810 PLANT LIFE OF ALABAMA. 



dilated ut the throat; pappus scales acute; achenes ribbed, very hairy ; chart' of the 

 receptacle linear, acute. 



Carolinian area. Georgia. (Lookout Mountain, Huth, 638 and 662.) 



ALABAMA: Mountain region. Cullinan County. Springy places, grassy Blades. 

 Flowers pale lilac-purple. June. Mature achenes August 14, 1893. 



Type locality : " The type specimen was collected by Dr. Charles Mohr * * 



at Cullman, Cullinan County, Alabama, June 24, 1893. 



Herb. Geol. Surv. Herb. Biltmore (type specimen). 



PLAVERIA Juss. Gen. PI. 186. 1789. 

 (BROTERA Spreng. Schrad. Journ. Bot. 180O, pt. 2 : 186, t. 5. 1801.) 



About 7 species, tropical America. North America, 5. Lower Sonoran area (Tex- 

 ano-Mexican region). 



Flaveria trinervia (Spreng.). CONTRAYERBA. 



Oedera trinei-via Spreng. Bot. Gart. Halle, 63. 1800. 



Brotera contrayerra Spreng. Schrad. Journ. Bot. 1800, pt. 2 : t. , r >. 1801. Not Milleria 

 conlrayerva Cav. Icon. 1:2, t. 4. 1791. 



Nanenbnrgia trinerrata Willd. Sp. PL 3 : 2393. 1803. 



Brotera trinervata I'ers. Syn. 2 : 498. 1807. 



Flare) ia repancla Lag. Gen. & Sp. Nov. 33. 1816. 



Gray, Syn. b 1. N. A. 1, pt. 2 : 354. Coulter, Contr. Nat. Herb. 2 : 235. 



MEXICO, AKGENTINA. 



Louisianian area. Western Texas and Arizona to Mexico. 



ALABAMA: Adventive with ballast. Mobile County ; frequently observed. Annual. 



Type locality (Spreng. Schrad. Journ.) : " Um Huanuco in Peru." 



Herb. Geol. Surv. Herb. Mohr. 



HYMENOXYS Cass. Diet. Sci. Nat. 55 : 278. 1828. 

 Three species, South American herbs. 



Hymenoxys aiithemoides (Juss. ) Cass. Diet. Sci. Nat. 55 : 278. 1828. 

 Hymenopappvs anthemoides Juss. Ann. Mus. Par. 2 : 426. 1803. 

 BUENOS AYHES. 



ALABAMA: Adventive on ballast. Mobile County. Flowers yellow; July, August. 

 Type locality : "Ex Bonaria." 

 Herb. Geol. Surv. Herb. Mohr. 



HELENIUM L. Sp. PL 2 : 886.. 1753. 



About 25 species, biennial or perennial herbs, Mexico. North America, 20; At- 

 lantic, 11. 



Helenium tenuifolium Nutt. Journ. Acad. Phila. 7 : 66. 1834. BITTERWEED. 



Chap. FL 239. Gray, Syn. Fl. N. A. 1, pt. 2: 347. Coulter, Contr. Nat. Herb. 2 : 231. 



Carolinian and Louisiauian areas. Arkansas, Texas, and Louisiana to Alabama and 

 North Carolina. 



ALABAMA : Central Prairie region to Coast plain. Waste places, roadsides. Bla- 

 den Springs, July, 1859. Common. Mobile County, apparently adventive from the 

 Southwest. Now natural i/ed from the coast to the northern limit of the Central 

 Pine belt, along the railroads in great abundance, infesting pastures, waste lands, 

 waysides. One of the most obnoxious of weeds. July to October. Perennial. 



Type locality: ''The States of Mississippi and Alabama. " 



Herb. Mohr. 



Helenium nudiflorum Nutt. Trans. Am. Phil. Soc. n. ser. 7 : 384. 1841. 



Low SNEEZE WKED. 



Leptopoda brachypoda Ton. & Gray, Fl. N. A. 2 : 388. 1842. 



Gray, Man. ed. 6, 287. Chap. Fl. 240. Gray, Syn. Fl. N. A. 1, pt. 2: 349. Coulter. 

 Contr. Nat. Herb. 2: 2S2. 



Carolinian and Louisianian areas. Southwestern Illinois to Arkansas and Texas, 

 eastward to Florida and North Carolina. 



ALABAMA : Central prairies to Coast plain. Waste places, exsiccated exposed ground, 

 pastures. Montgomery, Washington, Clarke, Monroe, Baldwin, and Mobile counties. 

 Rays yellow, disk deep reddish brown; June, August. Frequent, particularly in 

 the coast plain. Perennial. 



Type locality : "The plains of Red River, Arkausa." 



Herb. Geol. Surv. Herb. Mohr. 



