THISTLE FAMILY. 819 



ALABAMA: Metamorphic hills and Central Prairie region. Pastures, waste places. 

 Montgomery County, copious. Lee County, Auburn, perfectly naturalized. Flowers 

 white; April. Annual? 



Type locality: "Hab. in Chio, Lemno, Hispania ad versuraa agrorum." 



Herb. Geol. Surv. Herb. Mohr. 



CENTAUREA L. Sp. P1.2: 909. 1753. CENTAURKA. 



About 350 species, Old World, European Asia. 



Centaurea calcitrapa L. Sp. PI. 2 : 917. 1753. STAR THISTLE. 



Gray, Man. ed. 6, 297. Gray, Syn. Fl. N. A. 1, pt. 2 : 406. 

 EUROPE. 



Adventive in seaports from New York southward. 



ALABAMA: Fugitive on ballast. Mobile County. Flowers red; August. Annual. 

 Type locality: "Hab. in Helvetia, Anglia, et Europa australiori secus vias." 

 Herb. Geol. Surv. Herb. Mohr. 



Centaurea melitensis L. Sp. PI. 2 : 917. 1753. LOMBARDY STAR THISTLE. 



Wats. Bot. Calif. 1 : 420. 

 MEDITERRANEAN EUROPE. 

 Adventive in California. 



ALABAMA: Fugitive on ballast. Mobile County. Flowers yellowish ; June. 

 Type locality : " Hab. in Melita." 

 Herb. Geol. Surv. Herb. Mohr. 



THYRSANTHEMA Neck. Eleiii. 1 : 6. 1790. 

 (CHAPTALIA Vent. Jard. Cels. t. 61. 1800.) 



Eight species, wnrmer America. South Atlantic North America, 1. 



Thyrsanthema semiflosculare (Walt.) Kuntze, Rev. Gen. PI. 1 : 369. 1891. 



VERNAL CHAPTALIA. 



Perdiciinn semiflosculare Walt. Fl. Car. 204. 1788. 



Tussilayo integri folia Michx. Fl. Bor. Am. 2 : 121. 1803. 



Chaptalia tomentosa Vent. Jard. Cels. t. 61. 1800. 



C. integrifolia Nutt. Gen. 182. 1818. 



Ell. Sk. 2:459. Chap. Fl. 248. Gray, Syn. Fl. N. A. 1, pt. 2 : 408. Coulter, Contr. 

 Nat. Herb. 2 : 245. 



Louisiauian area. South Carolina to Florida, west to Texas. 



ALABAMA: Lower Pine region. Coast plain. Flat damp pine barrens. Mobile 

 and Baldwin counties. Flowers white, purple tinged; February, March. Common. 

 Perennial. 



Type locality : South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



