SUNFLOWER FAMILY 221 
52. BAHIA Lag. Gen. & Sp. Pl. 30. 1816. 
Annual or perennial, pubescent but not at all woolly, often gastos’ herbs, sepaio 4 
suffrutescent at base but usually herbaceous. Leaves alternate or opposite, entire 
dissected. Heads terminating the branches, yellow, many- aed radiate or barely dis- 
coid. Involucre hemispheric. Phyllaries in lor series, subequal, herbaceous, flat, spread 
ing in age and sometimes reflexed. Receptacle flat. Ray-flowers when present pistillate, 
chenes narrowly obpyramidal, 4-angled. Pappus-paleae with a callous base and thickened 
midrib as long as or shorter than the paleae, or paleae completely lacking. [Named in honor 
of Juan Francisco Bahi, a Spanish botanist. 
A genus of about 15 species, natives of southwestern United States, Mexico, and western South America. 
Type species, Bahia ambrosioides Lag. 
Pappus wanting; stout biennials or perennials. 7 B. dissecta 
Pappus present; slender annuals. . B. neomexicana, 
L pa dissécta (A. Gray) Britt. Dissected Bahia. Fig. 5361. 
Amauria ? dissecta A. Gray, Mem. Amer. Acad. II. 4: 104. 1849. 
Viliadit ter eed te Gray, Smiths, Contr. 5°; 96. 1853. 
Bahia chrysanthemoides A. Gray, Proc. Amer. Acad. 19: 28. 1883. 
Te baie a Bri tt. Trans. N.Y. Acad. 8: 68. 1889. 
Bie nnial or short- lived Seeeitiien nate 3- 8 dm. high; stems striate, reddish, puberulent and 
etindelac. simple to the loosely branching inflorescence. Leaves petioled, the basal leaves with 
5361. Bahia 
