134 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
24. Poa multnomae Piper, Bull. Torr. Club 32: 435. 1905. 
Sporobolus bolanderi Vasey, Bot. Gaz. 11: 337. 1896, not Poa bolanderi Vasey, 1882. 
Tyre LocaLity: Multnomah Falls, Oregon. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: Cape Horn, Piper 4902; Klickitat County, Suksdorf 77. 
ZONAL DISTRIBUTION: Humid Transition. 
25. Poa vaseyochloa Scribn. U.S. Dept. Agr. Div. Agrost. Cire. 9: 1. 1899. 
Poa pulchella Vasey, Bot. Gaz. 7: 32. 1882, not Salish. 1796. 
Type tocauiry: “On the Columbia river, from near the river bank to the summit of the 
hills,’ Klickitat County, Washington. Collected by Suksdorf. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: White Salmon River, Suksdorf 2; Columbia River, Klickitat 
County, Suksdorf 1; Mountains, Klickitat County, Suksdorf, April 28, 1881. 
26. Poa gracillima Vasey, Contr. Nat. Herb. 1: 272. 1893. 
Type Locauiry: Mount Adams, Washington. Collected by Suksdorf. 
RanGce: Washington and Oregon. 
SPECIMENS EXAMINED: Mount Adams, Suksdorf 33: Howell 86, 87; Henderson 2229; 
Mount Stuart, Elmer 1153. 
27. Poa saxatilis Scribn. & Williams, U.S. Dept. Agr. Div. Agrost. Cire. 9: 1. 1899, 
Type Locauity: “Mt. Rainier, Washington, altitude 2100 meters.” 
Rance: Washington to California, in the mountains. 
SPECIMENS EXAMINED: Olympic Mountains, Piper 1993, 983; Elmer 1928; Flett 834, 97: 
Mount Rainier, Piper 1961, 1962, 1963, 1964; Mount Stuart, E/mer 1154, 1155; Blue Moun- 
tains, Piper 2555, 
ZONAL DISTRIBUTION: Arctic. 
28. Poa idahoensis Beal, Grasses N. Am. 2: 539. 1896. 
Poa filifolia Vasey, Contr. Nat. Herb. 1: 271. 1893, not Schur. 1866, 
Poa scabrifolia Heller, Bull. Torr. Club 24: 310. 1897. 
Poa spillmani Piper, Erythea 7: 102. 1899. 
Tyre Locatiry: Hatwai Creek, Nez Perces County, Idaho. 
Rance: Washington and Idaho. 
SPECIMENS EXAMINED: Wenas, (riffiths d& Cotton 94; Douglas County, Spillman, May 
27, 1896. 
ZONAL DistRiBUTION: Arid Transition. 
29. Poa capillarifolia Scribn. & Williams, U. 5S. Dept. Agr. Div. Agrost. Cire. 9: 1. 
1899. 
Type Locatiry: California. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Cleman Mountain, Henderson 2238; Ellensburg, Piper 2614, 
2615; opposite Clarkston, Hunter 42. 
ZONAL DistripuTION: Arid Transition. 
30. Poa cottoni Piper, Proc. Biol. Soc. Wash. 18: 146. 1905. 
Typre Locauity: Rattlesnake Mountains, Yakima County, Washington. 
Rance: Eastern Washington and eastern Oregon. 
SPECIMENS EXAMINED: Rattlesnake Mountains, Cotton 557; Griffiths & Cotton 4, 20: 
Kahlotus, Cotton 1010. 
ZONAL DISTRIBUTION: Arid Transition. 
31. Poa cusickii Vasey, Contr. Nat. Herb. 1: 271. 1893. 
Tyre Locauiry: Oregon. Collected by Cusick. 
Rance: Washington and Oregon. 
