484 PLANT LIFE OF ALABAMA, 
Polygonum tenue Michx. Fl. Am. Bor. 1: 238. 1803. 
Gray, Man. ed. 6, 440. 
Alloghenian and Carolinian areas. From Ontario to the Pacific coast; New Eng- 
land south to New Jersey, along the mountains to Georgia, and west to Arizona and 
California. 
ALABAMA: Mountain region. Exposed rocky soil. Dekalb County, Mentone, 
September. Frequent on Lookout Mountain. 
Type locality: ‘‘Hab. in Canada.” 
Polygonum maritimum L, Sp. Pl. 1:361, 1753. 
Polygonum aviculare var. littorale Chap. F1. 390, 
Ell. Sk. 1: 458. Gray, Man. ed. 6, 439. 
EUROPE. 
Canadiay zone to Louisianian area. Seacoast from Nova Scotia to Georgia and 
Alabama. 
ALABAMA: Mobile County, banks of Alabama River, near the shipping. To all 
appearance adventive with ballast. August, September. Perennial. 
Type locality: ‘Hab. Monspelii, in Italia, Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
Polygonum bellardi All. Fl. Ped. 2: 207. 1785. 
Britt. & Br. Tl. Fl. 1: 562. 
SOUTHERN EUROPE, WESTERN ASIA. 
Louisianian area. 
ALABAMA: Adventive with ballast. Mobile, 1884, and September, 1893. Stems 
numerous from the same root; prostrate, rigid, over 2 feet long, forming large 
patches. Annual. 
Type locality: ‘In arvis inter Bussolino e Bardassan [Piedmont ].” 
Herb, Geol. Surv. Herb. Mohr. 
Polygonum lapathifolium L. Sp. P1.1:360. 1753. 
Gray, Man. ed. 6,440. Coulter, Contr. Nat. Herb. 2: 376. 
ALABAMA: Naturalized about Mobile. June; rare. Annual. 
Type locality: ‘* Hab. in Gallia,” 
Herb. Geol. Surv. Herb. Mohr. 
Polygonum incarnatum Ell.Sk.1:456. 1817. 
Polygonum lapathifolium incarnatum Gray, Man. ed. 6, 440. 1890. 
EIL Sk. loc. Gray, Man.le. Chap. F1. 388. Coulter, Contr. Nat. Herb, 2: 376. 
Alleghenian to Louisianian area, Nova Seotia, New Brunswick, Ontario, British 
Columbia, Vancouver’s Island; from Vermont and western New York west to 
Nebraska, and throughout the Ohio Valley to Missouri, Arkansas, and Colorado, 
south to Florida and eastern Texas, 
ALABAMA: Over the State. Low cultivated ground, damp places. Cullman, 
Montgomery, and Mobile counties. Flowers flesh color. September, October; fre- 
quent. Annual. 
Type locality: ‘Ditches and shallow ponds [South Carolina and Georgia].” 
Herb, Geol. Surv. Herb. Mohr. 
Polygonum pennsylvanicum L. Sp. P1.1:362. 1753. 
Ell. Sk.1:457. Gray, Man. ed.6,440. Chap. FL 388. Coulter, Contr. Nat. Herb, 
2:376. 
NORTHERN MEXICO. 
Alleghenian to Louisianian area. New Brunswick and Ontario; New England 
west to Dakota, Nebraska, and California, south to Florida and Texas. 
ALABAMA: Over the State. Low damp places, ditches. Montgomery and Mobile 
counties. Flowers rose color. July to September; frequent. Annual. 
Type locality: ‘‘Hab. in Pensylvania. Kalm.” 
Herb. Geol. Surv. Herb. Mohr. 
Polygonum portoricense Bertero, Meiss. in DC. Prodr. 14:121. 1856. 
DENSE-FLOWERED PERSICARIA, 
Polygonum densiflorum Meiss. in Mart. Fl]. Bras. 5:13. 1855. Not Blume. 
Chap. FI. 388.) Britt. & Br. Hl. Fl 1:556, f. 7322. Griseb. Fl. Brit. W. Ind, 161 
(as Polygonum glabrum Willd.), 
Wrest INDIES TO BRrazit, EASTERN ASLA, 
Carolinian and Louisianian areas. Florida, eastern Texas, southeastern Missouri. 
