PIPEB — FLORA OF THE STATE OF WASHINGTON. 109 



Specimens examined: Douglas County, <SpiZZman, May, 1886; Sandberg cS; Leiberg, 240; 

 Wenache, Whited 1130, 1229; North Yakima, Mrs. Steinweg; Connell, Leckenby, June, 

 1897; Spokane, Piper 2600; Pasco, Piper in 1897; Snipes Mountain, Cotton 379; Kittitas 

 County, Vasey 121; Eltopia, Cotton 1017; Ephrata, Griffiths cfe Cotton 495; Brewster, 

 Griffiths & Cotton 254. 



Zonal distkibution: Upper Sonoran. 



8a. Stipa comata intonsa subsp. nov. 



Differs from S. comata in having the leaves densely puberulent. 



Specimens examined: Near Rockland, Klickitat County, SvksdorflQQQ, type. 



ORYZOPSIS. 



Low alpine species with narrow strict panicles. 



Awn of the lemma 3 to 4 mm. long • \.0. exigua. 



Awn of the lemma 10 to 12 mm. long 2. 0. hendersoni. 



Tall lowland plants with loose panicles. 



Glumes equal, cuspidate; awn 3 to 5 mm. long 4. 0. hymenoides. 



Glumes equal ; awn 10 to 15 mm. long 3.0. bloomeri. 



1. Oryzopsis exigua Thurb. Bot. Wilkes Exped. 481. 1874. 

 Type locality: "Cascade Mountains, Oregon." 

 Range: Washington, Idaho, Oregon. 



Specimens examined: State of Washington, SuJcsdotf, in 1883; Cascade Mountains, 

 Kittitas County, Vasey 34. 



Zonal distribution : Hudsonian or Arctic. 

 This grass grows in granitic sand near timber line. 



2. Oryzopsis hendersoni Vasey, Contr. Nat. Herb. 1: 267. 1893. 



Type locality: "In Washington." Collected by Henderson (no. 2249). 



Range: Known only from the type collection. 



Specimens examined: Summit of Mount Cleman, //en^trson 2249. 



3. Oryzopsis bloomeri (Boland.) Ricker. 



Stipa bloomeri Boland. Proc. Cal. Acad. 4: 168. 1872. 



Type locality: "Bloody Canon, near Mono Lake," California. 



Range: Washington to Montana and California. 



Specimens examined: Doug]&s County, Sandberg ck Leiberg 231. 



Zonal distribution: Arid Transition. 



4. Oryzopsis hymenoides (Roem. & Schult.) Ricker. 

 Stipa hymenoides Roem. & Schult. Syst. 2: 339. 1817. 

 Eriocoma cuspidata Nutt. Gen. 1: 40. 1818. 



Stipa membranacea Pursh, Fl. 2: 728. 1814, not L. 1753. 



Oryzopsis membranacea Vasey, U. S. Dept. Agr. Div. Bot. Bull. 12: pi. 10. 1891. 



Eriocoma membranacea Beal, Girasses N. Am. 2: 232. 18G6. 



Oryzopsis cuspidata Benth; Vasey, U. S. Dept. Agr. Spec. Rep. 63: 23. 1883. 



Type locality: "On the banks of the Missouri." 



Range: British Columbia to California, east to Alberta and New Mexico. 



Specimens examined: Douglas County, Spillman, May, 1896; Sandberg cfc Leiberg, 281; 

 EUensburg, Piper, May, 1897; North Yakima, 7/eruZerson, May, 1892; Mrs. Sieiniveg in 1894; 

 Pasco, Piper 2964; Hindshaw 33; Sunnyside, Cotton 416; Rattlesnake Mountains, Cotton 

 421; Walla Walla, Lyall, June, 1860; Sprague, Sandberg cfc Leiberg, June, 1893; Kittitas 

 County, Vasey 85; Wallula, Cotton 1030, 1048. 



Zonal distribution ; Upper Sonoran. 



