228 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Range: British Columbia to Nova Scotia, south to Texas and Florida. 

 Specimens examined: Near latitude 49°, LyaU in 1858. Perhaps the locality is east of 

 Washington. 



2. Polygonum convolvrilus L. Sp. PI. 1: 364. 1753. Bindweed. 

 Type locality: Europe. 



SfEciMENs examined: North Yakima, Wait, August 1895; Lake Chelan, Lake <& Hull 

 648; Pullman, Piper 1842; Almota, Pijmr 1815; Wawawai, Piper, July 31, 1893; Mount 

 Carlton, Kreager 143. 



3. Polygonum paronychia Cham. & Schlecht. Linnaea 3: 51. 1828. 



Type locality: "Ad portum S. Francisci Novae Californiae in arenosis littoralibus. 



Range: Seashores, British Columbia to California. 



Specimens examined: Clallam County, Elmer 2680; Shoalwater Bay, Cooper; Oyhut, 

 Lamb 1256; Port Angeles, Piper 2304; Wliidly Island, Gardner 263; Ocosta, Henderson, 

 June 26, 1892. 



Zonal distribution: Humid Transition. 



4. Polygoniun aviculare L. Sp. PI. 1 : 362. 1753. 

 Type uxality: Europe. 



Speclmens e.xamined: Along Wilson Creek, Z/dte dE; HuZZ 644 ; Almota, Pip^r 2652, 1841 ; 

 Pullman, Piper 1550. 



6. Polygonum fowleri Robinson, Rhodora 4: 67. 1902. 

 Type ixx-ality: New Brunswick. 



Range: Seashores, New Bnmswick to Virginia; British Columbia to Washington. 

 Specimens examined: Seattle, Pif^r 2861; Port Angeles, Piper 2305. 

 Zonal DisTRiBirrioN: Humid Transition. 



6. Polygonum polygaloides Meisn. in DC. Prod. 14: 101. 1856. 

 TiPE locality: Clearwater River, Idaho. Collected by Spalding. 

 Range: Washington, Idaho, and Oregon. 



Specimens examined: Rockford, Watson 341; Spokane, Henderson 2421; Leiherg 23; 

 Spokane County, iSui«dor/"431; Pullman, Piper 1551. 

 Zonal distribution: Arid Transition. 



7. Polygonum kelloggii Greene, Fl. Fran. 134. 1891. 



Polygonum imbricatum Nutt. Am. Nat. 7: 665. 1873, not Raf. Fl. Tellur. 3: 16. 1836. 



Pdygonum watnoni Small, Mon. Polyg. 138. 1895, as to synonymic type. 



Type locality: "Frequent in the mountains, alpine and subalpine, from Colorado to 

 Oregon and Northern California." 



Range: Washington to California and Colorado. 



Specimens examined: Mount Adams, Henderson, August 3, 1892; Mount Chm&n, Hen- 

 derson2'^2; Mount Stuart, £7mcr 1188; Falcon Valley, Suksdorf 608; Klickitat County, 

 High Prairie, iSutsdor/" 2286 ; Skamania County, Sutsdor/" 897. 



Zonal distribution: Canadian and Hudsonian. 



8. Polygonum confertiflorum Nutt. in herb. 



Polygonum xvatsoni Small, Mon. Polyg. 138. pi. 56. 1895, as to description and figure, but 

 not as to synonymic type. 



Type locality: Columbia Plains. Collected by Nuttall. Type in the Gray Herbarium. 



Range: British Columbia to Saskatchewan, Colorado, and California. 



Specimens examined: Klickitat River, FZe« 1045; Falcon Valley, -SwA-stfor/" 478 ; Coulee 

 City, Piper 3901, 3902, 3903; Douglas County, SpiUman; Pullman, Elmer 1008; Major 

 Creek, Suksdorf 22S9; without locality, Vasey in 1883; Klickitat County, Suksdorf 2286, 

 2289; Colville to Spokane, Wilkes Expedition. 



Zonal distribution : Arid Transition. 



