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. G. Cooper in 1854: Seattle, Smith 62; 
Piper, August, 1892; Tacoma, Fett 899; Woodlawn, /enderson, June, 1892. 
ZONAL DISTRIBUTION: Humid Transition. 
4. Spiraea menziesii Hook. Fl. Bor. Am. 1:73. 1830. 
Spiraea douglasii menziesii Presl, Epimel. Bot. 195. 1849. 
Tyre Locatity: “North West coast of America.’’ Collected by Menzies. 
Ranae: Alaska to Idaho and California. 
SPECIMENS EXAMINED: Montesano, Heller 4004; Chehalis River, Lamb 1241; Cascade 
Mountains, latitude 49°, Lyall in 1859; upper Nisqually Valley, Allen 1; Cascade Mountains, 
Henderson, July, 1892; Ellensburg, Eimer 399; Whited 490; Fish Lake, Dunn, July 31, 
1900: Skagit Pass, Lake & 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, Areager 193; Lake Chelan, Cotton 
S44. 
ZONAL DISTRIBUTION: Canadian and Arid Transition. 
5. Spiraea pyramidata Greene, Pittonia 2: 221. 1892. 
Type Locauity: Clealum, Washington. Collected by Greene. 
Rance: Washington, Oregon, and Idaho. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1859-60; Mount 
Adams, Suksdorf 115; Peshastin, Sandberg & Leiberg 514; Ellensburg, Elmer 411; North 
Yakima, Watt, August, 1895; Roslyn, Whited 463; Lake Keechelus, Piper 1112; near 
Leavenworth, Whited 188; Kittitas County, Henderson 2325; Horseshoe Basin, Lake & 
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. 
Rance: British Columbia to California and Idaho. 
SPECIMENS EXAMINED: Olympic Mountains, Piper, August, 1895; Amer 2514; Hender- 
son 245: Mount Rainier, Piper 1993; Allen 57; near Skagit Pass, Lake & Hull 510; Stevens 
Pass, Sandberg & Leiberg 712; Bridge Creek, Elmer 656. 
ZONAL bisTRIBUTION: Hudsonian. 
7. Spiraea corymbosa Raf. Prec. Dec. 36. 1814. 
Spiraea lucida Dougl.; Greene, Pittonia 2: 221. 1892. 
Type Locauity: “En Virginie.” 
Rance: 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, Whited 463; Wenache, Whited 188, 1184; Fort Vancouver, T'olmie; Peshastin, 
Sandberg & Leiberg 599; Columbia River, latitude 46° to 49°, Lyall in 1860; without 
locality, Vasey in 1889; Pullman, Piper 1522; Hull, May, 1892; Blue Mountains, Lake 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. betudaefolia Pallas. 
