THISTLE FAMILY. 799 



RATIBIDA Raf. Am. Month. Mag. 2 : 208. 1818. 

 (LEPACHYS Kaf. Journ. Phys. 89:100. 1819.) 



Four species, North America, chiefly southwestern. Atlantic, 1. 

 Ratibida pimiata (Vent.) Barnhart, Bull. Torr. Club, 24 : 110. 1897. 



lltidbeckia pinnata Vent. Jarcl. Gels. /. 71. 1800. 



Lepaclnjs pinnata Torr. & Gray, Fl. N. A. 2 : 314. 1842. 



Ell. Sk. 2 : 450. Gray, Man. ed. 6 7 277. Chap. Fl. 228. Gray, Syn. Fl. N. A. 1, pt. 2 : 

 263. 



Allcgheiiian to Louisianian area. Western New York to Michigan, Iowa, Minne- 

 sota, and Nebraska, south from Pennsylvania and the Ohio Valley to Arkansas, 

 Louisiana, Tennessee, and middle Florida. 



ALABAMA : Mountain region. Central Prairie region. Dry banks, borders of fields. 

 Madison County, Montesauo. Montgomery and Dallas comities. Hale County, pike 

 near Troy. Flowers cauarv-yellow, disk pale purplish. Not rare in the Central 

 Prairie belt. 



Type locality not ascertained. 



Herb. Geol. Surv. Herb. Mohr. 



BRAUNERIA Neck. Elem. 1 : 17. 1790. 

 ( KCHINACEA Moench, Meth. 591. 1794. ) 



Two species, perennials, Atlantic North America, chiefly Southern. 

 Erauneria purpurea (L.) Britton, Mem. Torr. Club, 5 : 334. 1894. 



BLACK SAMPSON. PURPLE CONE-FLOWER. 



JRudbeckia purpurea L. Sp. PL 2 : 907. 1753. 



Echinacea purpurea Moench, Meth. 591. 1794. 



Ell. Sk. 2 : 449. Gray, Man. ed. 6, 275. Chap. Fl. 226. Gray, Syn. Fl. N. A. 1, pt. 2 : 

 258. 



Carolinian and Louisianian areas. Virginia and Ohio Valley to Missouri, south to 

 Tennessee and Georgia, west to Louisiana and Arkansas. 



ALABAMA: Tennessee Valley to Central Pine belt. Open woods and prairies. 

 Lauderdale and Cullman counties. Tuscaloosa County (E. A. Smith). 



Type locality : "Hab. in Virginia, Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Braimeria pallida (Nutt.) Britton, Mem. Torr. Club, 5 : 333. PALE CONE-FLOWER. 



Rudbeckia pallida Nutt. Journ. Acad. Phila. 7 : 77. 1834. 



Echinacea angustifolia DC. Prodr. 5 : 554. 1836. 



Gray, Man. ed. 6, 275. Chap. Fl. 226. Gray, Syn. Fl. N. A. 1, pt.2:258. Coulter, 

 Contr. Nat. Herb. 2 : 214. 



Allegheniau and Carolinian areas. Manitoba, latitude 49 ; Minnesota, and Michi- 

 gan, west to Nebraska and Colorado, south from Tennessee to Georgia and Texas. 



ALABAMA: Central prairies. Hale County, Gallion. Flowers pink; June, July. 

 Rare. 



Type locality : "Arkansas. Collected by myself and Dr. Pitcher/' 



Herb. Geol. Surv. Herb. Mohr. 



TETRAGONOTHECA L. Sp. PL 2 : 903. 1753. 



Three species, perennials, North America. Atlantic, 1. 

 Tetragoiiotheca heliaiithoides L. Sp. PL 2 :903. FALSE SUNFLOWER. 



Ell. Sk. 2 : 407. Gray, Man. ed. 6, 274. Chap. FL 226. Grav, Syn. Fl. N. A. 1, pt. 2 : 

 255. 



Carolinian and Louisianian areas. Coast of Virginia, south to Florida and Missis- 

 sippi. 



ALABAMA: Central Pine belt to Lower Pine region. Bibb, Monroe, Baldwin, and 

 Mobile counties. Flowers in May and not rarely again in August. Frequent. 



Type locality : "Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



STEMMODONTIA Cass. Diet, Sci. Nat. 46 : 407. 1827. 



(WEDELIA Jacq. Enuui. PI. Carib. 8. 1760. Not Loefl. It. Hisp. 180. 1758.) 

 (NIEBUHRIA Neck. Elem. 1 : 30. 1790. Not Scop. Introd. 134. 1777.) 

 ( WOLLASTONIA DC. : Decsne. Nouv. Ann. Mus. Par. 3 : 414. 1834.) 

 About 50 species, tropical America. 



