oblong-spatulate ; ped. elongated. — 

 Meadows, &c. (S. obovatus, Willd.) 



r laxceolatus. Radical lvs. lanceolate, acute, caulino lanceolate, piunatifid 

 at base. — Shady swamps, &c. 



3 S. obovatus Ell. Tomentous when young, at length glabrous ; root lvs. obo- 

 vote or roundish, crenate, with an attenuated sessile base, cauline few, small, cut- 

 pinnate; corymb small; rays 10 to 12; ach. glabrous. — Va. to Fla. St. a foot 

 high, nearly leafless. Lvs. mostly radical, near 3' broad and long, often slightly 

 petioled; the upper lv3. rapidly diminished. Rays spreading about 1'. May. 



4 6. tomentosus Mx. Clothed with soft, cotton-like, nearly persistent tomenium; 

 root lvs. oblong or oblanceolato or ovate, obtuse, tapering to a long, slender petiole, 

 crenate, the upper sessile; hds. fastigiate, rays 12 to 15; ach. pubescent. — U Ya. 

 to Fla. and La. St. 1 to 2f high, often nearly leafless above. Corymb simple, 

 subumbellate. Root lvs. with their petioles G to 9' long, 1 to 3' wide. Rays 

 spreading 16". Apr. — Jn. — The leaves aro exceedingly variable. A variety (on 

 Stono lit., Ga.) is low, densel}' tomentous, with the lvs. all radical. 



5 S. anonymus. Plant clothed ivith a white, partly deciduous tomenium ; root lvs. 

 small, oblong, obtuse, crenate-serratc, some of them slightly lobed, tapering to a 

 petiole, cauline lvs. long and narrow, remotely sinuate-pinnatijid, the segm. cut-den- 

 tate; hds. subumbellate, small, ach. pubescent. — %1 Montgomery, Ala. St. 1G to 

 24' high. Root lvs. V wido and with their potioles 2 to 3' long. St. lvs. 6' long, 

 the upper 1', almost bipinnatifid. Rays 8 to 10, spreading about 1''. May., Jn. 



6 S. Canadensis L. Los. glabrous, bipinnata with linear, lobed, obtuse segm., 

 the upper i'^w pinnately divided; corymbs compound, fastigiate; rays 9 to 12. — 

 21 Canada (Kalm, in Willd. Spec., &c.) Upper districts of the S. States. Hds. 

 rather small. Jn. — Possibly our S. anonvmus is a variety of this. (S. mille- 

 folium T. & G. 



7 S. lobatus Pers. Butter-weed. Glabrous or slightly floccous at base ; lvs. 

 all lyrale-pinnatijid (or the upper pinnatitid), the lobes crenate, distant, odd ono 

 roundish ; corymbs somewhat compoundly umbeled ; iuvol. slightly calyculato ; 

 rays 10 to 12; ach. minutely hispid. — J) Low, wet ground*, N. Car. to Fla. and 

 La., common. St. striate, 2 to 3f high. Lvs. 4 to G' long, terminal lobe 1' diarn. 

 Rays spreading about 11". Mar. — Jl. 



8 S. pseudo-elegans DC. Purple Jacob.ea. Lvs. equal, pinnatiOd 

 pilous-viscid, spreading ; ped. somewhat scaly ; invol. calyculato with leafy 

 6cales; scales mostly withered at tho tips. — (J) Native of tho Capo of Good Hope. 

 A beautiful plant in cultivation. Fl3. of the disk yellow, of tho rays brilliant 

 purple. A variety has double fls. with colors ecmally line. Another variety has 

 white fls. Jn. — Aug. f (S. elegaus L.) 



87. ARNICA, L. Involucre of equal, lanceolate scales, 1 or 2 -rowed ; 

 ray flowers § , disk $ ; receptacle flat, with scattered hairs ; pappue 

 single, rigid and serruiate. — U St. simple. Lvs. opposite. Fls. yellow. 

 1 A. mollis Hook. Pubescent ; si. leafy ; lvs. becoming nearly glabrous, thin, 



