PIPER—FLORA OF THE STATE OF WASHINGTON. 261 
Petals shorter than the pungent, lanceolate 1-nerved 
sepals... 2.222222 2220022222222 ee eee ee 5. A. franklinit. 
Petals wanting; plants minute, usually purplish ................ 8. A. pusilla. 
Valves of the capsule entire. 
Petals present. 
Leaves linear or lance-linear; marsh plants with soft and 
flaccid Jeaves and stems.....-..--..---.--------------- 6. A. paludicola. 
Leaves subulate or filiform, rather rigid. 
Sepals obtuse...... 22.22.22. 2202 2 eee ee eee 11. A. sajanensis. 
Sepals acute or cuspidate. 
Plants densely matted or tufted, alpine; cymes 
few-flowered. 
Herbage glandular; sepals not strongly nerved. 10. A. nuttallii. 
Herbage not glandular; sepalsstrongly nerved . 9. A. verna. 
Plants loosely or not at all matted; cymes dichoto- 
mously branched, several to many-flowered; low- 
land plant ........2.2.-2-2-222-2-2-.-------- 7. A. tenella. 
Type Locauity: Europe. 
SPECIMENS EXAMINED: Fairhaven, Piper, July, 1897; Whidby Island, Gardner 369; 
Seattle, Piper 551; Tacoma, Flett 2022; Clarke County, Suksdorf 1868, 101. 
2. Arenaria capillaris Poir. Encycl. 6: 380. 1804. 
Type Locauity: ‘‘Dans la Sibérie.” 
Rance: British Columbia to California and Utah. Siberia. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1860; head of Twisp 
River, Whited 211; Wenache Mountains, Whited 1283; Nason Creek, Sandberg & Leiberg 
681; Horseshoe Basin, Lake & Hull 486; without locality, Brandegee 674; Mount Carlton, 
Kreager 238; Wenache Mountains, Cotton 1187. 
ZONAL DISTRIBUTION: Arctic. 
2a. Arenaria capillaris nardifolia (Ledeb.) Regel, Bull. Soc. Nat. Mose. 35: 253. 1830. 
Arenaria nardifolia Ledeb. Ic. Fl. Ross. 1: 4. pl. 6. 1829. 
Tyre Locauity: ‘‘Hab. in rupibus alpium Altaicarum.”’ 
Rance: Alaska to California and Utah. Siberia. . 
SPECIMENS EXAMINED: Olympic Mountains, lett 806; Mount Rainier, Piper 620, 2121; 
Allen 238; Mount Stuart, Klmer 1115; Klickitat River, Mlett 1059. 
ZONAL DISTRIBUTION: Arctic. 
3. Arenaria congesta Nutt.; Torr. & Gr. Fl. 1: 178. 1838. 
Type Locauity: ‘‘Shady hills in the Rocky Mountain range, about Bear River of the 
Lake of Timpanagos.’’ Collected by Nuttall. 
Rance: Washington to California and Colorado. 
SPECIMENS EXAMINED: Chelan, Whited 1377; Conconully, Whited 1320; White Bluff, 
Lake & Hull 485; Wilson Creek, Lake & Hull 482; Loon Lake, Winston, July 20, 1897; 
Spokane, Spaulding; Suksdorf 252; Piper, June, 1897; Blue Mountains, Lake & Hull, 
July, 1892; Piper, July, 1896; Clarks Springs, Avreager 100. 
ZONAL DISTRIBUTION: Arid Transition. 
4. Arenaria glabrescens (S. Wats.) 
Arenaria fendleri glabrescens 8. Wats. Bot. King Explor. 40. 1871. 
Arenaria fendleri subcongesta S, Wats. loc. cit. 
Arenaria burkei Howell, Fl. N. W. Am. 85. 1897. 
Type Locatity: Toyabe Mountains, Nevada. 
Rance: Washington to Alberta, Arizona, and California. 
