PIPER—-FLORA OF THE STATE OF WASHINGTON. 251 
Sandberg & Leiberg 585; Horseshoe Basin, Lake & Hull, August, 1892; Bridge Creek, Elmer 
713; without locality, Cooper. 
ZONAL DISTRIBUTION: Canadian and Transition. 
11. Claytonia diffusa Nutt.; Torr. & Gr. Fl. 1: 202. 1888. 
Montia diffusa Greene, F]. Fran. 181. 1891. 
Tyre Locauity: “In pine woods, a few miles above Fort Vancouver.”’ Collected by 
Nuttall. 
Rance: Washington to California in the coast region. 
SPECIMENS EXAMINED: Gig Harbor, Flett 5; Larm River, Suksdorf'104; Seattle, Piper in 
1885. 
ZONAL DISTRIBUTION: Humid Transition. 
12. Claytonia dichotoma Nutt.; Torr. & Gr. Fl. 1: 202. 1838. 
Montia dichotoma Howell, Erythea 1: 36. 1893. 
Type Locauity: “In wet places on rocks, near the junction of the Wahlamet with the 
Oregon.”’ Collected by Nuttall. 
Rance: Washington, Idaho, and Oregon. 
SPECIMENS EXAMINED: Klickitat Hills, Gorman, April, 1895; Howell 89; White Salmon, 
Suksdorf, June, 1878; Spokane, Piper 2667, May 19, 1899; Pullman, Elmer 173; without 
locality, Geyer 648. 
ZONAL pistRiBuTION: Arid Transition. 
13. Claytonia linearis Dougl.; Hook. Fl. Bor. Am. 1: 224, pl. 71. 1834. 
Montia linearis Greene, Fl. Fran. 181. 1891. 
Type Loca.ity: “Moist rocky places; on the Great and Little Falls of the Columbia, 
abundant.” Douglas. 
Rance: British Columbia to Montana and California. . 
SPECIMENS EXAMINED: Whidby Island, Gardner 55; Tacoma, Flett 3; Klickitat River, 
Flett 1289: Hangman Creek, Sandberg & Leiberg 41; without locality, Douglas; without 
locality, Geyer 317; Pullman, Elmer 157; Piper 1713; Hull, May 24, 1892; Moore, May 16, 
1893: Vancouver, Piper 4946; Seattle, Piper in 1889. 
ZONAL DISTRIBUTION: Transition. 
14. Claytonia howellii (S. Wats.). 
Montia howellii S. Wats. Proc. Am. Acad. 18: 191. 1883. 
Type Locatity: “On Sauvies Island, in the Willamette River, Oregon.” Collected by 
Howell. 
Rance: British Columbia to Oregon in the coast region: 
SPECIMENS EXAMINED: Seattle, Piper 241. 
ZONAL DISTRIBUTION: Humid Transition. 
SPRAGUEA. 
1. Spraguea multiceps Howell, Erythea 1: 39. 1893. 
Spraguea umbellata caudicifera A. Gray, Syn. Fl. 1: 278, 1895, 
TypE LocaLity: Mount Hood, Oregon. 
Rance: Washington and Oregon to Wyoming. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1860; Mount Rainier, 
Piper 2091, 37; Allen 101; Mount Adams, Suksdorf, September, 1877; Flett 1052; Nason 
Creek, Sandberg & Leiberg 659; without locality, Cooper. 
ZONAL DISTRIBUTION; Arctic. 
