Genus 22.] 



THISTLE FAMILY 



23. Solidago rugdsa Mill. Wrinkle- 

 leaved, or Tall Hairy Golden-rod. 

 Bitter-weed. (Fig. 3693.) 



5". rugosa Mill. Gard. Diet. Ed. 8, No. 25. 1768. 

 Solidago altissima Ait. Hort. Kew. 3:212. 1 789. 



Stetu hirsute, usually stout, i-7^ high, 

 simple, or branched at the summit. Leaves 

 rather thin, more or less pubescent or sca- 

 brous, oval or oblong-lanceolate, acute or 

 acuminate (rarely obtusish) at the apex, nar- 

 rowed at the base, rugosely veined on the 

 lower surface, sharply serrate, i'-^' long, 

 4 // -i8 // wide, sessile, or the lowest sometimes 

 tapering into petioles; heads ij4"-2" high, 

 secund on the spreading or recurving, often 

 leafy branches of the usually large and com- 

 pound panicle; bracts of the involucre linear, 

 obtuse or obtusish. 



Usually in dry soil, in fields and along road- 

 sides, Newfoundland to western Ontario, south 

 to Florida and Texas. Very variable. July- 

 Nov. 



25. Solidago patula Muhl. Rough- 

 leaved or Spreading Golden-rod. 

 (Fig. 3695.) 



Solidago palula Muhl.; Willd. Sp. PI. 3: 2059. 



1804. 



Stem stout, rather rigid, usually simple, 

 glabrous, or sometimes puberulent above, 2- 

 7 high. Leaves thick, glabrous below, ex- 

 ceedingly rough above, pinnately veined, the 

 lower and basal ones very large, 3 / -i6 / long, 

 l/^ / -5 / wide, oval or elliptic, narrowed into 

 margined petioles, the upper smaller, oval or 

 oblong, sessile, acute, finely serrate, or the 

 uppermost entire; heads 3 // -4 // high, secund 

 on the widely spreading and recurving 

 branches of the loose panicle; rays small; 

 bracts of the involucre linear-oblong.obtuse. 



In swamps, Maine and Ontario to Minnesota, 

 south to Georgia, Missouri and Texas. Ascends 

 to 5000 ft. in North Carolina. Stem strongly 

 angled, at least below. Aug. -Oct. 



24. Solidago fistulosa Mill. Pine 

 Barren Golden-rod. (Fig. 3694.) 



Solidago fistulosa Mill. Gard. Diet. Ed. 8, No. 



19. 1768. 

 Solidago pilosa Walt. Fl. Car. 207. 1788. Not 



Mill. 1768. 



Stem rather stout, simple, or branched 

 above, 3-7 high, hirsute. Leaves numer- 

 ous, sessile, ovate-oblong, oblong-lanceolate, 

 or sometimes lanceolate, thick, rough or 

 hirsute on the margins and mid-rib beneath, 

 the upper small, obtuse or obtusish, entire, 

 the lower sparingly serrate, obtuse or acute, 

 i / -4 / long with a broad base; heads about 2" 

 high, secund on the spreading or recurving 

 branches of the panicle; rays 7-10, small; 

 bracts of the involucre, at least the outer, 

 acute. 



In moist pine-barrens, New Jersey to Florida 

 and Louisiana. Aug.-Oct. 



