426 RKPORT Ol- Xl-:w JI-.KSl'.V STATE MUSEUM. 



Polygonum scandens L. Climbing Bindweed. 



Polygonum scaiidciis Linn.-cus, Sp. PI. 364. 1753 [America]. 

 Polygonum dumctorum Knieskern 26. 

 Polygonum dumctorum var. scandens Britton 210. 



Common in swamps and thickets ol" the Northern and Middle 

 districts, also down the coast and at Cape Ma}'. This seems to 

 be the onh- form of trailing bindweed found native in onr region. 



Fr. — ^Late August to earl}- October. 



Middle District— New Egypt, Medford (S;, Orchard (S), Springdale 

 (S), Haddonfield (S), Lawnsidc (S), below Washington Park (S), Mickle- 

 ton. 



Coast Strip. — Forked River, Surf City (L), N. Beach Haven (L). Barrel 

 Island (L), Holly Beach, Cape May (OHB). 



Polygonum sagittatum L. Arrow-leaved Tear-thumb. 



Polygonum sagittattim Linnaeus, Sp. PI. 2>^2>- ^7h3 [Virginia and Maryland]. 

 — Knieskern 26. — Britton 210. 



Common in swamps of the Xorthern, ]^Iiddle and Coast dis- 

 tricts down to Cape May. 



This species and the following- are two of the plants of late 

 summer which give to the swamps of west Jersey a character 

 which at once contrasts them with the bogs of the Pine Barrens. 

 Alssociated with these Tear-thumbs are usually found Bupatormm 

 perfoliatiim, and maculatum, Vernonia novehoracensis, several 

 species of Bidens, Aster pimiceus, etc., all of them lacking from 

 the Pines. 



Fr. — Mid- August to mid-Septeml^er. 



Middle District. — New Egypt, Delaire, Hartford, Birmingham, Lindenwold 

 (S), Medford (S), Albion, Willow Grove, Mickleton. 

 Coast Strip. — Waretown, Forked River, Manahawkin, Coxe's, Crowleytown. 

 Cape May. — Cold Spring. 



Polygonum arifolium L. Halberd-leaved Tear-thumb. 



Polygonum arifolium Linnaeus, Sp. PI. 364. 1753 [Virginia and Florida]. — 

 Michaux, Fl. Bor. Am. L 241. 1803. — Knieskern 26. — Britton 210. 



Common in swamps of the Xorthern and Middle districts and 



less commonly in the Coast Strip and Cape May peninsula. 



Fr. — Late August to late September. 



Middle District. — New Egypt, Birmingham, Kinkora (NY), Hartford, 

 Pensauken (S), Fish House, Delair, Medford (S), Springdale (S), Oaklyn, 

 Kaighns Pt., Lindenwold (S), Center Square. 



Coast. — Cox's, May Landing (T). 



Cape May.—Qomt House (OHB), Green Creek (S). 



