;i6 



COMPOSITAE. 



[Vol. III. 



Lacinaria squarrosa intermedia (Lindl.) Porter, Mern. Torr. Club, 5: 314. 

 Liatris intermedia Lnidl. Bot. Reg. pi. 94S. 1825. 

 Liatris squarrom var. intermedia DC. Prodr. 5: 129. 1836. 



Heads narrower; tips of the bracts less spreading. With the type. 



1894. 



2. Lacinaria cylindracea (Michx.) 



Kuntze. Cylindric Blazing Star. 



(Fig. 3637.) 



Liatris cylindracea Michx. Fl. Bor. Am. 2: 93. 



1803. 

 Liatris graminifolia Willd. Sp. PI. 3: 1636. 



1804. 

 Lacinaria cylindracea Kuntze, Rev. Gen. PI. 



349. 1891. 



Glabrous or nearly so, stout, i-i^ high, 

 sometimes branched above. Leaves narrowly 

 linear, rigid, scarcely punctate, 2> / -~ / long, 

 j//_ 2 // w ide; heads several or numerous, 

 peduncled, or the lower sessile, turbinate- 

 cylindric, y 2 '-i' high, 4 // -6 // thick, 15-60- 

 flowered; bracts of the involucre imbricated 

 in 5 or 6 series, broadly oval, appressed, ab- 

 ruptly acuminate at the apex; flowers purple; 

 pappus very plumose. 



In dry soil, western Ontario to Minnesota, south 

 to Illinois and Missouri. July-Sept. 



3. Lacinaria elegans (Walt.) Kuntze. 

 Handsome Blazing Star. (Fig. 3638.) 



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 / -5 / 



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



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



,"-*]" 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 lanceolate acuminate rose-colored 



petaloid tips, or sometimes white; pappus very 



plumose; flowers purple. 



In dry soil, Virginia to Florida, Alabama and 

 Texas. Aug.-Oct. 



4. Lacinaria punctata (Hook.) Kuntze. 

 Dotted Button-Snakeroot. (Fig. 3639.) 



Liatris punctata Hook. Fl. Bor. Am. 1: 306. pi. 55. 



1833. 

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



Glabrous, or sparingly pubescent, 6 / ~30 / high; 

 rootstock stout, branching, or globose. Leaves 

 linear, rigid, very punctate, 2 / -6 / long, about 1" 

 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 cam- 

 panulate, acute or acutish at the base, its bracts ob- 

 long, 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 and Manitoba to Montana, south 

 to Missouri, Texas, New Mexico andSonora. Aug.-Oct. 



