230 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



1897; Spokane River, Henderson, June 1, 1892; Spangle, Suksdorf \^^\ Pullman, iMlce db 

 Hull 647; without lo<'ality, Vaxri/ in 1889; ChelaTi, Grijfiih^^ cfc Cotton 160. 

 Zonal distribution : Arid Transition. 



15. Polygonum spergulariaeforme Meisn.; Small, Bull. Torr. Club 19: 366. 1892. 

 Pfytycjomtm coarcfalum Dou^rl.: lhx)k. Fl. Bor. Am. 2: 133. 1838, not Willd. 182.5. 

 Pohjijonnm Uneare Menzies; Hook. Fl. Bor. Am. 2: 133. IS^, a.s synonym. 



Type ixk^ality: "N. W. America." Collected by Menzies. 

 Rancje: British (\)lumba to Oregon in the coast region. 



Spr^'iMENs examined: li«>li;ngham Bay, Sulsdorf 2047; Fidalgo Island, Flett 2125; 

 Seattle, Pi])er Jc Smith in 1888; Tacoma Fleti; De Fuca. Dr. Scovler; Rockland, HoweU. 

 Zonal dlstkibi'tion: Humid Transition. 



16. Polygonum nuttallii Small, Mon. Polyg. 132. ;>/. J,?, 189r). 



P(J}jefornim intermrdlum Nutt.; S. Wats. Proc. Am. Acad. 17: 378. 1882, not Ehrh. 1791. 

 Type ixk:ality: "On l)lufrs of the Columbia plain.s." Collected by Nuttall. 

 RANCiE: Washington and Oregon. 



Specimens examined: Olympic Mountains, Henderson 2420; Lake (^ishnian. Piper 

 2241 ; Mount Constitution, Henderson 2419; Evei^reeiL Conard 424 ; Stehekin, Gorman 737. 

 Zonal distkibution: Canadian. 



17. Polygonum greenei S. Wats. Proc. Am. Acad. 14: 29.'). 1879. 



Type L<HAi.nY: "IMuins of Shasta," and '"near Chico. " Collected by Greene and by 

 Mrs. Bidwell. 



Rancie: Washington to California. 



Specimens examined: West Klickitat County, SuTcsdorf 1002. 



18. Polygonum parryi Greene, Bull. Torr. Clul) 8: 99. 1881. 

 TiPE lchamty: Yosemite \'ailey, California. Collected by Parry. 

 Ranoe: Wjvshington to California. 



Speclmens exa-mined: F'aicon Valley, SuksdorfGOQ, 1410. 



J.9. Polygonum bistortoides Pursh, Fl. 1:271. 1814. 



Polygonum historta ohlonijifolium Meisn. in JXL Prod. 14: 126. LS.'iO. 



Pohfyonum glaHtifdium Greene, Pittonia 6: 199. 1903. 



Type locality': "In low grounds on the banks of the Miasouri, called Quamash-flats. " 

 Collected by Lewis. The date and locality on original lal)el show the place to be what is now 

 WeipjK', Idaho. 



Range: Subarctic regions, .south to California and Arizona. 



Specimens examined: Clallam County, Elmer 2681; Mount Rainier, Piper, August 15, 

 1895; Allen 42; Silverton, Bougie 195; Klickitat River, Flett 1043; Stevens Pass, Sandherg 

 tfe Leiherg 748; Falcon Valley, Suksdorf 1413; Ellensburg, Whited 728; Horseshoe Basin, 

 Elmer 740; Lake d; Hull 049; miles east of Pullman, Lake cfe HuU, May 20, 1892; without 

 locality, Vaseg in 1889; Vancouver, Piper 4934. 



Zonal distribution: Arid Transition as to the t3T)ical plant, but recurring in the 

 Arctic-Alpine meadows. 



20. Polygonum viviparum L. Sp. PI. 1: 360. 1753. 

 Type ixkjality: Europe. 



Range: Alaska to Greenland, .south to New England and Colorado. Europe, Asia. 

 Specimens examined: Cascade Mountains, latitude 49°, Lyall in 1860. 

 Zonal distribution: Arctic. 



21. Polygonum newberryi Small, Bull. Torr. Club 21: 170. 1894. 

 Type locality: Cascade Mountains of Oregon at Crater Pass. 

 Range: Washington and Oregon. 



