THISTLE FAMILY. T8Y 
ALABAMA: Over-the State. Dry exposed siliceous soil, oper copses and woods. 
Rays bright blue; October, November. Common. Most common on barren sandy 
ridges in the coast pine barrens. 
Type locality: ‘Hab. in America septentrionali.” 
Herb. Geol, Surv. Herb. Mohr. 
CONYZA L.Sp.Pl.2: 861. 1753. 
Conyza coulteri 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 Septemlier, 1890. 
Type locality: ‘‘River bottoms, &c., W. Texas and Colorado to Arizona and 
California.” 
Herb. Geol. Surv. 
BACCHARIS L. Sp. Pl. 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. Pl.2:860. 1753. GROUNDSEL TREE, 
Ell. Sk. 2:319. Gray, Man. ed. 6, 266. Chap. Fl. 217. Gray, Syn. FI.N.A.1, pt. 2: 
222. Coulter, Contr. Nat. Herb. 1: 200. 
Carolinian to Louisianian area. Coast of New York and New Jersey to Florida, 
west to Texas. 
ALABAMA: Coast plain. Littoral, belt. Fresh and brackish marshes. Mobile 
aud Baldwin counties. Flowers white: October. Evergreen shrub, 5 to 10 feet 
high. 
Type locality: ‘‘Hab.in Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
Baccharis angustifolia 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. 
PLUCHBA Cass. Bull. Soc. Philom. 1817: 31. 1817. 
About 30 species, of warmer regions. lour in the Southern United States. 
Pluchea camphorata (L.) DC. Prodr. 5:451. 1836. SALT-MARSH FLEABANE. 
Erigeron camphoratum L, Sp. Pl. 2:864. 1753. 
Conyza camphorata Ell. Sk. 2: 321. 4 
EILSk.l.c. 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: Submaritime 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. Dict. Sci. Nat. 42:2. 1836. ! STRONG-SCENTED PLUCHBA. 
Pluchea 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. 
See Bull. Torr. Club, vol. 21, p. 265. 1894. 
