182 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
Rance: British Columbia to Nova Scotia, southward to Oregon, Nebraska, and New 
Jersey. 
SPECIMENS EXAMINED: Fairhaven, Piper 2810, 2604; Montesano, Heller 4016; Cascade 
Mountains, 49°, Lyall in 1859; Seattle, Piper 1452; Ophir, Elmer 517; Spokane, Piper, 
August 7, 1898; Clarks Springs, Areager 52; Usk, Kreager 362; Steptoe, Vasey 61. 
ZONAL DISTRIBUTION: Transition. 
11. Poa leptocoma Trin. Mem. Acad. St. Petersb. VI. 1: 374. 1830. 
Type Locaity: Sitka. 
Rance: Alaska to Washington. Siberia. 
SPECIMENS EXAMINED: Olympic Mountains, Fett 835; Mount Stuart, Sandberg & Lie- 
berg 806; Klickitat River, Cotton i451; Mount Adams, Suksdorf 108; Atanum River, Hen- 
derson 2230; Wenache Mountains, Elmer 470; Cotton 1308; Clallam County, Elmer 1919. 
ZONAL DISTRIBUTION: Hudsonian. 
All the Washington specimens that have been referred to Poa reflera belong to P. lep- 
tocoma. 
12. Poa bolanderi Vasey, Bot. Gaz. 7: 32. 1882. 
Tyre Locauity: California. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Blue Mountains, Piper 2558; Horner 489, 490. 
12a. Poa bolanderi chandleri (Davy). 
Poa howellii chandleri Davy, Univ. Cal. Bot. Publ. 1: 60. 1902. 
Type Locaity: “Shackleford Cafion, near Marble Mt., Siskiyou County,” California. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Blue Mountains, Piper 2558; Horner 651, 652; without locality, 
Vasey in 1889. 
13. Poa howellii Vasey & Scribn. U.S. Dept. Agr. Div. Bot. Bull. 137: pl. 78. 1893. 
Type Locauity: Portland, Oregon. Collected by Howell. 
Rance: British Columbia to California. 
SPECIMENS EXAMINED: Clallam County, Elmer 1924; Seattle, Piper 963, 962; Smith 
962; without locality, Suksdorf. 
ZONAL DISTRIBUTION: Humid Transition. 
14. Poa alpina L. Sp. Pl. 1: 67. 1753. 
TyPE LocaLity: ‘Habitat in alpibus Lapponicis, Helveticis.”’ 
Rance: Alaska to Labrador, south to Washington, Colorado, and Quebec. Asia. Europe 
SPECIMENS EXAMINED: North Fork Bridge Creek, Elmer 675. 
ZONAL DISTRIBUTION: Arctic. 
15. Poa pachypholis Piper, Proc. Biol. Soc. Wash. 18: 146. 1905. 
Type Loca.ity: “Ilwaco, Washington, on cliffs wet by the ocean spray, June 22, 1904.” 
Not otherwise known. 
16. Poa canbyi (Scribn.) 
Glyceria canbyi Scribn. Bull. Torr. Club 11: 77. 1883. 
Atropis canbyi Beal, Grasses N. Am. 2: 580. 1896. 
Type LocaLity: Cascade Mountains, Washington. Collected by Tweedy and by Bran- 
degee. 
SPECIMENS EXAMINED: Mount Stuart, Sandberg & Leiberg 819; Cascade Mountains 
Tweedy; Wenache Mountains, Cotton 1708. 
17. Poa leckenbyi Scribn. U.S. Dept. Agr. Div. Agrost. Cire, 9: 2. 1899. 
TyPE LocaLity: Scott, Klickitat County, Washington. Collected by Leckenby. 
Rance: Washington. 
