376 



CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Leaflets elliptic to olwvate 6. L. bijugatus. 



Leaflets linear to liuiceolate (ja. L. bijuyatux sandbergii. 



Plants climbing by simple or 3-forko(l tendrils. 



Stems winged 7. L. paluster. 



Stems wingless. 



Flowers yellowish becoming tawny S. L. sulphureus. 



Flowers blue-purple. 



Leaflets very tliin^ 5 to 8 pairs 9. L. polyphyUus. 



Leaflets firm, 3 to 6 pairs. 



Peduncles not exceeding tlie leaver; 

 leaflets not cuspidate. 

 . Leaflets ovate-oblong, glabrous. . . 10. /,. maritimus. 

 Ijeaflets linear-lanceolate or ellip- 

 tic. pulK\scent 11. L. coriaceus. 



Peduncles exceeding the leaves; leaf- 

 lets cuspidate. 



Leaflets ol)long or elliptic 12. L. pauciflorus. 



Leaflets linear or lanceolate 12a. L. pauciflorus tenuior. 



1. Lathyrus littoralis (Xutt.) Endl.; Walp. Repert. 1: 722. 1842. 

 Astrophia Utloralis Nutt.; Torr. & Or. Fl. 1 : 278. 18,'i8. 



Orobus littoralis A. Gray, Pac. R. Rep. 4: 54. 1859. 



Ti-PE IjOCAUTT: "Sand hilLs near the estuary of the Oregon." Collected by Nuttall. 

 Range: On the seacoa-st of Wa.shington and Oregon. 



Specimens examined: Laitilaw, Lamb 1119; Shoalwater Bay, Cooper; VVhidby Island, 

 Gardner S2; Oco.sta, Ilendernon, June, 1892; without locality, Wilkes Expedition. 

 Zonal distribution: Humid Transition. 



2. Lathyrus torreyi A. Gray, Proc. Am. Acad. 7: 337. 1868. 

 Lathyrus torreyi tenellus Wiegand, Bull. Torr. Club 26: 135. 1899. 



Type locality: Mendocino or south part of IlumlwldtOounty, California. 

 RAN(iE: Washington to California west of the Cawades. 



Specimens examined: Tacoma, Fletl, Junfc, 1897, 18(); Stcilacooni, Cooj)er; Puyallup, 

 Piper 3826; La Camas, IlenderHon, May 30, 1889; Manor, PijKr 3075. 

 Zonal distribution: Humid Tran.sition. 



3. Lathyrus obovatus (Torr.) White, Bull. Torr. Clul) 21: 455. 1894. 

 Lathyrus venosus obovatus Torr. Pac. R. Rep. 4: 77. 1857. 



Lathyrus nevadensis S. Wats. Proc. Am. Acad. 11: 133. 1876. 

 Type locality: "Mammoth Grove and Duffield's Ranch, California." 

 Range: Washington to California. 

 Specimens examined: Waitsbui^, Horner 93. 



3a. Lathyrus obovatus stipulaceus White, Bull. Torr. Club 21: 455. 1894. 



Type localiit: Colville to Spokane, Washington. Collected by the Wilkes Expedition. 

 Range: British Columbia and Wasliington. 

 Specimens examined: Spokane Valley, I^yaJl in 1861. 



4. Lathyrus nuttaUii S. Wats. Proc. Am. Acad. 21: 450. 1886. 

 Type locality: "Upper California." Collected by Kuttall. 

 Range: British Columbia to California in the coast region. 



Specimens examined: Olympic Mountains, Henderson 2349; Cascade Mountains, latitude 

 49°, LyaU in 1859; Cascade Mountains, Henderson 2346; Admiralty Head, Piper; Seattle, 

 Hindshaw; upper Nisqually Valley, Allen 297; Klickitat County, Henderson, June 1, 

 1884; Klickitat River, Flett 1261; Falcon Valley, SuJcsdorf 354; Lake Wenache, Sandberg 



