PIPER—FLORA OF THE STATE OF WASHINGTON. 503 
23. Pentstemon diffusus Dougl.; Lind], Bot. Reg. 14: pl. 1132. 1828. 
Type Locauity: “In the districts around the mouth of the Columbia River.’ Collected 
by Douglas. 
RanGeE: British Columbia to Oregon in the coast region. 
SPECIMENS EXAMINED: Olympic Mountains, Piper 2178; Mount Elinor, Jennie V. Getty, 
August, 1902; Mount Rainier, Piper 2068; Goat Mountains, Allen 129; Mount Adams, 
Suksdorf 48; Cascade Mountains, latitude 49°, Lyall; Goose Lake, Flett 1157; Baldy Peak, 
Lamb 1369: Silverton, Bouck 143; Skokomish River, Kincaid, June 17, 1892; Skagit Pass, 
Lake & Hull, August, 1892; Stevens Pass, Sandberg & Leiberg 787; Stehekin, Whited 
1386; Stampede Pass, Henderson, July 12, 1892; along Twisp River, Whited 218; Bridge 
Creek, Elmer 638; Clallam County, Elmer 2585; Stehekin, Griffiths & Cotton 609, 610; Cape 
Horn, Piper 5032. 
' ZONAL DISTRIBUTION: Canadian. 
24. Pentstemon triphyllus Dougl.; Lindl. Bot. Reg. 15: pl 1245. 1829. 
Type Locaity: “On decomposed dry granite, or schist rocks, on the Blue Mountains of 
North-west America.” 
Rance: British Columbia to Oregon and Idaho. 
SPECIMENS EXAMINED: ‘Boundary N. W. Coast,’ Cooper; Columbia Valley, Lyall in 
1860; Rockland, Suksdorf 998; Palouse River, Lyall, July, 1860; Snake River, Brandegee 
1010; Almota, Piper 1865; Wawawai, Lake & [Hull 710. 
ZONAL DISTRIBUTION: Upper Sonoran and Arid Transition. 
CHELONE. 
1. Chelone nemorosa Dougl.; Lindl. Bot. Reg. 14: pl. 1217. 1829. TURTLEHEAD. 
Chelone ramosa Dougl.; Hook. Fl. Bor. Am. 2: 95. 1838. 
Pentstemon nemorosus Trautv. Bull. Acad. St. Petersb. 5: 345. 1839. 
Type Locauity: “A native of mountain woods, near springs and rivulets, in the north- 
west of North America.’’ Collected by Douglas. 
Rance: British Columbia to north California. 
SPECIMENS EXAMINED: Olympic Mountains, Piper in 1890; Snoqualmie, Parker; Mount 
Rainier, Piper 2080; Allen 275; Mount Adams, Suksdorf; Klickitat River, Flett 1153; 
Green River Hot Springs, Piper in 1887; without locality, Vasey in 1889; Clallam County, 
Elmer 2575; Skokomish River, Kincaid, June, 1892; Stampede Tunnel, Henderson, July, 1892. 
ZONAL DISTRIBUTION: Canadian and Hudsonian. 
ILYSANTHES. 
1. lysanthes dubia (L.) Barnhart, Bull. Torr. Club. 26: 376. 1899. 
Gratiola dubia L. Sp. Pl. 17. 1753. 
Tlysanthes gratioloides Benth. in DC. Prod. 10: 419. 1846. 
Capraria gratioloides L. Sp. Pl. ed. 2. 2: 876. 1763. 
Type LocaLity: Virginia 
Rance: Washington to California and Canada to Texas and Florida. 
SPECIMENS EXAMINED: Green Lake, Piper 2864; west Klickitat County, Suksdorf 2192 
1473: Parker, Dunn, August 8, 1901; Lake Chelan, Lake & Hull, August 12, 1892, Waits- 
burg, Horner 593; Almota, Piper 2658; Toppenish, Griffiths & Cotton 797. 
ZONAL DISTRIBUTION: Upper Sonoran and Transition. 
GRATIOLA. 
Calyx with a pair of bracts equaling the calyx lobes ...........--.----- 1. G. virginiana. 
Calyx bractless....2...2.2...-2-2----------- gece eee eee eee eee eee 2. G. ebracteata. 
1. Gratiola virginiana L. Sp. Pl. 1: 17. 17538. 
Tyre vocaity: ‘‘ Habitat in Virginia.’’ 
Rance: British Columbia to Canada, south to California, Texas, and Florida. 
