228 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



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

 Specimens examined: Near latitude 49°, Lyall in 185S. Perhaps the locality is east of 

 Washington. 



2. Polygonum convolvulus L. Sp. PI. 1: 3G4. 1753. Bindweed. 

 Type locality: Euiopc. 



Specimens examined: North Yakima, Watt, August 1895; Lake Chelan, Lake & Hull 

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

 Carlton, Krear/er 143. 



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



Type locality: "Ad portum S. Francisci Novae Calif orniae in arenosis littoralihus. 



Range: Seashores, British Columbia to California. 



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

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

 June 26, 1892. 



Zonal distribution: Humid Transition. 



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

 Ty'pe LOCALITY': Europe. 



Specimens examined: Along Wilson Creek, /^rti-e tC- //w/Z 644 : Ahnoin, Piper 2652, 1841; 

 Pullman, Piper 1550. 



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

 Type loc^ality: New Brunswick. 



Range: vSeashores, New Brunswick to Virginia; British Columbia to Washington. 

 Specimens examined: Seattle, Piper 2861 ; Port Angeles, Pijoer 2305. 

 Zonal distribution : Humid Transition. 



6. Polygonum polygaloides Mcisn. in DC. Prod. 14: 101. 18.56. 

 Type locality: Clc.irwatcr River, Idaho. Collected by Spalding. 

 Range: Washington, Idaho, and Oregon. 



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

 Spokane County, Sulcsdarf 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. 



Polygonum waisoni Small, Mon. Polyg. 138. 1895, as to synonymic type. 



Type locality: "Freciuent in the mountains, alpine and subalpinc, from Colorado to 

 Oregon and Northern California." 



Range: Washington to California and Colorado. 



Specimens examined: Mount Adams, Henderson, August 3, 1892; Mount Cleman, i7en- 

 (Zerson 2422; Mount Stuart, FJmer ll^S; Falcon Valley, Suksdorf 608; Klickitat County, 

 High Prairie, Suksdorf 22S6: Skamania County, Suksdorf S97. 



Zonal distribution: Canadian and Iludsonian. 



8. Polygonum confertiflorum Nutt. in herb. 



Polygonum waisoni Small, Mon. Polyg. 138. pi. 56. 1895, as to description and figure, l)ut 

 not as to synonymic type. 



Type locality: Columbia Plains. Collected by Nuttall. Type in the Gray Herl)arium. 



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



Specimens examined: Klickitat River, PZe« 1045; Falcon Valley, Swl-.srfo?/ 478; Coulee 

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

 Creek, Suksdorf 2289; without locality, Vasey in 1883; Klickitat County, Suksdorf 2286, 

 2289; Colville to Spokane, Wilkes Expedition. 



Zonal distribution: Arid Transition. 



