434 ORDEB 70 COMPOSITE. 



A large, showy species, in low, open grounds, U. S. and Can. SL green, some*- 

 times purplish, 4 to 7f high, often much branched above. Lvs. 2 to 4 to 7' long, 

 acuminate at each end, often with divergent teeth. Pan. often diffuse, on spread- 

 ing, leaty branches. Aug. 'Oct. Bays twice longer than the last. 



25 S. Canadensis L. St. downy ; Ivs. lanceolate, serrate, 3-veined, acuminate, 

 rough ; roc. paniculate, secuud, recurved ; rays short, about 8, disk-fls. about 7 ; 

 scales linear. (Fig. 118.) Melds, hedges, U. S. and Brit. Am., common. From 18' to 



6f high. Stem furrowed, terminated by a copious panicle which inclines to ono 

 side. Lvs. sessile, 3' long, sometimes nearly entire, and perhaps a little downy. 

 Heads almost innumerable, very small, with very obscure, yellow rays. Aug. Oct. 



/?. PKOCERA. St. villous ; Ivs. rough, villous beneath ; fids, larger, and with 

 larger rays. In low grounds, 4 7f high. Leaves distinctly 3-veined, (S. 

 procera Ait.) 



26 S. Shortii Torn & Gr. St. minutely rough-downy ; Iva. oblong-lanceolate, 

 sharply serrate, strongly 3-veined, acute, very smooth; rac. seeund, dense; pan. 



contracted, elongated; scales linear-oblong, with greenish tips; rays 5 to 7, disk-fls. 

 5 to 7. Banks of the Ohio River, Ind. and Ky. Sts. 1 to 2f high. Readily dis- 

 tinguished from the last. Jl., Aug. 



27 S. pilosa "Walt. Hirsute, tall, stout; Ivs. lance-oblong, remotely serrulate, 

 rough, thick, obsoletely veined, midvein hairy beneath, upper lance-ovate, sessile, 

 entire ; pan. pyramidal ; rays 7 to 10, minute, disk-fls. 5 or 6. Pino barrens, N. 

 J. to Fla., in damp places. St. 4 to 7f high. Lvs. 2 to 4' long bolow, reduced 

 upwards, very numerous, yellowish-green. Pedicels with subulate bracts, simi- 

 lar to the outer scales. Sept., Oct. 



28 S. odora Ait. St. round, pubescent in lines, slender; Ivs. linear lanceolate, acute, 

 abrupt and sessile at base, very entire, smooth, punctate, with pellucid dots, rough- 

 edged; rac. paniculate; raya 2 to 4, disk-fls. 3 or 4. In dry, fertile -woodlands 

 and sunny hills, U. S. and Caru Stem 2 3f high, yellowish-green. Leaves 



. Ij 3' by 3 5", with a strong, yellowish midvein, but no veinlets. Panicle in- 

 clined. Racemes 2 -H' long, spreading, each generally with a leaf at base, and 

 ' a simple row of small heads on the upper side. Jl. Sept. The only species of 

 Solidago which has properties generally considered either agreeable or useful. 

 ' The leaves are aromatic and yield by distillation a fragrant volatile oil. 



/?. RETRORSA, Lvs. linear below, subulate above, often twisted; rays 1, 2 or 

 3 ; st. pubescent all over. S. "W. Ga. (Miss Keen). Punctate Ivs. acute. 

 Scales, &c., as in a. (S. retrorsa MX.) 



29 S. tortifolia Ell. St. rough, pubescent; Ivs. numerous, linear, subentire, 

 often twisted at the base, small, scabrous above, not punctate ; rac. recurved, in a 

 pyramidal panicle; scales obtuse; ray and disk-fls. each 3 to 5. N. Car. to Fla. 

 and Tex., in dry fields. St. 2 to 3 f high, often much branched. Lower Ivs. 2 to 

 3' long, reduced upwards to subulate bracts. (Elliott.) Aug. Oct. Is this tho 

 same as our ft. No. 23 ? 



30 S. altissima L. St. hairy, tall ; Ivs. lanceolate, very veiny, lower ones deeply 

 serrate, rough and wrinkled. Scales acute; rays G to 8. A variable species, tho 

 tall, rough varieties of which are common about the borders of fields, in hedges, 

 U. S. and Brit. Am. Stem rough with hairs, erect, 3 Cf 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 paniclo 

 with the flowers turning upwards. Scarcely two of tho plants look alike. Tho 



. branches are very widely spread, or but little diverging, with few and scattered 

 head;?, or with numerous heads; the leaves are equally or unequally serrate, 



. hairy or woolly. Aug. Oct. (S. rugosa Willd.) 



31 S. Drummondii Torr. & Gr. St. velvety ; Ivs. ovate or broadly oval, acute at 

 each end, sharply serrate, smooih above, velvety beneath, veiny ; scales oblong, ob- 

 tuse; rays 4 or 5. 111. near St. Louis. (Drummond in N. Am. Fl.) St. 1 to 2f 



high. 



32 S. Radula Xutt. St. rough-downy, simple ; Ivs. oblong -spatulate, tapering to 

 the sessile base, s.'irato above, very rough, ligid, the lowest petiolato; pan. coa- 



. tracted ; disk-fls. 3 to 6, rays 5, very short 111. near St. Louis (Engelman), to 

 La. Plant slender. 1 to 2f high. lids, small, crowded, in short, secuud racemes. 

 Sept. 



