348 



COMPOSITAE. 



[Vol.. III. 



2. Euthamia leptocephala (T. & 



G.) Greene. Western Bush?- 



Golden-rod. (Fig. 3719.) 



Solidago leptocephala T. & G. Fl. N. .\. 2: 

 226. 1841. 



Euthamia leptocephala Greene, Mem. Torr. 

 Club, S: 321. 1894. 



Stem much branched, smooth, i^°-2)4° 

 high. I<eaves linear to linear-lanceolate, 

 acuminate or acute at each end, i-nerved, 

 or with a pair of indistinct lateral nerves, 

 rough-margined, those of the stem usually 

 2'-3' long, 2"-3" wide; heads 2"-3" 

 high, rather narrower than those of the 

 preceding species, sessile in the clusters 

 of the flat-topped iuflorescence; bracts of 

 the involucre linear-oblong; disk-flowers 

 3 or 4; raj^-fiowers 7-10. 



In moist soil, Missouri to Louisiana and 

 Texas. Aug.-Oct. 



Euthamia Caroliniana (L.) Greene. Slender Fragrant Golden-rod. 



(Fig. 3720.) 



Caroliniantim I.. Sp. PI. 863. 

 Fl. Am. Sept. 

 Mem. Torr. 



ErigeroH 



1753- 

 Solidago tenui/olia Pursli 



540. 1814. 

 Euthamia Caroliniana Greene 



Club, 5: 321. 1S94. 



Resembles the preceding species but is 

 smaller, glabrous and somewhat resinous, 

 seldom over i%° high. Leaves narrowly 

 linear, entire, acuminate, sessile, narrowed 

 at the base, i-nerved or with an additional 

 pair of faint lateral nerves, i'-3' long, 

 i"-2" wide, punctate, often with smaller 

 ones clustered in the axils, the resinous 

 dots minute; heads about i,!^" high, very 

 numerous and crowded in the dense 

 corymbose cyme; involucre oblong-cam- 

 pauulate, its bracts oblong; rays 6-12; 

 disk- flowers 4-6. 



In dry sandy soil, eastern Massachusetts 

 to Illinoi."!, Florida, Louisiana and Texas, 

 mainly near the coast. Aug.-Oct. 



24. BRACHYCHAETA T. & G. Fl. N. A. 2: 194. 1841. 



An erect, perennial herb, with the aspect of a Golden-rod. Leaves alternate, the lower 

 and basal ones large, cordate, long-petioled, the upper ovate, short-petioled or sessile. , Heads 

 composed of both tubular and radiate flowers, in a terminal narrow spike-like thyrsus.' Invo- 

 lucre narrowly campanulate, its bracts coriaceous, imbricated in few series, the outer suc- 

 cessively smaller. Receptacle small, naked. Rays small, yellow, pistillate. Disk-flowers 

 perfect, their corollas tubular, somewhat expanded above, 5-cleft. Anthers obtuse and en- 

 tire at the base. Style-branches flattened, their appendages lanceolate. .'\chenes S-io- 

 ribbed. Pappus a single row of scale-like bristles, shoiter than the achene. [Greek, short- 

 bristle, referring to the pappus.] 



\ raonotypic genus of eastern North America. 



