THISTLE FAMILY. 799 



RATIBIDA Raf. Am. Month. Mag. 2 : 2(18. 1818. 

 (Lei'achys Kaf. .Touru.Phys.89:100. 1819.) 

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

 Ratibida pinnata ( Vent. ) Barnliart, Bull. Torr. Club, 24 : 410. 1897. 



Hiidbeclia pi)inata Xent.Jard.Cels. i. 71. 1800. 



Lepiuhys pinnata Torr. it Gray, Fl. N. A. 2 : 314. 1842. 



Ell. Sk. 2 : 450. Gray, Man. ed. 6. 277. Chap. Fl. 228. Gray, Svn. Fl. X. A. 1. pt. 2 : 

 263. 



Alleghenian to Louisianiau area. Western Xew York to Michigan, Iowa, Minne- 

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

 Louisiana. Tennes.see, and middle Florida. 



Ai.ABAAiA :■ Mountain region. Central Prairie region. Dry banks, borders of (ields. 

 Madison County, Moutesano. Montgomery and Dallas counties. Hale County, pike 

 near Troy. Flowers canary-yellow, disk pale pdrplish. Not rare in the Central 

 l'i"airic belt. 



Type locality not ascertained. 



Herb. Geol. hjnrv. Herb. Mohr. 



BRAUNERIA Neck. Elem. 1 : 17. 1790. 

 ( KCHIXACEA iloench. Meth. 591. 1794.) 



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

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



Black Sampson. Purple Conk-flower. 



Budheclta purpurea L. Sp. PI. 2 : 907. 1753. 



Echinacea purpurea Moeuch, ^leth. .591. 1794. 



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

 258. 



Carolinian and Louisianian areas. Virginia and Ohio ^'alley to Missouri, south to 

 Tennessee and (leorgia, west to Louisiana and Arkansas. 



Alabama: Tennessee Valley to Central Pine belt. Open woods and 2)rairies. 

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



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



Herb. Geol. Surv. Herb. Mohr. 



Brauiieria pallida (Nutt.) Britton, Mem. Torr. Club, 5 : 333. P \LE Coxe-flower. 



Rudbeclia pallida Nutt. .Tourn. Acad. Phila. 7 : 77. 1834. 



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



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

 Contr^Nat. Herb.2:214. 



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

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



Alabam.\: ("entral inairies. Hale County, Galliou. Floweis pink; .Tuul-, July. 

 Rare. 



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



Herb. (leol. Surv. Herb. Mohr. 



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



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

 Tetragonotheca helianthoides L. Sp. PI. 2 :903. False Sinflower. 



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

 255. 



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

 sippi. 



Alabama: Central Pine bidt to Lower Pine region. Bibb, Monroe, Baldwin, and 

 Mobile counties. Flowers in May and not r.irely again in August. Frequent. 



Tvpe locality : '''Hab.in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



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



(Wedelia Jacq. Enum. PL Carib. 8. 1760. Not Loell. It. Hisp. 180. 1758.) 

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

 (WoLLASTONMA DC. ; Decsuc. Nouv. Ann. Mus. Par. 3 : 414. 1834.) 

 About 50 species, tropical America. 



