39 6 



I ' iMI'OSITAE. 



Vol. III. 



43. Solidago mollis Bartl. Velvety or Ground 

 Golden-rod. Fig. 4255. 



Solidago mollis Bartl. Ind. Sem. Goett. 5. 1836. 



Solidago incana T. & G. Fl. N. A. 2 : 221. 1841. 



Solidago nemoralis var. incana A. Gray, Proc. Am. Acad. 

 17: 197. 1882. 



Stein rigid, stout, low, canescent or slightly scabrous, 

 6'-u' high. Leaves pale, canescent or rough, entire or 

 dentate, strongly 3-nerved, oblong, ovate or oblanceo- 

 late, the lower petioled, 2 '-3' long, $"-12" wide, very 

 obtuse, the upper sessile, smaller ; heads 2"-3" high, 

 somewhat or scarcely secund on the short branches of 

 the erect, scarcely one-sided, dense thyrsoid panicle ; 

 bracts of the involucre oblong, obtuse or acutish ; rays 

 5-9; achenes pubescent. 



Dry plains, Minnesota to Manitoba, Assiniboia, Kansas, 

 Texas and Mexico. July-Sept. 



44. Solidago radula Nutt. Western Rough 

 Golden-rod. Fig. 4256. 



Solidago radula Nutt. Journ. Acad. Phila. 7: 102. 1834. 



Stem rough-pubescent, rather slender, i-3 high. 

 Leaves thick, green, rough on both sides, the lower 

 oblanceolate or spatulate, dentate-crenate, obtuse or 

 acutish, petioled, 3-8' long, 6"-2o" wide, obscurely 

 3-nerved, the upper smaller, oblanceolate, entire or 

 nearly so, sessile, distinctly 3-nerved, the uppermost 

 very small ; heads 2"s" high, secund on the short, 

 usually somewhat recurved branches of the dense, 

 often one-sided panicle; bracts of the involucre ob- 

 long or linear-oblong, obtuse; rays 3-7, very short; 

 achenes minutely pubescent. 



In dry soil, Illinois to Missouri, Louisiana and Texas. 

 Aug.-Sept. 



45. Solidago Drummondii T. & G. 



Drummond's Golden-rod. Fig. 4257. 



Solidago Drummondii T. & G. Fl. N. A. 2: 217. 

 1841. 



Stem rather slender, l-3 high, finely soft- 

 pubescent. Leaves rather thin, broadly ovate 

 or oval, glabrous or nearly so above, finely, 

 but sometimes sparingly, pubescent, or rough- 

 ish beneath, sharply serrate, acute at the apex, 

 narrowed at the base, 3-nerved and pinnately 

 veined, petioled. or the upper sessile, the larger 

 3'-4' long, 1V-2' wide; heads 2"-2\" high, 

 secund on the usually few. spreading or re- 

 curving branches of the panicle; bract-like 

 upper leaves obtuse, or acute, entire; rays 4-6. 

 conspicuous; bracts of the involucre oblong- 

 lanceolate, obtuse ; achenes pubescent. 



In rocky soil, Illinois to Louisiana and Mis- 

 souri. Sept. -Oct. 



