8S MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE. 



[Plate 31. J 

 31. Polygonum punctatum Elliott. 



Polygonum 'pauctatuiii Elliott, Bot. S. C. and Ga. 1: 445 (1817); Eaton, Man. 370; 



Barton, Comp. Fl. Phil. 187; Torrey, Fl. 1: 402, Comp. 171; Sprengel, Syst. 2: 253; 



Darlington, Florula Cest. 48, Fl. Cest. 248 ; Beck, Bot. 301 ; Eaton & Wright, N. A. Bot. 



Ed. 8, 367; Wood, CI. Bk. Ed. 41, 474; Meisner in Mart. Fl. Bras. 5: 18; Darby, Bot. 



"S. States, 489. 



Polijgornnit Hijdropiper Michaux, Fl. Bor. Am. 1 : 238 (1803), not Linnaeus. 



Pohjgonum hijdrojjiperoides Pursh, Fl. Am. Sept. 270 (1814), not Michaux. 



Polygonum axire Humboldt, Bonpland & Kunth, Nov. Gen. 2: 179 (1817), not 

 Lamarck; Meisner, Monog. 77, in Mart. Fl. Bras. 5: 18 and in DC. Prodr. 14: 107; 

 Sprengel, Syst. 2 : 253 ; A. Gray, Man. 373 ; Chapman, Fl. S. States, 389 ; Wood, Am. 

 Bot. and Fl. 283; Grisebach, Fl. Br. W. Ind. 161; S. Watson, Bot. Calif. 2: 14; Reade, 

 PL Bermuda. 69 ; Greene, Fl. Francis. 136, Man. Bay Reg. Bot. 42. 



Polijgo)ium antihaemorrhoUlale Martins, Reise, 2: 550(1823); Meisner in Mart. Fl. 

 Bras. 5: 18. 



Poly gonitm cnMuiernorrhoidale var. aqaatile Martins, Reise, 2: 550 (1823); Meisner 

 in Mart. Fl. Bras. 5 : 18. /. 5. f. 1. 



Polygonum mitihaemorrhoidale var. riparium Martius, Reise, 2: 550 (1823); Meisner 

 in iNIart. Fl. Bras. 5 : 18. t. 5. f. 2. 



Polygonum maritimum Vellozo, Fl. Flum. A: t. 39 (1827)? 



Polygonum acre var. confertifiorum Meisner in DC. Prodr. 14: 108 (1856). 



Annual or perennial, mostly glabrous throughout. Stem erect or ascending, rarely 

 creeping, 3-11 dm. long, simple or much branched; leaves varying from lanceolate to 

 narrowly lanceolate, often oblong-lanceolate, 2-16 cm. long, .6-3.7 cm. broad, acuminate 

 at both ends, usually glabrous, conspicuously punctate, often bearing a few short hairs 

 on the midrib, ciliate, short-petioled ; ocreae cylindric on the younger parts, broken and 

 obliquely funnelform on the older portions, 1-1.5 cm. long, glabrous or sometimes spar- 

 ingly strigillose, fringed with rather long bristles ; inflorescence paniculate, the ultimate 

 divisions ending in spicate racemes ; racemes linear, 1-6 cm. long, erect or rarely slightly 

 drooping, somewhat interrupted beLnv, loosely flowered; ocreolae funnelform, 2.5-3* mm. 

 long, fringed with a few short bristles, mostly imbricated ; pedicels 3-4 mm. long, slender ; 

 calyx greenish, aljout 2 mm. long, five-parted to below the middle, conspicuously gland- 

 ular, the segments ol)long or ovate, obtuse, punctate; stamens eight, included; style 



