PIPER—FLORA OF THE STATE OF WASHINGTON. 109 
SPECIMENS EXAMINED: Douglas County, Spillman, May, 1896; Sandberg & 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 & Cotton 495; Brewster, 
Griffiths & Cotton 254. 
ZONAL DISTRIBUTION: Upper Sonoran. 
8a. Stipa comata intonsa subsp. nov. 
Differs from S. comata in having the leaves densely puberulent. 
SPECIMENS EXAMINED: Near Rockland, Klickitat County, Suksdorf 1026, type. 
ORYZOPSIS. 
Low alpine species with narrow strict panicles. 
Awn of the lemma 3 to 4 mm. long. .....-----------+-----+----- 1. O. exigua. 
Awn of the lemma 10 to 12 mm. long. ....-.---.--------------- 2. O. hendersoni. 
Tall lowland plants with loose panicles. 
Glumes equal, cuspidate; awn 3 to 5mm. long.......---.------- 4. O. hymenoides. 
Glumes equal; awn 10 to 15 mm. long... ...-...---.----------- 3. O. bloomeri. 
1. Oryzopsis exigua Thurb. Bot. Wilkes Exped. 481. 1874. 
Type Locauity: “Cascade Mountains, Oregon.”’ 
Rance: Washington, Idaho, Oregon. 
SPECIMENS EXAMINED: State of Washington, Suksdorf, in 4883; 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 Locauity: “In Washington.’’ Collected by Henderson (no. 2249). 
Rance: Known only from the type collection. 
SPECIMENS EXAMINED: Summit of Mount Cleman, Henderson 2249. 
3. Oryzopsis bloomeri (Boland.) Ricker. 
Stipa bloomeri Boland. Proc. Cal. Acad. 4: 168. 1872. 
Type Loca.ity: ‘Bloody Canon, near Mono Lake,” California. 
Rance: Washington to Montana and California. 
SPECIMENS EXAMINED: Douglas County, Sandberg & Leiberg 231. 
ZONAL pbistRiBUTION: 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: pl. 10, 1891. 
Eriocoma membranacea Beal, Grasses N. Am. 2: 232. 1896. 
Oryzopsis cuspidata Benth; Vasey, U.S. Dept. Agr. Spec. Rep. 63: 23. 1883. 
Type Locauity: “On the banks of the Missouri.” 
Rance: British Columbia to California, east to Alberta and New Mexico. 
SPECIMENS EXAMINED: Douglas County, Spillman, May, 1896; Sandberg & Leiberg, 281; 
Ellensburg, Piper, May, 1897; North Yakima, Henderson, May, 1892; Mrs. Steinweg in 1894; 
Pasco, Piper 2964; Hindshaw 33; Sunnyside, Cotton 416; Rattlesnake Mountains, Cotton 
421; Walla Walla, Lyall, June, 1860; Sprague, Sandberg & Leiberg, June, 1893; Kittitas 
County, Vasey 85; Wallula, Cotton 1030, 1048. 
ZONAL DISTRIBUTION: Upper Sonoran, 
