790 PLANT LIFE OF ALABAMA. 
Two and one-half to 4 feet high, stem stout, sulcate to angled, leaves thinner and 
larger thau in the above, from 1} to3 inches and over wide, pointed at both ends, 
tapering into slender petioles } to 1 inch long; tlowering heads smaller, with merely 
Tesinons-granulose (not pubesvent) involucral scales. Flowers pale purplish brown. 
Carolinian and Louisianian areas. Kentucky, Indiana, Ohio, Tennessee, North 
Carolina to Florida, west to Mississippi. 
ALABAMA: Over the State. Low damp places, banks of streams, ditches, borders 
of fresh-water swamps. Talladega and Tuscaloosa counties. Lee County, Auburn 
(Buker § Earte), Moutgomery, Mobile, and Baldwin counties; September, October. 
Frequent. Annual. 
Type locality not ascertained. 
Herb. Geol. Surv. Herb. Mohr. 
Pluchea foetida (L.) B.S. P. Prel. Cat. N.Y. 28. 1888. 
Baccharis foetida L. Sp. Pl. 2: 861. 1753. 
B. viscosa Walt. Fl. Car. 202. 1788. 
Pluchea bifrons DC. Prodr. 5:451. 1836. 
Carolinian and Louisianian areas. Coast of New Jersey to Florida, west to Texas. 
EIL Sk. 2:322. Gray, Man. ed. 6, 267. Chap. Fl. ed. 3, 238. Gray, Syu. Fl. N.A.1, 
pt.2:226. Conlter, Contr. Nat. Herb. 2: 201. 
ALABAMA: Lower Pine region. Coast plain. Low damp places, borders of ditches 
and piue-barren ponds. Washington County, Yellowpine. Mobile and Baldwin 
counties. Flowers white; August to October. Frequent. Perennial. 
Type locality: ‘‘ Hab. in Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
Pluchea adnata /Humb. & Bonpl.). 
Baccharis adnata Humb. & Bonpl.; Willd. Enum. 870. 1809. 
Pluwchea subdecurrens Cass. Dict. Sei. Nat. 42:4. 1826. 
MEXxICco. 
ALABAMA: Adventive with ballast. 
Perennial from a ligneous root; stem ascending 1} to 2 feet high, corymbosely 
branched, winged by the decnrrent base of the lanceolate, denticulate leaves, 
which are on the lower side glandular-punctate; tlowering heads sessile, crowded_on 
the ends of the branches. Not infrequent. Ripens the seeds and makes its appear- 
ance one year after another in the same locality. withont spreading. Annual. 
Type locality: ‘‘Hab.in America meridionali.” 
Herb. Geol. Surv, 
PTEROCAULON Ell. Sk. 2:323. 1821-24. BLack Roor. 
Two species, perennial, South Atlantic North America. 
Pterocaulon undulatum (Walt.). 
Gnaphalium undulatum Walt. ' 1. Car, 203. 1788. 
Conyza polystachya Michx. Fl. Bor. Am. 2: 126. 1803. 
Pterocaulon polystachyum Ell. Sk. 2: 324. 1821-24, 
Ell.j.c. Chap. F1.219, Gray, Syn. FLN. A. 1, pt. 2: 226. 
Lousianian area. Coast of North Carolina to Florida. 
ALABAMA: Coast plain. Dry open grassy pine barrens. Baldwin County, about 
the waters of Perdido Bay. Flowers white; May, June. Infrequent; not observed 
farther to the west. 
Type locality: South Carolina. 
Herb. Geol. Surv. Herb. Mohr. 
ANTENNARIA Gaert. Fruct.2:410. 1791. 
About 36 species, Europe, Asia, America. North America, 12; Atlantic, 3. 
Antennaria plantaginifolia (L.) Richards. App. Frank. Journ. ed. 2, 30. 1823. 
PLANTAIN-LEAF CUDWEED. 
Gnaphalium plantaginifolium L. Sp. Pl. 2: 850. 1753. 
Ell. Sk. 2:327, Gray, Man. ed.6, 267. Chap. Fl. 243. Gra Syn. Fl. N. A. 1, pt. 
2:238, Coulter, Contr. Nat. Herb’2:202. > Site : ne 
Boreal region to Carolinian area. Hudson’s Bay toroughout Canada and the 
Atlantic United States, Florida, Louisiana, and Texas. 
