THISTLE FAMILY. 817 



Carolinian and Lonisianian areas. Coast southern New England to Florida and 

 Texas. 



ALABAMA: Central Prairie region to Coast plain. Low rich ground, borders of 

 woods. Montgomery, Mobile, and Baldwin counties. Flowers yellow; March, 

 April. Six to 8 feet. Common; prevailing in the coast region. Perennial. 



Type locality : South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



Carduus spinosissimus elliottii (Torr. & Gray) Porter, Mem. Torr. Club, 5 : 345. 

 1894. ELLIOTT'S THISTLE. 



Cirsium horridulum var. elliottU Torr. & Gray, Fl. N. A. 2, pt. 1 : 460. 1843. 



Ell. Sk. 2 : 272. 



Carolinian and Louisianian areas. North Carolina to Georgia and Florida. 



ALABAMA : Mountain region to Central Prairie belt. Dry light soil. Pastures, 

 openings in the woods, waysides. Cullman and Tuscaloosa counties. Lee County, 

 Auburn (Baker <f Earle}. Montgomery County. Flowers purple (wine purple). Not 

 common. Two to 3 feet high. 



Type locality : " Southern States, Elliott. Florida, Dr. Chapman!' 1 



Herb. Geol. Surv. Herb. Mohr. 



Carduus virginianus L. Sp. PI. 2:824. 1753. VIRGINIA THISTLE. 



Cirsium virginianum Michx. Fl. Bor. Am. 2 : 90. 1803. 



Cnicm rirginianus Pursh, Fl. Am. Sept. 2 : 506. 1814. 



Ell. Sk. 2 : 270. Gray, Man. ed. 6, 296. Chap. Fl. 247. Gray, Syn. Fl. N. A. 1, pt. 

 2 : 404. Coulter, Contr. Nat. Herb. 2 : 244. 



ALABAMA: Mountain region to Coast plain. Dry open woods. Cullman County, 

 dry iields. Talladega County, near Chandler Springs, rocky pine forests, 1,000 

 feet altitude; Kenfroe, 800 feet altitude. Bibb and Mobile counties. Flowers pur- 

 ple; August to October. Not common. 



Type locality : " Hab. in. Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



Carduus altissimus L. Sp. PL 2 : 824. 1753. TALL THISTLE. 



Cnicus altissimus Willd. Sp. PI. 3 : 1671. 1804. 



Cirsium altissimum Spreng. Syst. 3 : 373. 1826. 



Ell. Sk. 2 : 268. Gray, Man. ed. 6, 296. Chap. Fl. 247. Gray, Syn. Fl. N. A. 1, pt. 2 : 

 404. Coulter, Contr. Nat. Herb. 2: 243. 



Carolinian and Louisianian areas. Pennsylvania, Ohio to Missouri, south to 

 Tennessee and Georgia, west to Louisiana and Texas. 



ALABAMA: Mountain region to Coast plain. Damp thickets. Clay County, Shin- 

 bone Valley. Chambers County (E. A. Smith). Lee County, Auburn (Earle). Flow- 

 ers purple; September, October. Not common. 



Type locality : " Hab. in Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Carduus glaber Nutt. Gen. 2 : 129. 1818. SMOOTH THISTLE. 



Cnicus glaber Ell. Sk. 2 : 270. 1824. 

 Cirsium nuttallii DC. Prodr. 6 : 651. 1836. 



Ell. Sk. 2 : 270. Chap. Fl. 247. Gray, Syn. Fl. N. A. 1, pt. 2 : 404. 

 Carolinian and Louisianian areas. South Carolina and Florida to Mississippi. 

 ALABAMA : Littoral region. Dry pine woods. Mobile County, Dauphin Island. 

 Type locality : " Hab. in New Jersey." 

 Herb. Geol. Surv. Herb. Mohr. 



Carduus lecontei (Torr. & Gray) Pollard, Bull. Torr. Club, 24 : 157. 1897. 



Cirsium lecontei Torr. & Gray, Fl. N. A. 2 : 458. 1843. 



Louisianian area. Georgia to eastern Louisiana. 



ALABAMA: Coast plain. Low damp pine barrens. Mobile County. Flowers 

 greenish yellow; July. Not rare. Involucre very viscid. 



Type locality : " Georgia, Leconte! Covington, Louisiana, Drummond! " 



Herb. Geol. Surv. Herb. Mohr. 



Carduus arvensis (L.) Robs. Brit. Fl. 163. 1777. CANADA OR CURSED THISTLE. 

 Serratula arvensis L. Sp. PI. 2 : 820. 1753. 

 Cirsium arvense Scop. Fl. Car. ed. 2, 2 : 126. 1772. 

 Cnicus arrensis Hoftin. Deutsch. Fl. ed. 2, 1, pt. 2 : 130. 1804. 

 Gray, Man. ed. 6, 296. Gray, Syn. Fl. N. A. 1, pt. 2 : 398. 



15894 52 



