PIPER FLORA OP THE STATE OF WASHINGTON". 375 



2a. Vicia americana trvmcata (Nutt.) Brewer in Brewer & Wats. Bot. Cal. 1 : 158. 1876. 



Vicia truncata Nutt.; Torr. & Gr. Fl. 1 : 270. 1838. 



Type locality: "Plains of the Oregon." Collected by Nuttall. 



Range: Washington to California. ' 



Specimens examined: Seattle, Piper; Wenache, Whited 1080; without locality, Vasey 

 in 1889. 



2b. Vicia americana linearis (Nutt.) S. Wats. Proc. Am. Acad. 11: 134. 1876. 



Lathyrus linearis Nutt.; Torr. & Gr. Fl. 1 : 276. 1838. 



Type locality: " Plains of the Platte." 



Range: Washington to California and Wyoming. 



Specimens examined: Port Ludlow, Binns, May 20, 1889; west Klickitat County, 

 Sv.]csdorf 2013, 2111; Waitsburg, Horner 97. 



3. Vicia gigantea Hook. Fl. Bor. Am. 1 : 157. 1830. 



Vicia sitchensis Bong. Mem. Acad. St. Petersb. VI. 2: 129. 1832. 



Type locality: "Open woods on the Columbia." Collected by Scouler and by Douglas. 



Range: Sitka to California in the coast region. 



Specimens examined: Montesano, Heller 3849; Clallam County, Elmer 2530; Olympia, 

 Henderson, May, 1892; Fairhaven, Suksdorf 964; Tacoma, Flett 36; Cascades, Suksdorf 

 534. 



Zonal distribution: Humid Transition. 



4. Vicia hii-suta (L.) Koch, Syn. Fl. Germ. 191. 1837. 

 Ermim hirsutum L. Sp. PI. 2: 738. 1753. 



Vida mitchelli Raf. Prec. Decouv. 37. 1814. 

 Type locality: European. 



Specimens examined: Tacoma, Leckenby, June, 1898; Fhtt 2225; Alki Point, Piper in 

 1889. 



5. Vicia sativa L. Sp. PI. 2: 736. 1753. Common vetch. 

 Type locality: European. , 



Specimens examined: Clallam County, Elmer 2533; Whidby Island, Gardner 75; Cas- 

 cades, Suksdorf 535. 



6. Vicia angustifoHa Roth, Tent. Fl. Genn. 1: 310. 1788. 

 Vicia sativa angustifoHa Ser. in DC. Prod. 2: 361. 1825. 



Type locality: "Habitat in campis sterilissimis, inter segetes arenosas totius fere Ger- 

 maniae." 



Specimens examined: Seattle, Piper, July, 1895; Tacoma, Flett 214. 



LATHYRUS. Pea. 



Herbage densely silky-villous 1. L. littoralis. 



Herbage glabrous, or if pubescent not villous. 



Plants erect; tendrils wanting or much reduced. 



Flowers solitary 2. />. torreyi. 



Flowers 2 or more to each raceme. 



Corolla white; leaflets usually 3 pairs, oblong or 



ovate 3. L. ohovatus. 



Corolla purple. 



Stems tall; leaflets 4 to 7 pairs. 



Leaflets oblong to ovate, pubescent 



beneath ----- 4. L. mdtallii. 



Leaflets lanceolate, pubescent on both 



sides ' 5. L. oregonensis. 



Stems low; leaflets 1 or 2 pairs. 



