SoLiDAGo. LXXV. COMPOSITiE. 331 



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

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

 cies with a fj^reyish, dusty aspect, bearing? a dense panicle of deep yellow flow- 

 ers. floiji;ht 1—21". In dry, sterile fields and l)y 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. 

 Otlen the stem divides into branches, each bearing a panicle. ISept. 



17. S. Canadensis. Canadian Goldcnrod. 



SI. downy; lis. lanceolate, serrate, 3-veined, rough; rac. paniculate, 

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

 mon. From 18' to 5t' high. Stem furrowed, terminated by a copious panicle 

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

 and jK'rhaps a little downy. Heads almost innumerable, very small, with very 

 obscure, yellow ravs. Aug. — Oct. 



/?. proara. T. & G. (S. procera. Ait.) St. villous ; lis. rough, villous be- 

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

 distinctly 3-veined. 



18. S. sEROTiNA. Willd. Smooth Goldenrod. 



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

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

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

 very smooth, often glaucous or purple. Leaves 3 — 5 — 1' 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. GiGANTRA. Ait. Gigautic Goldenrod. 



St. smooth, striate ; lis. 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 1 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 ; lis. elliptic-lanceolate, subserrate and scabrous on 

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

 gated) smooth ; brads (often) ciliatc ; raijs 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 ; lis. 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 and shining, lower 3 — 4' by 3 — 5", 

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



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



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



St. smooth; lis. 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 — 6f high, purplish, somewhat glaucous, with 

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

 narrow. Sept. 



23. S. ODORA. Ait. Siceet-sccnted Goldenrod. 



St. round, pubescent, slender ; lis. 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. 



