230 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



1897; Spokane River, Henderson, June 1, 1892; Spangle, Suksdorf \A0^; Pullman, Lake cfe 

 Hull 647; without locality, Vasey in 1889; Chelan, Grlffitlis cfc Cotton 160-. 

 Zonal orsTiiiBUTiON: Arid Transition. 



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

 Pohjgomim coaniatumY>oug\.\ Hook. Fl. Bor. Am. 2: 133. 1838, not Willd. 1825. 

 Polygonum lineare Menzies; Hook. Fl. Bor. Am. 2: 133. 1838, as synonym. 



Type locality; "N.W.America." Collected by Menzies. 

 Range: British Columbia to Oregon in the coa-st region. 



Specimens examined: Bellingham Bay, Suksdorf 2047; Fidalgo Island, Flett 2125; 

 Seattle, Pi-per & Smith in 1888; Tacoma Fletf; De Fuca. Dr. Scovler; Rockland, Howell. 

 Zonal distribution: Humid Transition. 



16. Polygonum nuttallii Small, Mon. Polyg. 132. pi. 53, 1895. 



Polyyoninn i ntertnrdium Nutt.; S. Wats. Proc. Am. Acad. 17: 378. 1882, not Ehrh. 1791. 

 Type locality: "On bluffs of the C()lnml)ia plains." Collected by Nuttall. 

 Range: Wa.shington and Oregon. 



Specimens examined: Olympic Alountains, Henderson 2420: Lake Cushman, Piper 

 2241 ; Mount Constitution, Henderson 2419; Evergreen, Conard 424; .Stehekin, Gorman 737. 

 Zonal distribittion: Canadian. 



17. Polygonum greenei S. Wat.s. Proc. Am. Acad. 14: 295. 1879. 



Type localkiy: "Plains of Shasta," and "near Chico. " Collected by (xreeiie and by 

 Mrs. Bidwell. 



Range: Washington to California. 



Specimens examined: West Klickitat County, Suksdorf 1002. 



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

 Type locality: Yosemite Valley, California. Collected by Parry. 

 Range: Washington to California. 



Specimens examined: Falcon Valley, Suksdorf 009, 1410. 



19. Polygonum bistortoides Pursh, Fl. 1:271. 1814. 

 Polyyomim historta ohlompfolium Meisn. in DC. Prod. 14: 126. 1856. 

 Polygonum, glastifolhun Greene, Pittonia 5: 199. 1903. 



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

 Collected by Lewis. The date and locality on original label show the place to l)e what is now 

 Weippe, Idaho. 



RAN(iE: Sul)arctic regions, south to California and Arizona. 



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

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

 & Leiherg 748; Falcon Valley, Suksdorf 1413; Ellensburg, Whifed 728; Horseshoe Basin, 

 Elmer 740; Lake & Hull 649; Q miles east of Pullman, Lake & Hull, May 20, 1892; without 

 locality, Vasey in 1889; Vancouver, Piper 4934. 



Zonal distribution: Arid Transition as to the typical plant, but recurring in the 

 Arctic-Alpine meadows. 



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

 Ty'PE locality: Eiuope. 



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. • 



