PIPER FLORA OF THE STATE OF WASHINGTON. o/5 



2a. Vicia americana truncata (Nutt.) Brewer iu Brewer & Wats. Bol. Cal. 1 : 1.5S. 1876. 



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



Type LOCALrrv: "Plains of the Orep;(>n." Collected l)y Nut( all. 



Kange: Washington to California. 



Specimens examined: Seattle, Piper; Wenache, Wliittd lO.SO; wKhout locality, Vasey 

 in 1889. 



2b. Vicia americana linearis (Nutt.) S. Wats. Proc. Am. Acad. 11: 184. 1S7(). 



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, Binnfi, May 20, 18S9; west Klickitat County, 

 SuJcsdorf 2013, 2111; Waitslmrg, Horner 97. 



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



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



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



Range: Sitka to California in the coast region. 



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

 Henderson, May, 1892; Fairhaven, SnJcsdorf 964; Tacoma, Fhtt 3(5; Cascades, Sulcsdorf 

 534. 



Zonal distribution: Humid Transition. 



4. Vicia hirsuta (L.) Koch, Syu. Fl. Germ. 191. 1837. 

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



Vicia mitchelli Raf. Prec. Decouv. 37. 1814. 

 Type locality: European. 



Specimens examined: Tacoma, Leclrnhy, .Tune, 1898; Fleft 2225; Alki Point, Piper in 

 1S89. 



5. Vicia sativa L. vSp. Pi. 2: 730. 17."i3. Common vetch. 

 Type locality: European. 



Specimens examined: Clallam County, Elmer 2.533; Whidby Island, Gardner 75; Cas- 

 cades, Sulcsdorf 535. 



6. Vicia angustifolia Roth, Tent. Fl. Germ. 1: 310. 1788. 

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



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

 maniae." 



Specimens examined: Seattle, P//«r, July, 1895; Tacoma, F/r?^ 214. 



LATHYRUS. Pea. 



Herbage densely silky-villous 1 . L. litforedis. 



Herbage glabrous, or if pubescent not villou:'. 



Plants erect; tendrils wanting or nnich retluced. 



Flowers solitary 2. L. torreyi. 



Flowers 2 or more to each raceme. 



Corolla white; leaflets usually 3 pairs, oblong or 



ovate 3. L. ohovatu.s. 



Corolla purple. 



Stems tall; leaflets 4 to 7 pairs. 



Leaflets oblong to ovate, pubescent 



beneath 4. L. nuttallii. 



Leaflets lanceolate, pubescent on bofli 



sides 5. 7.. oreyonensis. 



Stems low; leaflets 1 or 2 pairs. 



