Genus 22.] 



THISTLE FAMILY. 



335 



11. Solidago puberula Nutt. 

 Downy Golden-rod. (Fig. 3681.) 



Solidago puberula Nutt. Gen. 2: 162. 1818. 

 Minutely puberulent, or glabrous, visu- 

 ally simple, rather slender, i^-3 high, 

 leafy. Stem leaves oblong-lanceolate, 

 acute, sparingly serrate or entire, i / -2 / ' 

 long, sessile, or the lower petioled, basal 

 leaves and sometimes the lowest ones 

 of the stem spatulate, obtuse, sharply 

 serrate, i'-\' long, narrowed into mar- 

 gined petioles; heads 2} // -3 // high, 

 in a terminal, often leafy thyrsus, the 

 branches of which are spreading or as- 

 cending; bracts of the involucre subu- 

 late, very acute; achenes glabrous; heads 

 rarely a little secund. 



In sandy soil, New Brunswick to Florida 

 and Mississippi, near the coast and on sand- 

 stone rocks in the Appalachian mountain 

 system. Aug. -Sept. 



12. Solidago LindheimerianaScheele. 



Iyindheimer's Golden-rod. (Fig. 3682.) 



Solidago Lindheimeriana Scheele, Linnaea, 21 : 

 599. 1848. 



Scabrous, simple, i^-3 high, leafy, rather 

 stout and rigid. Leaves oblong, oblong- 

 lanceolate or oval, acute or acutish at the 

 apex, narrowed or rounded at the base, all 

 entire, thickish, rough on both surfaces, 

 sessile or the lowest petioled; heads about 3 // 

 high in a terminal, often short thyrsus; bracts 

 of the involucre acute or the outer obtuse, 

 puberulent; achenes nearly glabrous. 



Southern Kansas (according to Watson and 

 Coulter) to Texas, Arizona and northern Mexico. 

 Aug.-Nov. 



Solidago Bigelovii A. Gray, Proc. Am. Acad. 16: 80, 

 another southwestern species, which is rougher 

 than this one, and with oval or oblong leaves ob- 

 tuse or obtusish at both ends, is reported from 

 Kansas. 



13. Solidago stricta Ait. Wand-like 



or Willow-leaf Golden-rod. 



(Fig. 3683.) 



Solidago stricta Ait. Hort. Kew. 3: 216. 1789. 

 5*. virgata Michx. Fl. Bor. Am. 2: 117. 1803. 



Glabrous throughout, slender, erect, simple, 

 2-8 high. Basal and lowest stem leaves 

 oblong, or somewhat spatulate, with few lat- 

 eral veins, obtuse, entire, or very sparingly 

 dentate, s'-W long, Yz'-i' wide, narrowed 

 into long petioles; upper stem leaves ab- 

 ruptly smaller, narrowly oblong, spatulate 

 or linear, appressed, the uppermost very 

 small and bract-like;heads about 3" high in a 

 dense simple, or sometimes branched, naked 

 thyrsus; bracts of the involucre oblong, ob- 

 tuse, or the inner acutish; achenes glabrous, 

 or sparingly pubescent. 



In wet sandy pine-barrens, New Jersey to Flor- 

 ida and Louisiana. Also in Cuba. Aug.-Oct. 



