120 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



8. Agrostis ampla A. S. Hitchcock, U. S. Dept. Agr. Bur. PI. Ind. Bull. 68: 38. 1905. 

 TiPE localitt: "On wot rocks near Rooster Rock, Multnomah County, Or^on." 

 Range: British Columbia to Arizona. 



Specimens examined: Olympic Mountains, £'Zm«r 1953; Seattle, //e»i<f«rson 2113; What- 

 com Llake, Sulcsdorf 132; Bingen, SvJcsdorf 2S29; Falcon Valley Suksdorf 132; Skamania 

 County, F^« 1389. 



Zonal distribition: Humid Transition. 



This species was previously referred to the Mexican A. tiresctn.s U. B. K. 



9. Agrostis exarata Trin. Gram. Unifl. 207. 1824. 



Agrostis grandis Trin. Mem. Acad. St. Pet^rsb. IV. 6^: 316. 1841. 



Agrostis asperifolia Trin. op. cit. 317. 



Agrostis scouUri Trin. op. cit. 329. 



Agrostis albicans Buckl. Proc. .Vcad. Phila. 1862: 91. 1862. 



TiPE localitt: "Ex Unalaschka." Collected by Eschscholtz. 



Range: Alaska to Mexico. 



Specimens examined: Olympic Mountains, Elmer 1952; Clallam County, Elmer 1949; 

 Montesano, Ilelkr 4018; Point Orchard, Piper 2311; Seattle, Henderson 2114; Upper 

 Nisqually Valley, Allen 45; Wenache Region, Brandegee 1163; North Yakima, Watt, 

 August, 1895; Yakima River, Cotton 425; Cascade Mountains, 49°, Lyall in 1859; South- 

 bend, Spillman, August 17, 1899; Chelan, Elmer 485; Douglas County, Sandberg ife Leiberg 

 370; Wilson Creek, Lake ct Hull 97; Spokane, Pij)er 28,52, 2623; Steptoe, Vaseg, June, 

 1900; Waitsburg, Homer 499; Blue Mountains, Salmon River, Homer 496; i'ullman, 

 Piper 1759, 1923; Cascade Mountains, Vasey 149. 



Zonal distribution : Upper Sonoran to Arctic. 



10. Agrostis rossae Vaaey, Contr. Nat. Herb. 3: 76. 1892. 



Agrostis inrians Trin. Mem. Acad. Petersb. VI. 6': 314. 1841, not Thuill. 1790. 



Agrostis variabilis Rydberg, Mem. N. Y. Bot. Card. 1: 32. HXX). 



Type locality: Yellowstone Park, Wyoming. 



Range: British Columbia to Colorado and California. 



Specimens examined: Olympic Mountains, Elm^r 1948, Piper 1994; Nason Creek, 

 Sandberg tfe Leiberg 656; Mount Rainier, Allen 179; Piper 1978, 1979, 1972, 1980, 1970; 

 Skamania County, Suksdorf 1020; Mount Adams, Henderson 2127; Atanum River, Hen- 

 derson 2119; Horseshoe Basin, Elmer 730; Walla Walla, PijH'r 179a. 



Zonal distribution: Hudsonian and Arctic. 



11. Agrostis hyemalis (Wait.) B. S. P. Prel. Cat. N. Y. 68. 1888. 

 Comucopiae hyemalis Walt. Fl. Car. 73. 1788. 



Agrostis scabra Willd. Sp. PI. 1: 370. 1799. 



Agrostis nutkaensis Kunth, Enum. PI. 1: 222. 1833. 



Trichodium album Presl, Rel. Haenk. 1 : 244. 1§30. 



Agrostis laxiflora (Michx.) Richards. Bot. App. Frank!. Journ. 731. 1823. 



Type locality; Carolina. 



Range: Throughout most of North America. 



Specimens examined: Clallam County, Elmer 1950; Southbend, SpiUman, August 17, 

 1899; Orcas Island, Henderson 2112; Snoqualmie Falls, Piper 827; Nisqually Valley, 

 Allen 43; Tacoma, Flett 17; Cascade Mountains, Henderson, August, 1892; Tieton River, 

 Cotton 435; North Yakima, Watt in 1895; Glenwood, Fhtt 1395; Parker, Dunn, August 8, 

 1901; Ophir, Elmer 510; Loomis, Elmer 557; Thorn Creek, Fa«ei/, July 10, 1901; Steptoe, 

 Vasey, July, 1900; Spokane, Henderson 2111; Pulhnan, Piper 1927; Blue Mountains, 

 Homer 505; Cascade Mountains, Vasey 382, 68. 



Zonal distribution: Transition. 



