BUCKWHEAT FAMILY. 483 



ALABAMA: Adventive. Coast plain. Fully naturalized. Roadsides, ditches, bor- 

 ders of swamps about Mobile. May. Becoming a common wayside weed. Peren- 

 nial. 



Type locality: "Hab. in Gallia, Italia, Veronae." 



Herb. Geol. Surv. Herb. Molir. 



Rumex coiiglomeratus Murr. 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-LEAP DOCK. 



Spreug. Syst. Veg. 2 : 159. 



Perennial. Stein 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. Fl. 385. Coulter, Contr. Nat. Herb. 2 : 381. 



Alleghenian to Louisianian area. Introduced from Europe. Naturalized 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, Auglia." 



Herb. Geol. Surv. Herb. Mohr. 



RUMEX OBTUSIFOLIUS X CRISPUS. This hybrid has been collected in St. Glair 

 County, near Ashville. September. On roadsides. 



POLYGONUM L. Sp. PL 1: 359. 1753. 1 



About 150 species, cosmopolitan, mostly northern. North America and Mexico, 

 about 50 species. Atlantic North America, 21. Ours all herbs. 



Polygomim 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 fro- 

 quent east of the Rocky Mountains. 



ALABAMA: Over the State. Roadsides, waste places, every where 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 amculare 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 Louisiauian area. Ontario; New England south to New Jersey and 

 Georgia. 



ALABAMA: Central Pine belt and Central Prairie region. In yards, waste places. 

 Tuscaloosa County (E. A. Smith). Dallas"U"ountv,Uniontown. Montgomery County. 

 June; not common. Annual. 



Type locality: "Hab. in Philadelphia, enata ex seininibus D. Kalmii." 



Herb. Geol. Surv. Herb. Mohr. 



1 John K. Small. A preliminary list of American species of Polygonum, Bull. Torr. 

 Club, 19: 351. 1892. 



