THISTLE FAMILY. S17 
Carolinian and Louisianian 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. HLLioTr’s THISTLE. 
Cirsium horridulum var. elliottii 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 §° Earle). Montgomery County. Flowers purple (wine purple). Not 
common. Two to 3 feet high. 
Type locality: ‘‘Southern States, /lioft. Florida, Dr. Chapman!” 
Herb. Geol. Surv. Herb. Mohr. 
ae 
Carduus virginianus L. Sp. Pl. 2: 824. 1753. VIRGINIA THISTLE, 
Cirsium virginianum Michx. Fl. Bor. Am. 2:90. 18038. 
Cnicus rirginianus Pursh, Fl. Am. Sept. 2:506. 1814. 
EM. 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 fields. Talladega County, near Chandler Springs, rocky pine forests, 1,000 
feet altitude; Renfroe, 800 fect 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. P1.2: 824. 1753. TALL ‘THISTLE. 
Cnicus altissimus Willd. Sp. Pl. 3:1671. 1804. 
Cirsium altissimum Spreng. Syst. 3:373, 1826. 
El. 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. 
varolinian 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. 4. Smith). Lee County, Auburn (Larle). Flow- 
ers purple; September, October. Not common. 
Type locality: ‘ Hab. in Carolina.” 
Herb. Geol. Surv. Herb. Mohr. 
Carduus glaber Nutt. Gen, 2:120. 1818. SmMootit THISTLE, 
Cnicus glaber EM. Sk. 2:270. 1824. 
Cirsium nuttallii DC. Prodr. 6: 651. 1836. 
El. 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, F1.N.A.2:458. 1843. 
Lonisianian area. Georgia to eastern Louisiana. 
ALABAMA: Coast plain. Low damp pine barrens. Mobile County. Flowers 
greenish yellow; July. Not rare. Involuere very viscid. 
Type locality: “Georgia, Leconte!’ Covington, Louisiana, Drummond!” 
Herb. Geol. Surv. Herb. Mohr. 
Carduus arvensis (L.) Robs. Brit. F1.163, 1777. CANADA OR CURSED THISTLE. 
Serratula arvensis L. Sp. Pl. 2:820. 1753. 
Cirsium arvense Scop. Fl. Car. ed. 2,2:126. 1772. 
Cnicus arrensis Hottm. 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 
