PIPER—FLORA OF THE STATE OF WASHINGTON. 375 
2a. Vicia americana truncata (Nutt.) Brewer in Brewer & Wats. Bot. Cal. 1: 158. 1876. 
Vicia truncata Nutt.; Torr. & Gr. Fl. 1: 270. 1838. 
Tyre Locauiry: “ Plains of the Oregon.” Collected by Nuttall. 
Rance: 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. 1888. 
Tyre vocauity: “ Plains of the Platte.” 
Rance: Washington to California and Wyoming. 
SPECIMENS EXAMINED: Port Ludlow, Binns, May 20, 1889; west Klickitat County, 
Suksdorf 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. 
Tyre LocaLity: ‘Open woods on the Columbia.”” Collected by Scouler and by Douglas. 
RanGE: Sitka to California in the coast region. 
SPECIMENS EXAMINED: Montesano, /Teller 3849; Clallam County, Kilmer 2530; Olympia, 
Henderson, May, 1892; Fairhaven, Suksdorf 964; Tacoma, Flett 36; Cascades, Suksdorf 
534, 
ZONAL DISTRIBUTION: Humid Transition. 
4. Vicia hirsuta (L.) Koch, Syn. Fl. Germ. 191. 1837. 
Ervum hirsutum L. Sp. Pl. 2: 738. 1753. 
Vicia mitchelli Raf. Prec. Decouv. 37. 1814. 
Tyee LocaLity: European. 
SPECIMENS EXAMINED: Tacoma, Leckenby, June, 1898; lett 2225; Alki Point, Piper in 
1889. 
5. Vicia sativa L. Sp. Pl. 2: 736. 1753. COMMON VETCH. 
TypE LocALity: European. 
SPECIMENS EXAMINED: Clallam County, //mer 2533; Whidby Island, Gardner 75; Cas- 
cades, Suksdorf 535. , 
6. Vicia angustifolia Roth, Tent. Fl. Germ. 1: 310. 1788. 
Vicia sativa angustifolia Ser. in DC. Prod. 2: 361. 1825. 
Tyee Locauitry: ‘ Habitat in campis sterilissimis, inter segetes arenosas totius fere Ger- 
maniae.”’ 
SPECIMENS EXAMINED: Seattle, Piper, July, 1895; Tacoma, Fett 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... -.----------------- 2. L. torreyi. 
Flowers 2 or more to each raceme. 
Corolla white; leaflets usually 3 pairs, oblong or 
ovate. ...-.-----2-2-----2---------+----- 3. L. obovatus. 
Corolla purple. 
Stems tall; leaflets 4 to 7 pairs. 
Leaflets oblong to ovate, pubescent 
beneath ......-.-.--------------- 4. L. nuttallii. 
Leaflets lanceolate, pubescent on both 
sides... ..-2-.-.-2------ 20-222 --- 5. L. oregonensis. 
Stems low; leaflets 1 or 2 pairs. 
