COMPOSITE. 



201 CHRYSOPSIS 



24. S. MuHLENBE'RGHII. T.S^G. S. arguta. Muh. 



Stem furrowed, glabrous ; haves smooth both sides, strongly and sharply 

 serrate, the radical ones ovate, petiolate, cauline ones elliptical-lanceolate, 

 acuminate at each end ; racemes secund, short, remote, axillary, spreading; 

 pedicels pubescent ; heads 15—20 flowered ; scales linear, obtuse. In damp 

 woods and thickets. Stem 2—3 feet high, generally simple, bearing a long, 

 open panicle. Leaves large, notched with very acute or acuminate teeth, 

 feather-veined. Heads middle size, with 6—8 rather large rays. Aug. — 

 Sept. 



25. S. ALTl'^SIMA. 



Stem erect, hairy ; Zea7)es lanceolate, lower ones deeply serrate, rough and 

 wrinkled. A very variable species, the tall, rough varieties of which are 

 common about the borders of fields, in hedges, &c. Stem rough with hairs, 

 erect, 3 — 5 feet high, much branched at top. Leaves variously toothed or 

 serrate, numerous both upon the stem and branches. Branches widely 

 spreading, each terminating in a recurved panicle with the flowers turning 

 upwards. But scarcely two of the plants look alike. The branches are very 

 widely spread, or but little diverging; with few and scattered flowers, or with 

 numerous flowers; ihe leaves are equally or unequally serrate, hairy or wool- 

 ly. Aug. — Oct. Tall Goldenrod. 



26. S. ulmifo'lia. 



Stem erect, smooth, striate ; leaves ovate, deeply serrate, acuminate, villous 

 beneath, radical ones obovate ; racemes paniculate, secund ; peduncles villous ; 

 rays about 4, short. In low grounds. Stem 3 feet high. Radical leaves 

 hajry on both sides, stem leavea often oblong-ovate and hairy only aear the 

 veins beneath; all of them rather large. Aug. Sept. 



Elm-leaved Goldenrod^ 



16. CHRYSO'PSIS. 

 Heads many-flowered ; ray-flowers pistillate, disk-flowers 

 perfect; involucre imbricate; receptacle subalveolate, flat; 

 pappus double, the exterior short, interior copious, capillary; 

 achenium hairy, compressed. 



X,ev(roi, gold, o4^i«, appearance ; on account of the showy heads of yellow 

 flowers. Perennial, hairy herbs with alternate and entire leaves. 



1. C. FALCA'TA. Beck. Inula falcata. P. 

 Woolly and villous; ?eflws sessile, linear, very acute, subfalcate, spreading; 



nerves pilose on both sides ; heads in axillary corymbs ; involucre pilose. A 

 low, leafy plant with axillary, crowded corymbs of small, bright-yellow 

 flowers. Rays 3-toothed at the end. The thick stem is about 8 inches in 

 hight. Grows in pine barrens. Sept. Oct. 



2. C. Maria'NA. JVm«. Inula Mariana. X. 



Hairy ; leaves oblong, lanceolate, serrate, the upper ones sessile, acute, the 

 lower ones spathulate and generally obtuse ; corj/mi simple ; involucre Visc\6\y 

 pubescent. Common in the Southern States, rare in N. Y. The stem and 

 leaves are clothed with scattered, long, silky hairs. Plant about 2 feet high. 

 Lower leaves taper at base into petioles. The corymb of flowers is terminal^ 

 nearly or quite simple. Heads large, 16 — 20 rayed, yellow, on viscid 

 glandular peduncles. Aug — Oct. 



