ORDER 70. COMPOSITE. 435 



33 S. ulmifolia Muhl. St. glabrous, vrith hairy branches; Ivs. thin, elliptic-ovate, 

 serrate, acuminate, sessile, tapering to the base, smooth above, villous beneath 

 rac. paniculate, recurved-spreading ; ped. villous; fids. smaU; scales acute; rays 

 3 or 4, disk-fls. 3 or 4. In woods and low grounds, K and W. States. A species, 

 of striking form, like Bracbychaeta, with the slender, arched branches of the Elm. 

 St. striate, about 3f high, rarely with scattered hairs. Radical Ivs. tapering to 

 winged petioles, and hairy both sides, with coarse and unequal serratures, upper 

 ones entire, middle ones about 3' by 1^'. Rays deep yellow. Aug., Sept 



34 S. Boottia Hook. St. glabrous, with hairy branches ; Ivs. ovate or lance-ovate, 

 serrate, lower contracted to marginal petioles, upper sessile, acuminate at both 

 ends ; rac. long, recurved, loosely panicled ; hds. middle size ; scales oblong, ob~ 

 tuse; rays 2 to 5, disk-fls. 8 to 12. Sandy soils, K Car. to Fla. and Tex. Plant 

 2 to 5f high, variable, with the stem smooth, or more or less rough-downy. Aug. 

 Oct. 



35 S. linoides Solander. Smooth throughout; st. slender, simple; Ivs. lanceolate, 

 finely serrate and scabrous on the margin, radical ones petiolate, upper entire ; 

 hds. small, in short, secund, at length spreading racemes; scales oblong-linear, 

 obtuse, appressed ; rays 1 to 4, short, disk-fls. 4 to 5, short. A small species, 

 near Boston (Greene in K Am. Flo.) to X. J. St. 12 tp 20' high. Lvs. 1 to 5' 

 by 3 to 6". Pan. small, usually turned to one side, -ftpt, Oct. 



36 S. Muhlenbergii Torr. & Gr. St. ftwnyfred, glabrous : Ivs. smooth both sides, 

 strongly and sharply serrate, ^the radical ovat^ petiolate, cauline, elliptical-lanceo- 

 late, acuminate at each end ; rac. secundj^short, remote, axillary, spreading ; 

 pedicels pubescent; hds. 15 20-flqprafed; scales linear, obtuse. In damp woods 

 and thickets, N. H. to Penn. Stem 2 ~3^BJtr generally simple, bearing a long, 

 open panicle. Leaves large, notchedHij^BBy acute or aomninate teeth, feather- 

 veined. Heads middle size, with 6 3 rather large raja. Aug. Oct. (S. ar- 

 guta Muhl.) 



37 S. patula. Muhl. St. smooth, angular-striate : lv-s. elliptic,4fcute, serrate, very 

 scabrous above, smooth beneath, lower ones oblong-spatulato ; rac. pan%ulate, 

 loosely spreading ; pedicels pubeso^^^fe. about 12 to 15-flowered ; scales much 

 imbricated, oblong, very obtuse. In wet places, Can., N. and "W. States, not com- 

 mon. St. 2 to 4f high, virgate, often purple, strongly angled, with,., leafy branches 

 at the top. St. Ivs. 1 to 2' long, J as wide, radical ones '2 or 3 times larger. Rae. 

 short, on the eads of the spreading branches. Sept^ 



38 S. elliptica Ait. Erect, glabrous throughout, leafy ; Iva elliptical, acute at 

 each end, obscurely serrate, upper ones sessile, entire ; rac. short, recurved, in a 

 dense pyramidal panicle; hds. middle size-} rays 5 to 8, vory .short, disk-fls. 6 or 

 7 ; scales linear-oblong, obtuse. Salt marshes, R. 1st. (Olney), near N. Y. (T. & 

 G.), to Ga. St 3 to of high, bearing a close, sonaflfrhat leafy pyramidal panicle. 

 Lvs. 2 to 4' by to !', rough-edged, the serratureH appressed and rather remote. 

 Rays oblong, rather large, pale yellow. Oct * 



/}. ELUOTTII. Pan. more widely spreading. South. (S Elliottii T. & G.) 



39 S. arguta Ait. St. strict, smooth ; Ivs. smooth, acutely and unequally serrate, 

 with diverging teeth, cauline, elliptical, sessile, highest entire aud small, radical 

 oblong-ovate, attenuate at base into winged p-.y . secund, dense, in a 

 spreading, cor ymbcrus panicle ; hds. middle size; rays about 10, disk-fls. 9 or 10 ; 

 ach. smooth. In meadows and woods, U. S. (from lat. : ihe Arc. circle. 

 A smooth, shining plant 3f high, with a large, dense, corymbous panicle. Rac. 

 recurved, a finger's length, the compound pedicels roughisn, bracted. AugwSept. 



3. JUNT'EA. Lvs. lanceolate, subserrate, upper entire ; st. brownish, swiate ; 

 rays twice as long as tho invoL ; pan. less dense. Open fields. (S. juncea 

 Ait. S. ciliaris Muhl.) 



40 S. neglecta Torr. & Gr. St. smooth, striate ; lv?. smooth, acute, serrate, with 

 divergent teeth, cauline IvMO/r-lanceolate, subentire highest linear, sessile, lowest 

 lanceolate (large), tapering to a long petiole ; rac. secund, erect, at length recurved, 

 in an abrupt or oblique panick ; hds. middle size: rays G to 10, disk-lls. 7 to 12 ; 

 ach. smooth. Swamps Hanover, X. II. (Ricard, &c.) to Ind. and southward. 

 St. 3 to 4fhtgh, terete. Rt Ivs. 6 to 12' long, feather-veined; upper obscurely 

 3-veined. Aug., Sept. A handsome Soiidago, best known by its peculiar panicle. 



