3 66 



COMPOSITAE. 



VOL. III. 



3. Lacinaria elegans (Walt.) Kuntze. 

 Handsome Blazing Star. Fig. 41/9. 



Stoepelina elegans Walt. Fl. Car. 202. 1788. 

 Liatris elegans Willd. Sp. PI. 3: 1635. 1804. 

 Lacinaria elegans Kuntze, Rev. Gen. PI. 349. 1891. 



Densely and finely pubescent, rarely glabrate, 

 2-3 high. Leaves linear, very punctate, i'-s' 

 long, i "-3" wide, the upper much smaller than 

 the lower and soon reflexed ; heads 4-5-flowered, 

 6"-7" high, narrowly campanulate, very numerous 

 in a dense spike or raceme sometimes a foot long ; 

 bracts of the involucre in 2 or 3 series, the inner 

 ones linear, dilated above into oblong or lanceo- 

 late acuminate rose-colored petaloid tips, or some- 

 times white; pappus very plumose; flowers purple. 



In dry soil, Virginia to Florida, Alabama, Arkan- 

 sas and Texas. Aug.-Oct. 



4. Lacinaria punctata (Hook.) Kuntze. 

 Dotted Button-Snakeroot. Fig. 4180. 



Liatris punctata Hook. Fl. Bor. Am. i : 306. pi. 55. 1833. 

 Lacinaria punctata Kuntze, Rev. Gen. PI. 349. 1891. 



Glabrous, or sparingly pubescent, 6'-3o' high ; root- 

 stock stout, branching, or globose. Leaves linear, 

 rigid, very punctate, 2'-6' long, about i" wide, or 

 the lower 2", the upper gradually shorter, all erect 

 or ascending ; heads 3-6-flowered, 6"-8" long, sessile, 

 crowded into a dense spike; spike commonly leafy 

 below ; involucre narrowly campanulate, acute or 

 acutish at the base, its bracts oblong, cuspidate or 

 acuminate, often ciliate on the margins, sometimes 

 woolly, imbricated in 4 or 5 series ; flowers purple ; 

 pappus very plumose. 



In dry soil, Minnesota to Manitoba, Saskatchewan, 

 Montana, Missouri, Texas, New Mexico and Sonora. 

 Recorded from Ohio. Aug.-Oct. 



5. Lacinaria acidota (Engelm. & Gray) Kuntze. 

 Slender Button-Snakeroot. Fig. 4181. 



Liatris acidota Engelm. & Gray, Bost. Journ. Nat. Hist. 5 : 

 218. 1847. 



Lacinaria acidota Kuntze, Rev. Gen. PI. 349. 1891. 



Similar to the preceding species, but usually glabrous 

 throughout, the rootstock globose, or elongating. Stem 

 2 high, or less, slender. Leaves narrowly linear, \"-\" 

 wide, or the lower wider, slightly punctate, i'-4' long, 

 the upper gradually shorter; spike slender, naked, or 

 sparingly leafy at the base, 4'-io' long; heads 3-5-flow- 

 ered, 6"-g" long; involucre narrowly oblong-campanulate, 

 its bracts oblong to ovate-lanceolate, more or less punc- 

 tate, abruptly or gradually acuminate ; glabrous or 

 sparingly ciliate; flowers purple; pappus plumose. 



Prairies, Kansas to Arkansas and Texas. Aug.-Oct. 



