PIPER FLORA OP THE STATE OF WASHINGTON. 213 



Specimens examined: Montesano, Heller 3856; Clallam County, Elmer 2429; west 

 Klickitat County, Suksdorf, May 20, I§86; Cowlitz, Engelman cfc Sargent, August 16, 1880; 

 Nisqually Valley, Allen 109; Lake Chelan, Lake <& Hull, August 12, 1892; Stehekin, 

 Griffiths & Cotton 191. 



Zonal distribution: Humid Transition. 



Hooker (Fl. Bor. Am. 2: 148) erroneously referred our plant to S. lucida Muhl. 



2a. Salix lasiandra caudata (Nutt.) Sudw. Bull. Torr. Club 20: 43. 1893. 



Salix peniandra caudata Nutt. Sylva 1 : 61. 1842. 



Salix fendleriana Anders. Ofv. Vet. Akad. Foerh. 15: 115. 1858. 



Salix lasiandra fendleriana Bebb in S. Wats. Bot. Cal. 2: 84. 1880. 



Type locality: "By streams in the valleys of the Rocky Mountains toward their 

 western slope, in Oregon, and also in the Blue Mountains of the same territory." 



Range: British Columbia to New Mexico and Arizona. 



Specimens examined: Ellensburg, Whited 332; Wenache, Whited 1044; Cottonwood 

 Creek, Vqsey in 1901 ; Thorn Creek, Vasey in 1901 ; Mabton, Cotton 369; Cascade Mountains, 

 Watson 368; Rock Lake, Sandberg & Leiherg 111; Ritzville, Sandberg <& Leiberg 197; 

 Sprague, Sandberg & Leiberg 197; Blue Mountains, Piper, July 17, 1896; Waitsburg, 

 Horner 449, 450; Pullman, Elmer 835; Piper 1775; Hull 768; without locality, Vasey in 

 1889; Cow Creek, Griffiths & Cotton 539; North Yakima, Griffiths <h Cotton 60. 



Zonal distribution: Upper Sonoran and Arid Transition. 



3. Salix sessilifolia Nutt. Sylva 1 : 68. 1842. 



Type locality : "On the rocky borders of the Oregon at the confluence of the Wahlamet." 

 This species is included in Suksdorf's list, but we have seen no Washington specimens. 



As it is abundant at the mouth of the Willamette, however, it will certainly be found on the 



north bank of the Columbia. 



4. Salix melanopsis Nutt. Sylva 1 : 78. 1842. 



Type locality: "At Fort Hall * * * on the alluvial lands of Lewis River," 

 Idaho. Collected by Nuttall. 



Range: British Columbia to Idaho and Oregon. 



Specimens examined: Snoqualmie Falls, Piper <& S7nith 614; Yelm Prairie, Piper, 

 August 5, 1889; Trout Lake, Suksdorf 36, 38, 37; Klickitat River, Suksdorf 35; North 

 Yakima, Elmer 1081; ConconuUy Creek, Griffiths cfe Cotton 315; Fcshastm, Sandberg cfe 

 Leiberg 480; Spokane, Piper 3522; Wawawai, Piper 2915, 3597, 3593. 



Zonal distribution: Upper Sonoran and Transition. 



5. Salix argophylla Nutt. Sylva 1: 71. 1842. 



Type locality: "On the Boise River, toward its junction with the Shoshonee," Idaho. 

 Collected by Nuttall. 



Range: Washington, Oregon, and Idaho. 



Specimens examined: West Klickitat County, Suksdorf 34, 6; North Yakima, Hender- 

 son, May 26, 1892; ConconuUy, Griffiths c& Cotton 276; Cow Creek, Griffiths d; Cotton 528; 

 Sprague, Sandberg cfe Leiberg 134; North Palouse River, Vasey in 1901. 



Zonal distribution: Upper Sonoran. 



6. SaHx exigua Nutt. Sylva 1 : 75. 1842. 



Type locality: "A native of the territory of Oregon." According to Nuttall this species 

 grows with S . Jiuviatilis Nutt. on " the immediate border of the Oregon below its conflu- 

 ence with the Wahlamet." 



Range: Washington, Oregon, Idaho. 



Specimens examined: Ellensburg, Whited 333; Crab Creek, Lake <& Hull 767; Thorn 

 Creek, Vasey in 1901; Pullman, Piper 3585; Almota, Piper 3586; Wawawai, Piper 3596, 

 1774, 3594. 



