378 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Specimens examined: South Arbor, Larwi 1112; Fairhaven, Piyw, July 2, 1897; Coupe- 

 ville, Gardner 87; Port Ludlow, Binns, September 15, 1890; Fidalgo Island, Lijall in 1858; 

 Bellingham Bay, Siiksdorf 1823; Everett, Piper, July 9. 1892; Clallam County, Elmer 2528. 



Zonal distribution: Humid Transition. 



11. Lathyrus coriaceus White, Bull. Torr. Clul) 21: 452. 1894. 

 Type locality: Wasatch Mountains, Utah. 



Range: Washington to Arizona. 



Specimens examined: Seattle, 0. Piper; Wenache, TT^iW 148; Ellensburg, Pipe?- 2720; 

 Whited, July 9, 1897; Toppenish and Tampico, Ilendertion 2345; Toppenisli, Henderson in 

 1892; North Yakima, Leclcenhy; base Mount Adams, P?e« 1260, 1260a; Klickitat River, 

 Henderson 2344; Wenache, Griffiths cfe Cotton 147; Wenas, Griffiths <& Cotton 106; Clealum 

 Lake, Cotton 843; Kittitas Valley, Cotton 1208. 



Zonal distribution: Upper Sonoran. 



12. Lathyrus pauciflorus Fernald, Bot. Gaz. 19: 335. 1894. 



Lathyrus parvifolius S. Wats. Proc. Am. Acad. 17: 345. 1882, not Roth. 1797. 



Lathyrus shaffneri Rydberg, Mem. N. Y. Bot. Gard. 1 : 258. 1900. 



Type locality: Roseburg, Oregon. 



Range: Washington and Idaho to California and Mexico. 



Specimens examined: Nisqually Valley, Allen 132; west Klickitat County, Sulsdorfin 

 1886; Ellensburg, Piper 2679; Wenache Region, Brandegee 735; Wenache, Whited 1100; 

 Waitsburg, Horner 96; Wawawai, Piper, June 13, 1896; Lalce & Hull, June 4, 1892; 

 Almota, Piper 2797 and Jklay 27, 1893. 



Zonal distribution: Upper Sonoran and Arid Transition. 



Suksdorf's specimens were distributed and later listed as L. pohjmorphus Nutt., a species 

 that does not reach our bordei's. 



12a. Lathyrus pauciflorus tenuior Piper, F\. Palou.se Reg. 108. 1901. 



Type locality: Near Almota, Washington. 



Range: Eastern Washington. 



Specimens examined: West Klickitat Coimty, Suksdorf, April 23, 1886; Wenache, 

 Whited 127, 150, 2, 1107; Waitsburg, Horner 95; Almota, Elmer 52; Union Flat, Piper 

 2733; without locality, Vasey in 1889; Wenas, Griffdhs & Cotton 86; Wenache Mountains, 

 Griffiths & Cotton 129. 



Zonal distribution: Arid Transition and Upper Sonoran. 



Lathyrus venosus Muhl. Suksdorf lists this species, but we can discover no good 

 evidence that it occiu's in the State. 



GERANIACEAE. Geranium Family. 



Leaves palmate, variously cleft or divided Geranium (p. 378) . 



Leaves pinnately compound (in ours) . . Erodium (p. 380) . 



GERANIUM. 



Perennials; flowers large l.G. viscosissimvn). 



Annuals; flowers small. 



Seeds reticulate or pitted. 



Flowers deep purple; seeds pitted 4. 6*. dissectum.. 



Flowers pale purple; seeds reticulatcly ii..ge 1. 



Peduncles short; inflorescence compact 2.G. carolinianum. 



Peduncles long; inflorescence loose ... 3. 6^. bicknellii. 



Seeds smooth or nearly so. 



Carpels canescent, not rugose 5.G. pusillum. 



Carpels glabrous, rugose 6.G. inolle. 



