PIPEK FLORA OF THE STATE OF WASHINGTOK. 377 



<& Leiberg 634; Clealum, Whited 364, 365; without locality, Vasey in 1889; La Camas, 

 Gorman, June, 1884. 



Zonal distribution: Transition. 



The L. myrtifolius Muhl. of Suksdorf 's list is based on a specimen that we do not hesitate 

 to refer to L. nuttaUii. 



5. Lathyrus oregonensis White, Bull. Torr. Club 21: 456. 1894. 

 Type locality: Oregon. Collected by Cusick. 



Range: Eastern Washington and eastern Oregon. 

 Specimens examined: Falcon Valley, (SuArstZo)/ 536. 



6. Lathyrus bijugatus White, Bull. Torr. Club 21: 457. 1894. 

 Type locality: Latah County, Idaho. Collected by Sandberg. 

 Range: Washington and Idaho. 



Specimens examined: Spokane County, Suksdorf 1824; Spokane, Wilkes Expedition 

 572; Hangman Creek, Sandberg cfc Leiberg 24; Pullman, Elmer 214. - 

 Zonal distribution: Arid Transition. 



6a. Lathyrus bijugatus sandbergii White, Bull. Torr. Club 21: 457. 1894. 



Lathyrus sandbergii Howell, Fl. N. W. Am. 1 : 160. 1898. 



Type locality: Latah County, Idaho. 



Range: Idaho and adjacent Washington. 



Specimens examined: Spokane Valley, LyaZZ in 1861; Pullman, J?Zmer 830; Piper 1488, 

 and June, 1894. 



Zonal distribution: Arid Transition. 



7. Lathyrus paluster L. Sp. PI. 2: 733. 1753. 



Lathyrus occidentalis Nutt.; Torr. & Gr. Fl. 1 :276.' 1838, as synonym. 



Type locality: Europe. 



Range: Alaska to Labrador, south to California and New York. Europe. 



Specimens examined: San Juan Island, Lyall in 1858; latitude 49° boundary, Lyall in 

 1858-59; Whidby Island, Gardner 91; Seattle, Piper 726; Smith; Yakima River, Hen- 

 derson 2347; Everett, Piper 4916. 



Zonal distribution: Humid Transition. 



8. Lathyrus sulphureus Brewer; A. Gray, Proc. Am. Acad. 7: 399. 1868. 



Type locality: "In woods along foot hills of Sierra Nevada," California. Collected 

 by Brewer. 



Range: Washington to California west of the Cascades and Sierras. 



Specimens examined: Seattle, Piper 482; Olympia, Henderson 2348; Loomis, Grif- 

 fiths cfe Cotton 337. 



Zonal distribution: Transition. 



This species seems too close to L. ochroleucus Hook. 



9. Lathyrus polyphyllus Nutt.; Torr. & Gr. Fl. 1: 274. 1838. 



Type locality: "Forests of the Oregon to the sea." Collected by Nuttall. 

 Range: British Columbia to north California in the coast region. . 



Specimens examined: Clallam County, Elmer 2535; Seattle, Piper 481; Tacoma, Flett, 

 May, 1895; west Klickitat County, Suksdorf 2021 . 



Zonal distribution: Humid Transition. < 



10. Lathyrus maritimus (L.) Bigel. Fl. Bost. ed. 2. 268. 1824. 

 Pisum maritirnum L. Sp. PI. 2: 727. 1753. 



Type locality: Europe. ' 



Range: Seacoasts, Labrador to New Jersey, and Alaska to Oregon; shores of the Great 

 Lakes. 



