BUCKWHEAT FAMILY. 483 
ALABAMA: Adventive. Coast plain. Fully naturalized. Roadsides, ditches, bor- 
a of swamps about Mobile. May. Becoming a common wayside weed. - Peren- 
nial. 
Type locality: ‘“‘Hab. in Gallia, Italia, Veronae.” 
Herb. Geol. Surv. Herb. Mohr. 
Rumex conglomeratus Marr. Prodr. Fl. Goett.52. 1770. 
Fugitive from Europe with ballast. 
ALABAMA: Mobile, ballast heaps, October, 1893; rare. 
Type locality not ascertained. 
Herb. Geol. Surv. Herb. Mohr. 
Rumex cuneifolius Campdera, Monogr. Rumex, 66,95. 1819. WEDGE-LEAF Dock. 
Spreng. Syst. Veg. 2: 159. 
Perennial. Stem 12 to 18 inches long, assurgent, simple or branched from the 
base, roughish; leaves thickish, oblong-ovate, obtuse, cuneate at the base, crenately 
denticulate; flowering branches nearly leafless; flowers almost sessile, in dense 
whorls; valves, scarcely over 1 line long, crenulate, with 3 callosities. 
ARGENTINA, MONTEVIDEO, CHILE, SOUTH AFRICA. 
Louisianian area. Adventive in ballast from Buenos Ayres, and firmly established 
in western Florida (Pensacola). ; 
ALABAMA: Dry sandy places. Mobile County, near and on ballast heaps. Flowers 
in June; fruit ripe in August. 
First observed in 1891. Spreading along the river banks. 1895. 
Type locality: ‘‘Hab. in Buenos Ayres.” 
Herb. Geol. Surv. Herb. Mohr. 
Rumex obtusifolius L. Sp. Pl. 1: 335. 1753. BITTER Dock. 
Gray, Man. ed. 6, 438. Chap. F1.385. Coulter, Contr. Nat. Herb. 2: 381. 
“Alleghenian to Louisianian area. Introduced from Europe. NaturaJized over the 
North American continent. 
ALABAMA: All over the State, in cultivated and waste grounds; a coarse and 
troublesome weed. May. 
Economic uses: The root is used indiscriminately with the yellow dock for medicine. 
Type locality: ‘‘Hab. in Germania, Helvetia, Gallia, Anglia.” 
Herb. Geol. Surv. Herb. Mohr. 
RUMEX OBTUSIFOLIUS X CRISPUS. This hybrid has been collected in St. Clair 
County, near Ashville. September. On roadsides. 
POLYGONUM L. Sp. Pl. 1: 359. 1753.! 
About 150 species, cosmopolitan, mostly northern. North America and Mexico, 
about 50 species. Atlantic North America, 21. Ours all herbs. 
Polygonum aviculare L. Sp. Pl. 1: 362. 1753. WAYSIDE KNOTWEED. 
Ell. Sk. 1:453. Gray, Man. ed. 6, 439. Chap. Fl. 390. 
Cosmopolitan in the temperate regions. Europe, Asia, North Africa, Mexico, South 
America. 
Boreal zones to Louisianian area. Over the North American continent; most fre- 
quent east of the Rocky Mountains. 
ALABAMA: Over the State. Roadsides, waste places, everywhere in the interior. 
May to October. Rare near the coast. Annual. 
Type locality: ‘‘Hab. in Europae cultis ruderatis.” 
Herb. Geol. Surv. Herb. Mohr. 
Polygonum erectum L. Sp. Pl. 1:363. 1753. ErEct DooR WEED. 
Polygonum aviculure var. erectum Roth, Tent. Fl. Germ. 1:174. 1788. Gray, Man. 
ed. 6,440. Chap. Fl. 390. Coulter, Contr. Nat. Herb. 2:375. Wats. Bot. Calif. 2:11. 
EUROPE. : 
Alleghenian to Louisianian area. Ontario; New England south to New Jersey and 
Georgia. : 
ALABAMA: Central Pine belt and Central Prairie region. In yards, waste places. 
Tuscaloosa County (£. A. Smith). Dallas Countv,Uniontown. Montgomery County. 
June; not common. Annual. 
Type locality: ‘‘Hab. in Philadelphia, enata ex seminibus D. Kalmii.” 
Herb. Geol. Surv. Herb. Mohr. 
! John K. Small, A preliminary list of American species of Polygonum, Bull. Torr. 
Club, 19: 351. 1892, 
