938 FLORA. 



the involucre linear-oblong, obtuse, or the inner acutish; achenes striate, pubescent. 

 On rocky river-banks. Newf. to northern N. Y., Vt. and Va. July-Sept. 



20. Solidago alpestris Wald. & Kit. Alpine Goldenrod. (I. F. f. 3688.) 

 Glabrous, or somewhat pubescent; stems simple, often tufted, 7-30 cm. high, 

 ascending, or erect, angular. Basal leaves serrate, at least above the middle, ob- 

 tuse, or acute, 5-10 cm. long, narrowed into petioles; stem-leaves oblanceolate, 

 spatulate, or oblong, sessile, or the lower petioled, mostly distant; inflorescence a 

 short raceme or thyrsus, with clusters of heads in the axils of the leaves; heads 6-8 

 mm. high; bracts of the involucre obtuse or acute; achenes pubescent. Alpine 

 summits of the mountains of Me., N. H. and northern N. Y., mostly above timber 

 line. Also in Europe. Aug.-Sept. 



31. Solidago Virgaurea L. European Goldenrod. (I. F. f. 3689.} 

 Somewhat pubescent, at least above; stem usually simple, rather stout, 3-6 dm. 

 high. Basal leaves 7-12 cm. long, 2.5 cm. wide, or less, obtuse or acute, mostly 

 dentate, narrowed into margined petioles; stem-leaves sessile, or the lower petioled, 

 oblong-lanceolate to spatulate, acute; heads 6-8 mm. high, in a narrow, dense or 

 interrupted, rarely branched thyrsus which is often 2 dm. long; bracts of the invo- 

 lucre obtuse or acute; achenes more or less pubescent. Me., N. H., Vt. and 

 northern N. Y., mostly at middle altitudes. Also in Europe. Aug.-Sept. 



Solidago Virg:\urea Deanei Porter. Stem only 0.7-3 dm. high, often slender; thyrsus 

 short, 5-10 cm. long; heads 3-6 mm. high. Mountains, Me., Vt. and N. H. 



Solidago Virg;\urea Gillmani (A. Gray) Porter. Stout, 4-9 dm. high ; thyrsus pan- 

 iculately branched; basal leaves very large, sometimes 25 cm. long, sharply serrate. Sand 

 hills, southern shore of Lake Superior. Perhaps not referable to this species. 



22. Solidago sempervirens L. Sea-side Goldenrod. Salt-marsh Gold- 

 enrod. (I. F. f. 3690.) Stem stout, leafy, usually simple, 6-25 dm. high, gla- 

 brous, or slightly puberulent above. Leaves with 2-5 pairs of lateral veins, the 

 lower and basal ones oblong, spatulate or lanceolate, mostly obtuse, sometimes 3 

 dm. long, narrowed into long petioles; upper leaves sessile, lanceolate to oblong- 

 lanceolate, acute; heads, 6-10 mm. high; rays 8-10, showy; bracts of the invo- 

 lucre lanceolate, acute. On salt marshes, sea beaches, along tidal rivers and in 

 sandy soil near the sea, N. B. to Fla. and Mex. Also in Bermuda. Aug.-Dec. 



23. Solidago odora Ait. Sweet or Anise-scented Goldenrod. Blue 

 Mountain Tea. (I. F. f. 3691.) Slender; stem simple, glabrous, or minutely 

 pubescent above, 6-12 dm. high. Leaves punctate, anise-scented when bruised, 

 lanceolate, quite entire, acute or acuminate, 5-10 cm. long, 6-16 mm. wide, ses- 

 sile, or the lower ones petioled; heads 4-5 mm. high, rays 3 or 4, 4-6 mm. long; 

 bracts of the involucre oblong-lanceolate, acute. In dry soil, N. S. (?), Mass. to 

 Fla., west to N. Y., Ky. and Tex. July-Sept. 



Solidago od6ra inodbra A. Gray. Leaves not punctate, scentless when bruised. 

 Probably a mere form. 



24. Solidago tortifdlia Ell. Twisted-leaf Goldenrod. (I. F. f. 360 

 Stem slender, rough-pubescent or puberulent, 6-9 dm. high, simple. Leaves often 

 twisted, scabrous, sessile, acute, 2.5-5 cm - l° n &< 3 - 6 mm. wide, obscurely veined 

 but with a distinct midrib, the lower serrate, the upper entire; heads about 4 mm. 

 high" rays 3-5, short; bracts of the involucre linear, obtuse or obtusish. In dry 

 sandy soil, Va. to Fla. and Tex., mostly near the coast. Autumn. 



25. Solidago rugosa Mill. Wrinkle-leaved, or Tall Hairy Goldenrod, 



BlTTER-WEED. (I. F. f. 3693.) Stem hirsute, usually stout, 3-22 dm. high, sim- 

 ple, or branched at the summit. Leaves rather thin, oval or oblong-lanceolate, acute 

 or acuminate (rarely obtusish) at the apex, narrowed at the base, sharply serrate, 

 2-IO cm. long, 8-35 mm. wide, sessile, or tin- lowest sometimes tapering into peti- 

 oles; heads } 4 nun. high; panicle usually large and compound; bracts of the in 

 volu'cre linear, obtuse or obtusish. Usually in dry soil, in fields and along road- 

 sides. Newf. to W. Out.. s,,utli to Fla. and Tex. July -Nov. 



26. Solidago fistulosa Mill- Pine-barren Goldenrod. (I. F. f. 3694.) 



Stem rather stout, simple, or branched above. 1-2 m. high, hirsute. Leaves 

 numerous, sessile, ovate oblong, oblong-lanceolate, or sometimes lanceolate, thick, 

 rough or hirsute on the margins and midrib beneath, the upper small, obtuse or 

 obtusish, entire, the lower sparingly senate, obtuse or acute, 3-10 cm. long, with a 



