400 



COMPOSITAE. 



VOL. III. 



5. Euthamia tenuifolia (Pursh) Greene. Slender Fragrant Golden-rod. 

 Quobsque-weed. Fig. 4266. 



?Engeron carolinianum L. Sp. PI. 863. 1753. 



Solidago tenuifolia Pursh, Fl. Am. Sept. 540. 

 1814. 



E. tenuifolia Greene, Pittonia 5 : 77. 1902. 

 E. remota Greene, loc. cit. 78. 1902. 

 ?S. Moseleyi Fernald, Rhodora 10 : 93. 1908. 



Glabrous and somewhat resinous, seldom 

 over ii high, branched above. Leaves nar- 

 rowly linear, entire, acuminate, sessile, nar- 

 rowed 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 resi- 

 nous dots minute; heads about I*" high, 

 very numerous and crowded in the dense 

 nearly flat corymb ; involucre oblong-cam- 

 panulate, its bracts oblong; rays 6-12; disk- 

 flowers 4-6. 



In dry sandy soil, eastern Massachusetts to 

 Illinois, Wisconsin, Florida and Louisiana. Re- 

 ferred, in our first edition, to Euthamia caro- 

 liniana (L.) Greene, but the identity of 

 Erigercn carolinianum L. is doubtful. Aug.- 

 Oct. 



6. Euthamia minor (Michx.) Greene. 



Narrow-leaved Bushy Golden-rod. 



Fig. 4267. 



Solidago lanceolata minor Mich'x. Fl. Bor. Am. 2 : 

 1 1 6. 1803. 



Euthamia minor Greene, Pittonia 5 : 78. 1902. 

 Solidago minor Fernald, Rhodora 10 : 93. 1908. 



Glabrous, bushy-branched above, 3 high or 

 less. Leaves very narrowly linear, i -nerved, the 

 larger about 2\' long, not over i" wide, often 

 with tufts of smaller ones in the axils, the upper 

 much smaller, often not more than i" wide; 

 heads very numerous, short-stalked, or sessile ; 

 involucre cylindraceous, about 2" high, its yel- 

 lowish oblong bracts appressed, viscid; ray-flow- 

 ers about 10. 



In dry sandy soil, Virginia to Florida and Missis- 

 sippi. Sept.-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, sessile, in a terminal narrow spike-like thyrsus. 

 Involucre narrowly campanulate, its bracts coriaceous, imbricated in few series, the outer 

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

 perfect, their corollas tubular, somewhat expanded above, 5-cteft. Anthers obtuse and entire 

 at the base. Style-branches flattened, their appendages lanceolate. Achenes 8-io-ribbed. 

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

 referring to the pappus.] 



A monotypic genus of eastern North America. 



