‘TacETEs. LXXV. COMPOSIT Z. 34i 
13. H. pivaricatus. Spreading Sunflower. 
St. smooth, branching or simple ; Jvs. nearly opposite, sessile, ovate-lanceo- 
late, 3-veined, scabrous above, smooth beneath; panicle trichotomous, slender, 
few-flowered.—Not uncommon in rocky woods, brooksides, U. S. and Brit. Am. 
Siem 5f high; glaucous. Leaves rather abrupt at base, tapering to a long, 
acute point, with obtuse serratures. Flowers large, althouigh smiall for the ges 
nus, few, yellow and very showy. The panicle is either 2 or 3-forked. This 
plant is much improved by cultivation. Aug: Sept. 
: imus. St.subsimple ; lvs. thick, exceedingly rough and rigid.—Bar- 
rens, Ia.! 
y- Lws. ternately verticillate. Otherwise asin @. Barrens, Ia.! 
§ § Disk yellow. * * Leaves alternate. 
14. H. cicantevs. (H. altissimus. Linn.) 
; Is. alternate (the lowest opposite), lanceolate, acuminate, serrate, sca- 
brous, obscurely 3-veined, tapering at base into short, ciliate, winged petioles; 
scales of the involucre \anceolate-linear, ciliate ; pappus of 2 short, slightly fringed 
scales —Can. to Car. and Ky., in low grounds and thickets. Stem 4—8f high, 
purplish, branching above into a corymbose panicle of large, yellow flowers. 
Leaves 2—5' by 3—1’, opposite or alternate in various degrees. Rays 12—20. 
Variable. 
“2B. ambiguus. T. & G. Lvs. nearly all opposite, sessile and rounded at base. 
—L. 1.” Torr. & Gray. 
15. H. romentosvs. Michx. Downy-leaved Sunflower. 
St. stout, pubescent, branched above; Jvs. thin; large, acuminate, obscure- 
ly serrate, scabrous above, tomentose or nearly glabrous beneath, lower ones 
ovate, petiolate, upper ovate-lanceolate, subsessile; Ads. long-pedunculate; 
scales lance-linear, long-acuminate, villous, squarrose; chaff 3-toothed, hirsute 
at summit.—Dry soil, Ill. to Ga. A large species, 4—8f high, with ample 
leaves and flowers. Leaves 6—12’ by 2—6’, some of them tripli-veined. Rays 
elliptical lanceolate, 18” by 5”. Aug.—Oct. ¢ 
16. H. Grosse-sErratus. Martens. Notch-leaved Sunflower. 
St. smooth and glaucous; lvs. mostly alternate, lanceolate or lance-ovate, 
long-acuminate, sharply serrate, scabrous above, hoary and softly pubescent be- 
neath, abruptly contracted into naked petioles; scales lance-subulate, loosely 
imbricated, sparingly ciliete, as long as the disk—Ohio, Sullivant, &c., Ia. 
Plummer, lll., Mead, toLa. Allied toH. giganteus. Stem 4—6f high. Leaves 
6—9’ by 1—2’ broadest near the base, lower ones rather coarsely serrate. Rays 
15—20, expanding near 3’. Aug. Sept. 
17. H. TuBerosus. Jerusalem Artichoke—Lvs. 3-veined, rough, lower ones 
opposite, cordate-ovate, upper ovate, acuminate, alternate; petioles ciliate at 
base.—2| Native of Brazil. The plant has been cultivated for the sake of its 
tuberous roots, which are used as a substitute for potatoes. It is naturalized in 
borders of fields, hedges, &c. Sept. §+ 
35. TAGETES. 
Named for Tages,a Tuscan divinity, son of Genius and grandson of Jupiter. 
Heads heterogamous; involucre simple, tubular, of 5 united 
scales; ray-flowers 5, persistent; receptacle naked; pappus of 5 
erect awns.—® Herbs of tropical America. Lws. pinnately divided. 
1. T. parina. French Marigold.—St. erect, with spreading branches; seg- 
ments of the leaves linear-lanceolate ; ped. elongated, subceylindric, one-flowered ; 
invol. smooth. Plant about 2f high. Flowers orange-yellow. 
2. 'T. erecta. African Marigold—Segments of the leaves lanceolate, ciliate- 
serrate; ped. 1-flowered, ventricose and thickened at the summit; invol. angu- 
lar.—The heads are twice larger than in T. patula, and on shorter peduncles. 
—These are well known and popular garden flowers with several varieties. 
