PIPER—-FLORA OF THE STATE OF WASHINGTON, 131 
SPECIMENS EXAMINED: Fairhaven, Piper 2605; Ellensburg, Piper 2618; Steptoe, Vasey 
50; Colfax, Vasey 60. , 
3. Poa macrantha Vasey, Bull. Torr. Club 15: 11. 1888. 
Type Locariry: “At the mouth of the Columbia River.’ Collected by Howell. 
RanGE; Seacoast of Oregon and Washington. 
SPECIMENS EXAMINED: Coupeville, Gardner 335; Clallam County, Elmer 1923; West- 
port, Henderson 2243; Heller 3944. 
ZONAL DISTRIBUTION: Humid Transition. 
4. Poa pratensis L. Sp. Pl. 1: 67. 1753. KENTUCKY BLUEGRASS. 
Type Locatity: “ Habitat in Europae pratis fertilissimis.”’ 
SPECIMENS EXAMINED: Clallam County, Elmer 1922, 1920; near Montesano, Heller 3866; 
White River, Vasey 125; Cascade Mountains, Vasey 124; Sunnyside, Cotton 375; Spokane, 
Sandberg & Leiberg, May, 1893; Steptoe, Vasey 21; Colfax, Vasey, June 20, 1900; Pullman, 
Piper, June, 1893. 
5. Poa confinis Vasey, U.S. Dept. Agr. Div. Bot. Bull. 18°: pl. 75. 1893. 
Poa abbreviata R. Br. err. det. Thurb. in Wats. Bot. Cal. 2: 312. 1880. 
Type Locaity: Tillamook Bay, Oregon, according to label on type specimen. Col- 
lected by Howell. 
RanGeE: Alaska to Oregon. 
SPECIMENS EXAMINED: Westport, Henderson 2245; Port Angeles, Piper 2308; Clallam 
County, Elmer 1921; Port Discovery, Wilkes Expedition; Port Orchard, Piper; Johns 
Island, Lawrence 200; Ilwaco, Piper. 
ZONAL DISTRIBUTION: Humid Transition. 
6. Poa nervosa (Hook.) Vasey, U.S. Dept. Agr. Div. Bot. Bull. 18?: pl. 87. 1893. 
Festuca nervosa Hook. Fl. Bor. Am. 2: 251. 1840. 
Type Locatiry: “ Nutka Sound.’ Collected by Scouler. 
Rance: British Columbia to Oregon. 
SPECIMENS EXAMINED: Cape Horn, Piper 4901. 
ZONAL DISTRIBUTION: Humid Transition. 
7. Poa olneyae Piper, Erythea 7: 101. 1899. 
TYPE LocaLiry: Spokane, Washington. 
RanGeE: British Columbia to Oregon and Idaho. 
SPECIMENS EXAMINED: Klickitat River, Flett 1358; Falcon Valley, Suksdorf 10: Mount 
Adams, Suksdorf 160; Cleveland, Suksdorf 109; Simcoe Mountains, Howell 9: Mount 
Stuart, Eimer 1159; Atanum River, Henderson 2226; Upper Naches River, Henderson 
2235; Spokane, Sandberg & Leiberg, May, 1893; Piper 2295, 2820; Wenache Mountains, 
Elmer 467, 468, 444; Whited 672; Cotton 1262, 1627, 1658. 
ZONAL DISTRIBUTION: Arid Transition. 
This species is near P. wheeler’ Vasey and our plant has been referred to that species. 
8. Poa trivialis L. Sp. PI. 1: 67. 1753. RovuGH MEADOW GRASS. 
Tyre Locauiry: “Habitat in Kuropae pascuis.” 
SPECIMENS EXAMINED: Tacoma, Piper, July 5, 1897; Puyallup, Piper 3927, 3928. 
9. Poa arctica R. Br. Suppl. to App. Parry’s Voy. 288. 1824. 
Type Locatity: Melville Island. 
Rance: Alaska to Labrador, south to Washington and Colorado. 
SPECIMENS EXAMINED: Mount Rainier, Allen 46; Piper 1966. 
Both these collections were distributed as Poa lava Haenke. 
ZONAL DISTRIBUTION: Arctic. 
10. Poa triflora Gilib. Exerc. Phyt. 2: 531. 1792. 
Poa serotina Ehrh. Beitr. 6: 83. 1791, nom. nud. 
TYPE LOCALITY: Europe. 
