SoLiDAGo. LXXV. COMPOSITE. 331 



commonly with tufts of smaller ones in their axils, radical ones subcuneiform, 

 serrate; rac. paniculate, secund; rays 5 — 7.— A common, starved-looking spe- 

 cies with a greyish, dusty aspect, bearing a dense panicle of deep yellow flow- 

 ers. Height 1 — 2f. In dry, sterile fields and by roadsides, U. S. and Can. 

 Heads small, but with conspicuous rays. Panicle composed of many short 

 racemes, inclining to one side, or often of a single, terminal, recurved one. 

 Often the stem divides into branches, each bearing a panicle. Sept. 



17. S. Canadensis. Canadian Goldenrod. 



St. downy; Ivs. lanceolate, serrate, 3- veined, rough; rac. paniculate, 

 secund, recurved ; rays short. — In old fields, hedges, U. S. and Brit, Am. Com- 

 mon, From 18' to 5f high. Stem furrowed, terminated by a copious panicle 

 which inclines to one side. Leaves sessile, 3' long, sometimes nearly entire, 

 and perhaps a little downy. Heads almost innumerable, very small, with very 

 obscure, yellow rays. Aug. — Oct. 



H. procera. T. & G, (S. procera. Ait.) St. villous ; Ivs. rough, villous be- 

 neath ; hds. larger and Avith larger rays. In low grounds, 4— 7f high. Leaves 

 distinctly 3-veined, 



18. S. sEROTlNA. Willd. Synooth Goldenrod. 



St. round, striate, smooth ; Ivs. linear-lanceolate, acuminate, serrate ; rac. 

 secund, recurved, paniculate; ped. pubescent; hds. small, 15 — 20-flowered. — A 

 smooth species, in meadows and thickets, U. S. and Can, Stem 3 — 6f high, 

 very smooth, often glaucous or purple. Leaves 3—5 — 7' long, about \ as 

 wide, smooth, margin scabrous, slightly toothed, upper ones entire. Flowers nu- 

 merous, forming a more or less compact panicle inclined at summit. Rays 

 about 8, small. Sept, — Variable. 



19. S, GiGANTEA, Ait, Gigantic Goldenrod. 



St. smooth, striate ; Ivs. lanceolate, serrate, margin rough, scabrous above 

 and on the margin and on the veins beneath ; rac. paniculate ; branches pubes- 

 cent ; ped. and pedicels hairy. — A large, showy species, in low, open grounds, 

 U, S, and Can. Stem green, sometimes purplish, 4 — 7f high, often much 

 branched above. Leaves 2 — 4 — 7' long, about ^ as wide, acuminate at each 

 end, often with divergent teeth. Heads about as large as in the last. Panicle 

 often diffuse, on spreading, leafy branches, Aug, — Oct, 



20. S, ciLiARis, Willd, 



St. angular, smooth ; Ivs. elliptic-lanceolate, subserrate and scabrous on 

 the margin, smooth both sides, sub-3- veined ; rac. paniculate ; pedicels (elon- 

 gated) smooth ; bracts (often) ciliate ; rays short. — In the public lands about Ft. 

 Niagara, N, Y, In these specimens the whole plant is smooth except the mar- 

 gins of the leaves. Stem 2 — 3f high, striate. Leaves subcoriaceous, radical 

 ones petiolate. Racemes thin, spreading. Aug. Sept. 



21. S. MiSSOURIENSIS. Nutt, 



Glabrous, low, simple, slender ; Ivs. lance-linear, tapering to each end, 

 very acute and rough-edged, lower ones with acute, slender serratures, radical 

 oblanceolate, petiolate ; rac. small, in a dense, pyramidal or somewhat corym- 

 bose panicle; hds. small, 12 — 15-flowered. — A delicate species, 1 — 2f high, in 

 dry prairies. 111. and Mo. ! Leaves smooth ami shining, lower 3 — 4' by 3—^5", 

 the others gradually reduced upAvards to minute bracts. Rays about 8. Jl. Aug! 

 § 6. Heads in secund racemes. Leaves feather-veined^ all entire. 



22. S. SEMPERvlRENs. (S. laevigata. Ait.) Evergreen Goldenrod. 



St. smooth; Ivs. lanceolate, .somewhat succulent, smooth, entire and sca- 

 brous on the margin, closely sessile; rac. paniculate; pedicels .scabrous-pubes- 

 cent; rays elongated. — Marshes along the coast, and river banks, within the 

 influence of the water. Stem 3 — GH high, purplish, somewhat glaucous, with 

 numerous long and narrow leaves. Heads large, Rays about 8, long and 

 narrow. Sept, 



23. S. ODORA. Ait. Sweet-scented Goldenrod. 



St. round, pubescent, slender ; Ivs. linear-lanceolate, acute, abrupt, and 

 sessile at base, very entire, smooth, punctate with pellucid dots, rough-edged; 

 rac. paniculate.— In dry, fertile woodlands and sunny hills, U. S, and Can. 



