THISTLE FAMILY. 807 



ALABAMA: Tennessee Valley. Mountain region. Damp thickets. Lawrence 

 County, Monlton. Lauderdale County. Clay County, bottoms of Talladega Creek, 

 1,000 feet. Cullmau and Coosa counties. Lee County, Auburn. Frequent. Peren- 

 nial. 



Type locality : " Hab. in Virginia.' 7 



Herb. Geol. Surv. Herb. Mohr. 



BIDENS L. Sp. PI. 2 : 831. 1753. BUR MARIGOLD. 



About 65 species, temperate and warmer regions, chiefly American. North Amer- 

 ica, 12 or more. (Including Coreopsis, section Diodonta, Torr. & Gray.) 



Bideiis frondosa L. Sp. PI. 2 : 832. 1753. STICK-TIGHT. COMMON BEGGAR TICK. 



Ell. Sk. 2 : 431. Gray, Man. ed. 6, 284. Chap. Fl. 236. Gray, Syn. Fl. N. A. 1, pt. 

 2 : 296. Coulter, Coutr. Nat. Herb. 2 : 223. 



Canadian zone to Louisianian area. Nova Scotia to Saskatchewan, south to the 

 Gulf from Florida to Texas. 



ALABAMA: Over the State. Low rich soil, borders of fields. Common pernicious 

 weed. Annual. 



Type locality : " Hab. in America septentriouali." 



Herb. Geol. Surv. Herb. Mohr. 



Bidens laevis (L.) B. S. P. Prel. Cat. N. Y. 29. 1888. 



LARGE-FLOWERED BUR MARIGOLD. 



Helianthus laevis L. Sp. PI. 2 : 906. 1753. 



Bidens chrysanthemoides Michx. Fl. Bor. Am. 2 : 136. 1803. 



Ell. Sk. 2 : 429. Gray, Man. ed. 6, 285. Chap. Fl. 237. Gray, Syn. Fl. N. A. 1, pt. 

 2 : 296. Coulter, Contr. Nat. Herb. 2 : 223. 



MEXICO, SOUTH AMERICA. 



Canadian zone to Louisianian area. Nova Scotia, Ontario to Manitoba, west to 

 California, and south to Florida and western Texas. 



ALABAMA: Over the State. Muddy places, ditches, marshes. Flowers golden 

 yellow; October, November. Most abundant in the Coast plain. Annual. 



Type locality : " Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



Bidens leucantha Willd. Sp. PI. 3 : 1719. 1804. 



WHITE FLOWERED SPANISH NEEDLES. 



Chap. Fl. 237. Gray, Syn. Fl. N. A. 1, pt. 2 : 297. Gnseb. Fl. Bri t. \V. Ind. 373. 

 MEXICO, WEST INDIES to CHILE AND NEARLY ALL TROPICAL COUNTRIES. 

 Louisianian area. Southern Florida. 



ALABAMA: Coast plain. Fugitive on ballast. Mobile County, observed from 1889 

 to 1892. Kays white, disk yellow. Annual. 

 Type locality : " Hab. in America calidiore." 

 Herb. Geol. Surv. Herb. Mohr. 



Bidens bipinnata L.Sp. PI. 2:832. 1753. SPANISH NEEDLES. 



Ell. Sk. 2 : 432. Gray, Mau. ed. 6, 285. Chap. Fl. 237. Gray, Syu. Fl. N. A. 1, pt. 

 2 : 297. Coulter, Contr. Nat. Herb. 2 : 223. 



Carolinian and Louisianian areas. Southern New England, west to Ohio, Mis- 

 souri, and Arkansas, south from New York to Florida and Texas. 



ALABAMA: Over the State. Borders of fields, waste places. September, October. 

 Common in bottom lands; a troublesome weed. Annual. 

 Type locality : "Hab. in Virginia.'' 

 Herb. Geol. Surv. Herb. Mohr. 



Bidens coronata (L.) Fisch. ; Steud. Nom. Bot. ed. 2, 202. 1840. 



GOLDEN-FLOWERED COREOPSIS. 



Coreopsis coronata L. Sp. PI. ed. 2, 2 : 1281. 1763. 



C. aurea Ait. Hort. Kew. 3 : 252. 1789. 



C. mitis Michx. Fl. Bor. Am. 140. 1803. 



Ell. Sk. 2 : 440. Gray, Mau. ed. 6, 283. Chap. Fl. 233. Gray, Syn. Fl. N. A. 1, pt. 

 2:294. 



Carolinian and Louisianian areas. Virginia to Florida, west to Louisiana. 



ALABAMA: Lower Pine region. Coast plain. Shaded wet swamps. Mobile and 

 Baldwin counties. September, October; common. Annual. 



Type locality : " Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



