ORDER 10. COMPOSITE. 431 



n Racemes distant, loosely if at all panlcled Nos. 36, 3T 



n Itacemes close, forming compact panicles . .Nos. 38 10 



d Inflorescence terminal, in afastigiate corymb, (o) 



O Leaves lanceolate, ample. Stem smooth, glabrous Nos. 41, 4'J 



O Leaves lanceolate, ample. Stem rough, pubescent Nos. 43 4C 



O Leaves linear. Heads small, scales close-pressed Nos. 47, 48 



1 S. pauciflosculdsa MX. Shrub, much branched, glabrous, glaucous and 

 somewhat viscid; Ivs. somewhat lanceolate and linear, obscurely 3-veined, obtuse, 

 sessile, entire ; panicle compound, of erect racemes ; hds. 5 to 7 -flowered, with 1 

 to 3 large rays. S. Car. to Fla., barrens near the coast. A low bush, about 2f 

 high, remarkably distinguished among our Solidagos as a shrub. Lvs. 1 to 2' 

 long, leathery. Ray, usually solitary. Aug. Oct. 



2 S. discoidea (Ell.) Villous-pubescent, hoary ; Ivs. ovate, petiolate, coarsely 

 serrate, the upper ovate-lanceolate ; rac. erect, in a virgate or thyrsoid pan. ; hds. 

 discoid, about \1-flowered ; scales downy-canescent, the acute herbaceous tips 

 squarrous-spreading. Ga. and Fla. (uplands), to La. Plant 3 to 41' high, remark- 

 able for its rayless fls. and, squnrrous aster-like involucre. Lower Ivs. 3 to 4' long, 

 gradually reduced upwards. Sept., Oct. 



3 S. brachyphylla Chapin. Rough-pubescent; Ivs. numerous, appressed-ser- 

 rate, spatulate, oval and ovate, glabrous; rac. secund, in virgate panicles; scales 

 erect (not spreading), obtuse, smooth; hds. discoid; disk-flowers 5 to G. Mid. Fla, 

 uplands (Chapman). Tall (4 to Gf ), witli erect leafy branches. St. Ivs. 1' long, 

 diminishing upwards. (Allied to S. altissima.) 



4 S. sqtiarrosa Muhl. St. stout, simple, densely pubescent above ; Ivs. smooth, 

 lower very broad, oval-spatulate, serrate, acute, upper lanceolate-elliptic, highest, 

 entire; rac. glomerate, rigid and pubescent; scales rigid, oblong, squarrous with 

 spreading green tips; lids, many flowered; rays 10 12, elongated. A handsome 

 species, found on rocky hills, Can. to Penn. Stem 2 5f high. Heads very 

 large, forming a large terminal spike of short, dense, axillary fascicles or racemes. 

 Sept. 



5 S. squarrulosa (T. & G.) Pubescent, striate; Ivs. rough, numerous, oval or 

 lanceolate, the upper entire, the lower serrate, all abruptly contracted at base but 

 scarcely petiolate; hds. large (20 to 25-flowered), in a terminal, virgate raceme; 

 rays G to 10 ; scales linear or lance-subulate, with loose herbaceous tips, the outer 

 spreading, bract-like. Uplands, N. Car. to Fla. and La. St. 2 to 3i high, often 

 branched above. Lvs. 1 to 2' long, Aug., Sept. (S. squarrosa Nutt. S. petio- 

 laris Ait.?) 



6 S. bicolor L. Hairy ; st. simple ; Ivs. elliptical entire, acute at each end, lower 

 serrate, short-stalked; rac. short, dense, axillary, paniculate-virgate above; invoL 

 scales obtuse ; rays about 8, whitish. "Woods and dry hills, Can., N. Mid., & "W. 

 States. Remarkably distinguished among the solidagos by having white or 

 cream-colored rays. St. 2f high, a little hairy. Lvs. hairy on both sides, mostly 

 entire, gradually reduced in size upwards. Axillary clusters approximating above 

 into a terminal, interrupted spike. Rays short and obscure, JL, Aug. (Aster 

 bicola Noes.) 



/?. niRSUTA. Fls. all yellow. Penn. (S. hirsuta, Nutt.) 



7. S. Buckley! Torr. & Gr. Villous-pubescent ; Ivs. oblong, serrate, acute at 

 each end, subsessile ; clusters axillary, loose, much shorter than the Ivs. ; ped, 

 villous; scales glabrous, acutish, rays 4 to 6, disk-flowers 9 to 12 ; ach. compressed, 

 glabrous. Interior of Ala. (Buckley). St. 2 to 3f high? Lvs. as large as in 

 No. 8, the hds. larger. Oct. 



8 S. latifolia Muhl. St. somewhat flexuous, angular, smooth below, pubescent 

 above; Ivs. broadly ovate, acuminate at each end, deeply serrate, pubescent be- 

 neath ; petioles margined ; rac. axillary and terminal ; ach. silky pubescent. A 

 singular and well-marked species common in dry woods and by rocky stream*, 

 U. S. and Can. St. slender, simple, about 2f high. Lvs. 3 to 5' by 2 to 4', with 

 acute, often long-acuminate serratures. Clusters very short, axillary, the stem 

 ending with a long terminal one. Hds. few. S?pt. Variable. The clusters are 

 often long and loose, and exceeding tho Ivs. (S. ambigua Ait. S. macrophylla 

 Bw.) 



P. PUBENS. Pubescent, becoming densely so above, especially tho sealer- 

 Mts. of N. Car. (Curtis) (S. pubeas Curtis.) 



