THISTLE FAMILY. 817 
' Carolinian and Lonisianian areas. Coast southern New England to Florida and 
exas, 
ALABAMA: Central Prairie region to Coast plain. Low rich ground, borders of 
ey rare Anan Peake and Pew counties. Flowers yellow; March, 
pri, Six to 8 feet. Common; prevailing in the coast region. Perennial. 
Type locality: South Carolina. = 2 ire 
Herb. Geol. Surv, Herb. Mohr. 
Carduus spinosissimus elliottii (Torr. & Gray) Porter, Mem. Torr. Club, 5: 345. 
= 1894. ELLiot?’s THISTLE. 
Cirsium horridulum var. elliottii Torr. & Gray, F1.N. A. . 1: 460. 3. 
aioe ae y, FIN. A. 2, pt.1:460. 1843 
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 §: Earle). Montgomery County. Flowers purple (wine purple). Not 
common. Two to 3 feet high. 
Type locality: ‘Southern States, Llliott. Florida, Dr. Chapman!” 
Herb. Geol. Surv. Herb. Mohr. 
Carduus virginianus L. Sp. Pl. 2: 824. 1753. VIRGINIA THISTLE. 
Cirsium virginianum Michx. F1. Bor. Am. 2:90. 1803. 
Cnicus virginianus Pursh, Fl. Am. Sept. 2:506. 1814. 
Ell. Sk,2:270. Gray, Man. ed. 6,296. Chap. F 1. 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 fields, Talladega County, near Chandler Springs, rocky pine forests, 1,000 
feet altitude; Rentroe, 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. Pl. 3:1671. 1804. 
Cirsium altissimum Spreng. Syst. 3: 373. 1826. 
Ell. Sk.2:268. Gray, Man. ed. 6,296. Chap. F1.247. 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 (£. 4. Smith). Lee County, Auburn (£arle). 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 TUISTLE. 
Cnicus glaber Ell. Sk. 2: 270. 1824. 
Cirsium nuttallii DC. Prodr. 6:651. 1836. 
Ell. Sk. 2:270. Chap. Fl. 247. Gray, Syn. F1.N. A. 1, pt. 2: 404. etek 
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 lecontet 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. Notrare. 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. Pl. 2: 820. 1753. 
Cirsium arvense Scop. FI. Car. ed. 2,2:126. 1772. 
Cnicus arvensis Hotim. Deutsch. Fl. ed. 2,1, pt. 2: 130, 1804. 
Gray, Man. ed. 6,296. Gray, Syn. Fl. N. A. 1, pt. 2: 398. 
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