PIPER—FLORA OF THE STATE OF WASHINGTON. 421 
3. Lomatium canbyi Coult. & Rose, Contr. Nat. Herb. 7: 210. 1900. 
Peucedanum canbyi Coult. & Rose, Bot. Gaz. 13: 78. 1888. 
Tyre Locairy: “High ridges, E. Oregon.”” Collected by Howell. 
Rance: Eastern Oregon, eastern Washington, and Idaho. 
SPECIMENS EXAMINED: Wenache, Whited 287; Ellensburg, Whited 287, 258 and May 4, 
1898: North Yakima, Mrs. Steinweg in 1894; Klickitat Valley, Howell 1367, 67; near 
Columbus, Suksdorf, April 13, 1886; Davenport, Geo. R. Sawyer, April 13, 1901; Rattle- 
snake Mountains, Cotton 567; Klickitat Hills, Gorman, April, 1895. 
ZONAL pistRiBUTION: Arid Transition and Upper Sonoran. 
4. Lomatium farinosum (Geyer) Coult. & Rose, Contr, Nat. Herb. 7: 210. 1900. 
Peucedanum farinosum Geyer; Hook. Lond. Journ, Bot. 6: 235. 1847. 
Ferula farinosa Geyer; Hook. Lond. Journ. Bot. Joc, cit. 
Type Locatiry: “On an isolated rock in the Coeur d’ Aleine Mountains on wet clay.” 
Collected by Geyer. 
Rance: Eastern Washington and Idaho. 
SPECIMENS EXAMINED: Pine City, Piper, May 6, 1898; Rock Lake, Sandberg & Levberg, 
May, 1893; Rock Creek, Sandberg & Leiberg 131; near Spangle, Piper, May 31, 1901; 
Almota, Piper 2794; Wawawai, Elmer 98; Piper 1567; Coulee City, Piper 3874; North 
Palouse River, Vasey, May 25, 1902. 
ZONAL bisrripuTIoN: Arid Transition. 
5. Lomatium piperi Coult. & Rose, Contr. Nat. Herb. 7: 211. 1900. 
Type Locauiry: “Ellensburg, Kittitas County, Wash.’’ Collected by G. R. Vasey. 
Rance: From the mountains of northern California to Washington. 
SPECIMENS EXAMINED: Klickitat Valley, Howell, February 15, May, 1878; Klickitat 
River, Flett 1304; White Salmon, Suksdorf 278; Klickitat Hills, Gorman, April, 1895. 
ZONAL bistripuTION: Arid Transition. 
6. Lomatium watsoni Coult. & Rose, Contr. Nat. Herb. 7: 211. 1900. 
Peucedanum watsoni Coult. & Rose, Bot. Gaz. 13: 209. 1888. 
Type Locauity: ‘Simcoe Mts.,” Yakima County, Wash. Collected by Howell. 
Rance: Mountains of Oregon and Washington. 
SPECIMENS EXAMINED: Near Columbus, Suksdorf; Klickitat, Howell 412, 413; Klickitat 
Hills, German, April, 1895; Simcoe Mountains, Howell 180. 
ZONAL DISTRIBUTION: Arid Transition. 
7. Lomatium cous (S. Wats.) Coult. & Rose, Contr. Nat. Herb. 7: 214. 1900. 
Cous. Bisourr Root, 
Peucedanum cous 8. Wats. Proc. Am. Acad. 21: 453. 1886. 
Type Locauity: “John Day’s Valley,’ Oregon. Collected by Howell. 
Rance: Eastern Oregon and Washington and adjacent Idaho. 
SPECIMENS EXAMINED: Blue Mountains, Piper 2341; Wawawai, Elmer 97; above Wawa- 
wai, Piper, May 6, 1901; Whitman County near Lewiston, B. Hunter 45. 
ZONAL pistRiBUTION: Arid Transition. , 
8. Lomatium circumdatum (S. Wats.) Coult. & Rose, Contr. Nat. Herb. 7: 213. 1900. 
Peucedanum circumdatum S. Wats. Proc. Am. Acad, 22: 474. 1887. 
Type Locauitry: “On hillsides in the Wallowa region of eastern Oregon.”” Collected by 
Cusick. 
Rance: Eastern Oregon and Washington and adjacent Idaho. 
SPECIMENS EXAMINED: Blue Mountains, /7orner 222. 
This species is not very satisfactorily distinguished from LZ. cous. Good series of speci- 
mens for both of these species are needed before their relations can be made clear. 
