THISTLE FAMILY. 789 



ALABAMA: Over the State. Dry exposed siliceous soil, open copses aud woods. 

 Kays bright blue; October, November. Coramou. Most common on barren sandy 

 ridges in the coast pine barrens. 



Tvpe locality: " Hab. in America septentrional!.'' 



Herb. Geol. Surv. Herb. Mohr. 



CONYZA L. Sp.P1.2:86l. 1753. 



Conyza coulter! Gray, Syn. Fl. N. A. 1, pt. 2 : 221. 1884. 



Coulter, Contr. Nat. Herb. 2 :200. 



ALABAMA: Fugitive from the Southwest, on ballast. Mobile County. Observed 

 once in September, 1890. 



Type locality: "River bottoms, &c., W. Texas and Colorado to Arizona and 

 California." 



Herb. Geol. Surv. 



BACCHARIS L. Sp. PI. 2 : 860. 1753. 



About 275 species, evergreen shrubs and undershrubs, American, chiefly of trop- 

 ical and warmer temperate South America. North America, 19; Atlantic/3. 



Baccharis halimifolia L. Sp. PI. 2 : 860. 1753. GROUNDSEL THEE. 



Ell. Sk. 2 : 319. Gray, Man. ed. 6, 266. Chap. Fl. 217. Gray, Syn. Fl. N. A. 1, pt. 2 : 

 222. Coulter, Contr. Nat. Herb. 1 : 200. 



Carolinian to Louisiauiau area. Coast of New York and New Jersey to Florida, 

 west to Texas. 



ALABAMA: Coast plain. Littoral belt. Fresh and brackish marshes. Mobile 

 and Baldwin counties. Flowers white: October. Evergreen shrub, 5 to 10 feet 

 high. 



Type locality : "Hab. in Virginia.'" 



Herb. Geol. Surv. Herb. Mohr. 



Baccharis aiigustifolia Michx. Fl. Bor. Am. 2 : 125. 1803. 



NARROW-LEAF GROUNDSEL. 



Ell. Sk. 2:318. Chap. Fl. 218. Gray, Syn. Fl. N. A. 1, pt. 2 : 222. Coulter, Contr. 

 Nat, Herb. 2 : 200. 



MEXICO. 



Louisianian area. Seashore South Carolina to Florida, west to Texas and saline 

 plains of southern Arizona. 



ALABAMA: Littoral belt. Salt marshes. Mobile County, Navy Cove. Flowers 

 September, October. Four to 6 feet high. Much less frequent than the last. 



Type locality: " Hab. in scirpetis maritimis, a Carolina ad Floridam." 



Herb. Geol. Surv. Herb. Mohr. 



PLUCHEA Cass. Bull. Soc. Philom. 1817 : 31. 1817. 

 About 30 species, of warmer regions. Four in the Southern United States. 



Pluchea camphorata (L.) DC. Prodr. 5:451. 1836. SALT-MARSH FLEABANE. 



Eriyeron camphoratum L. Sp. PI. 2 : 864. 1753. 



Conyza camphorata Ell. Sk. 2 : 321. 



Ell. Sk. I.e. Gray, Man. ed. 6, 267. Chap. Fl. 218. Gray, Syn. Fl. N. A. 1, pt. 2: 226. 

 Coulter, Contr. Nat. Herb. 2 : 201. Wats. Bot. Calif. 1 : 335. 



MEXICO, CUBA. 



Carolinian and Louisianian areas. Coast of southern New England to Florida, 

 west to Texas and Arizona; coast of California. 



ALABAMA: Subrnaritirne and Littoral region. In brackish and saline swamps. 

 Mobile County. Baldwin County, shores of Mobile Bay and outlying islands. 

 Flowers deep pink; September, October. Frequent. Annual. 



Type locality; "Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



Pluchea petiolata Cass. Diet. Sci. Nat. 42 : 2. 1836. ' STRONG-SCENTED PLUCHEA. 

 Plucliea foetida DC. Prodr. 5 : 452. 1836. Not Baccharis foetida L. 

 Gray, Syn. Fl. N. A. 1, pt. 2 : 226, in part, as P. camphorata. Chap. Fl. ed. 3, 238. 



1 See Hull. Torr. Club, vol. 21, p. 265. 1894. 



