PIPER FLORA OF THE STATE OF WASHINGTON. 331 



Specimens examined: Clallam County, Elmer 2523; San Juan Island, Lyall in 1858; 

 Muckleshoot Prairie, Dr. Ruhn; Shoalwater Bay, J . 6. Coofer in 1854: Seattle, Smith 62; 

 Piper, August, 1892; Tacoma, Flett 899; Woodlawn, Henderson, June, 1892. 



Zonal distribution: Humid Transition. 



4. Spiraea menziesil Hook. Fl. Bor. Am. 1 : 73. 1830. 

 Spiraea douglasii menziesii Presl, Epimel. Bot. 195. 1849. 



Type locality: "North West coast of America." Collected by Menzies. 



Range: Alaska to Idaho and California. 



Specimens examined: Montesano, Heller 4004; Chehalis River, Lamh 1241; Cascade 

 Mountains, latitude 49°, Lyall in 1859; upper Nisqually Valley, AUen 1 ; Cascade Mountains, 

 Henderson, July, 1892; Ellensburg, Elmer 399; WUted 490; Fish Lake, Dunn, July 31, 

 1900; Skagit Pass, LaTce cfc Hull 787; Lake Chelan, Lake & Hull 511; Peshastin, Sandberg 

 & Leiberg 512; Columbia River, latitude 49°, Lyall in 1860; Palouse City, Cloud, June, 

 1895; without locality, Vasey in 1889; Mount Carlton, Kreager 193; Lake Chelan, Cotton 

 844. 



Zonal distribution: Canadian and Arid Transition. . 



5. Spiraea pyrainidata Greene, Pittonia 2: 221. 1892. 

 Type locality: Clealum, Washington. Collected by Greene. 

 Range: Washington, Oregon, and Idaho. 



Specimens examined: Cascade Mountains, latitude 49°, Lyall in 1859-60; Mount 

 Adams, Suksdorf 115; Peshastin, Sandberg cfe Leiberg 514; Ellensburg, Elmer 411; North 

 Yakima, Watt, August, 1895; Roslyn, WMted 463; Lake Keechelus, Piper 1112; near 

 Leavenworth, Whited 188; Kittitas County, Henderson 2325; Horseshoe Basin, Lake ds 

 Hull, August, 1892; Fish Lake, Dunn, August, 1900; Loon Lake, Winston, July 20, 1897; 

 without locality, Vasey in 1889. 



Zonal distribution: Canadian. 



6. Spiraea densiflora Nutt.; Torr. & Gr. Fl. 1 : 414. 1840. 

 Spiraea betulaefolia rosea A. Gray, Proc. Am. Acad. 8: 381. 1872. 



Spiraea arbuscula Greene, Erythea 3 : 63. 1895. » 



Type locality: Blue Mountains, Oregon. Collected by Nuttall. 



Range: British Columbia to California and Idaho. 



Specimens examined: Olympic Mountains, Piper, August, 1895; Elmer 2514; Hender- 

 «on 245; Mount Rainier, Pipgr 1993; Allen 57; near Skagit Pass, Za^g cfe fli/tt 510; Stevens 

 Pass, Sandberg cfc Leiberg 712; Bridge Creek, Elmer 656. 



Zonal distribution: Hudsonian. 



7. Spiraea coryinbosa Raf. Prec. Dec. 36. 1814. 

 Spiraea lucida Dougl.; Greene, Pittonia 2: 221. 1892. 

 Type locality: "En Virginie." 



Range : British Columbia to Oregon and the Black Hills ; also Kentucky and New Jersey 

 to Georgia. 



Specimens examined: Cascade Mountains, latitude 49°, Lyall in 1859; Klickitat 

 County, Suksdorf; Green River Hot Springs, Piper in 1887; Tieton River, Cotton 456; 

 Roslyn, WUted 463; Wenache, Whited 188, 1184; Fort Vancouver, Tolmie; Peshastin, 

 Sandberg cfc Leiberg 599; Columbia River, latitude 46° to 49°, Lyall in 1860; without 

 locality, Fa«ey in 1889; Pullman, Piper 1522; Hull, May, 1892; Blue Mountains, Zaite 509; 

 Clarks Springs, Kreager 72; Vancouver, Piper 4941; Lake Chelan, Cotton 223. 



Zonal distribution: Arid Transition. 



In Cooper's Report this species was referred to S. betulaefolia Pallas. 



