936 



FLORA. 



pubescent. In woods and thickets, Me. and Ont. to Minn., Fla., Ark. and Tex. 

 Aug. -Oct. 



Solidago caesia axilliris (Pursh) A. Gray. Heads few, in dense short axillary clusters, 

 much exceeded by the long thin leaves; upper leaves often entire. N. S. to Ont. and N. J. 



5. Solidago flexicaulis L. ZIG-ZAG OR BROAD-LEAVED GOLDENROD. (I. F. f. 

 3674.) Stem glabrous, angled, usually simple, zig-zag, 3-9 dm. high. Leaves thin, 

 ovate, acuminate at the apex, somewhat pubescent, or glabrous beneath, sharply 

 serrate, 5-17 cm. long, 2-10 cm. wide, the uppermost sometimes lanceolate and 

 entire or nearly so; heads about 6 mm. high; bracts of the involucre obtuse to 

 acutish; achenes hirsute-pubescent. In rich woods, N. B. to Ga., west to S. Dak. 

 and Ka'ns. July-Sept. 



6. Solidago Curtisii T. & G. CURTIS' GOLDENROD. (I. F. f. 3675.) 

 Stem glabrous or sparingly pubescent, simple or branched, slender, 4-9 dm. high, 

 angled and grooved. Leaves thin, sometimes broader above the middle, long- 

 acuminate, narrowed below into an entire base, sharply serrate, 7-15 cm. long, 

 8-25 mm. wide, glabrous or nearly so; heads 4-6 mm. high; bracts of the invo- 

 lucre few, obtuse. In mountain woods, Va. and W. Va. to Ga. Aug. -Sept. 



7. Solidago tricolor L. WHITE GOLDENROD. SILVER-ROD. (I. F. f. 3676.) 

 Stem rather stout, hirsute-pubescent, or nearly glabrous, 1.5-12 dm. high, simple 

 or branched. Basal and lower leaves obovate or broadly oblong, mostly obtuse, 

 5-10 cm. long, 2-5 cm. wide, narrowed into long margined petioles, dentate or 

 crenate-dentate, more or less pubescent; upper leaves smaller and narrower, oblong 

 or sometimes lanceolate, subsessile, often entire; heads 4-6 mm. high; bracts of 

 the involucre obtuse; rays white. In dry soil, N. B. to Ga., west to Ont., Minn, 

 and Mo. July-Sept. 



8. Solidago hispida Muhl. HAIRY GOLDENROD. (I. F. f. 3677.) Stout, 

 stem densely pubescent or hirsute, simple, or sometimes branched, 4-9 dm. high. 

 Lower leaves oval, acute, or obtuse, petioled, pubescent on both sides, usually den- 

 tate, 5-12 dm. long, 2-5 cm. wide; upper leaves oblong, sessile, acute, dentate 

 or entire, smaller, sessile; heads about 6 mm. high, crowded; involucral bracts 

 obtuse ; achenes with a few appressed hairs, or glabrous. In dry soil, N. S. to W. 

 Ont. and Minn., south to Penn. and Wis. Aug.-Oct. . 



9. Solidago erecta Pursh. SLENDER GOLDENROD. (I. F. f. 3678.) Stem 

 slender, 6-9 dm. high, simple or rarely branched. Leaves firm, nearly glabrous 

 on both sides, ciliolate on the margins, the lower and basal ones broadly oblong or 

 oval, obtuse or obtusish, crenate-dentate, the upper lanceolate or oblong-lanceolate, 

 acute, usually quite entire ; heads 4-6 mm. high ; bracts of the involucre obtuse. 

 In dry soil, N. J. and Penn. to Ga. and N. Car. Reported from Minn, and 

 S. Dak. Aug. -Sept. 



10. Solidago monticola T. & G. MOUNTAIN GOLDENROD. (I. F. f. 3679.) 

 Slender, glabrous or nearly so, 3-9 dm. high. Stem-leaves ovate-oblong, or oblong- 

 lanceolate, narrowed at the base, sharply and sparingly serrate, or the upper entire, 

 2-15 cm. long. 8-35 mm. wide, the upper sessile, the lower petioled; basal 

 leaves broadly oblong, obtuse, with slender petioles; heads about 4 mm. high; 

 bracts of the involucre acutish or obtuse. In mountain woods, Penn. and Md. to 

 Ga. and Ala. July-Sept. 



11. Solidago macrophylla Pursh. LARGE-LEAVED GOLDENROD. (I. F. f. 

 3680.) Stem glabrous or sparingly pubescent, stout, 1.5-12 dm. high. Leaves 

 thin, ovate, acuminate, or the basal ones obtuse, sharply serrate, glabrous, or spar- 

 ingly pubescent beneath, 7-12 cm. long, 2-6 cm. wide, abruptly contracted into 

 margined petioles, or the uppermost lanceolate, entire, sessile; heads in a terminal 

 compact or loose thyrsus and usually also in axillary clusters; bracts of the invo- 

 lucre linear, acute; rays 8-10, linear-oblong, conspicuous; achenes glabrous or 

 nearly so. In rocky woods, Catskill Mts., N. Y. to Lab. and Hudson Bay, west to 

 Lake Superior. July-Sept. 



12. Solidago puberula Nutt. DOWNY GOLDENROD. (I. F. f. 3681.) Mi- 

 nutely puberulent, or glabrous, usually simple, rather slender, 4-9 dm. high, leafy. 

 Stem-leaves oblong-lanceolate, acute, sparingly serrate or entire. 3-5 cm. long, ses- 

 sile, or the lower petioled; basal leaves and sometimes the lowest ones of the stem 

 spatulate, obtuse, sharply serrate, 5-10 cm. long, narrowed into margined petioles; 



