PIPER FLORA OF THE STATE OF WASHINGTON. 503 



23. Pentstemon diflfusus Dougl.: Lindl. Bot. Reg. 14: pi. 1132. 1828. 



Type locality: "In the districts around the mouth of the Cokuiil)ia River." Collected 

 by Douglas. 



Range: British Columbia to Oregon in the coa.st region. 



Specimens examined: Olympic Mountains, Piper 2178; Mount Elinor, Jennie V . Getty, 

 August, 1902; Mount Rainier, Piper 2068; Goat Mountains, Allen 129; Mount Adams, 

 SitJcsdorf 48; Cascade Mountains, latitude 49°, LyaU; Goo.se Lake, Fleit 1157; Baldy Peak, 

 Lamh 1369; Silverton, 5o)/ri' 143; Skokomish River, Kincaid, June 17, 1892; Skagit Pass, 

 Lake c& 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 258."); Stehekin, OriffitU d- Cotton G09, 610; (\ipe 

 Horn, Piper 5032. 



Zonal distribution: Canadian. 



24. Pentstemon triphyllus Dougl.: Lindl. Bot. Reg. 15: />/ UJf'). 1829. 



Type locality: "On decomposed dry granite, or schist rocks, on the Blue Mounlains of 

 North-west America." 



Range: British Columbia to Oregon and Idaho. 



Specimens examined: "Boundary N. W. Coa.st," Cooper; Columbia Valley, iya/^ in 

 1860; Rockland, .S'uA-.vr/o// 998; Palouse River, LyaR, i\\\y, 1860; Snake River, Brandegee 

 1010; Almota, Piper 1865; Wawawai, Lal'e d- Hull 710. 



Zonal distribution; Upper Sonoran and Arid Transition. 



CHELONE. 



1. Chelone nemorosa Dougl.; Lindl. Bot. Keg. 14: pi. 1211. 1829. Turtlehead. 



Chelone raniosa Dougl.; Hook. F'l. Bor. Am. 2: 95. 1838. 



Pentstemon nemorosus Trautv. Bull. Acad. St. Petersb. 5: 345. 1839. 



Type locality: "A native of mountain woods, near springs and rivulets, in the north- 

 west of North America." Collected by Douglas. 



Range; 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, Elett 1153; 

 Green River Hot Springs, Piper in 1887; without locality, Vui^ey in 1889; Clallam County, 

 Elmer2575; SkokomishRiver, Ziricau/, June, 1892; StampedeTunnel,/7en(/ens'07i, July, 1892. 



Zonal dlstributio.v: Canadian and HudsoniaiK 



ILYSANTHES. 



1. Ilysanthes dubia (L.) Barnhart, Bull. T..ir. Club. 26: 376, 1899. 



Gratiola dubia L. Sp. PI. 17. 1753. 



Ilysanthes graiioloides Benth. in DC. Prod. 10: 419. 1846. 



Capraria graiioloides L. vSp. PI. ed. 2. 2: 876. 17(53. 



Type locality; Virginia. 



Range: Washington to California and Canada to Texas and Florida. 



Speclmens examined: Green Lake, Piper 2864; west Klickitat County, Sulcsdorf 2\92, 

 1473; Parkei, Dunn, Augu.st 8, 1901; Lake Chelan, Lake dt Hull, August 12, 1892, VVaits- 

 burg, Horner o9^\ Almota, Piper 2()5S; Toppenish, Grijfiths d' Cotton 797. 



Zonal distribution; Upper Sonoran and Transition. 



GRATIOLA. 



Calyx with a pair of bracts equaling the calyx lobes \. G. rirginiann. 



Calyx bract less 2. G. eliracnaia. 



1. Gratiola virginiana L. Sp. PI. 1; 17. 1753. 

 Type locality: "Habitat in Virginia. ' 

 Range; British Columbia to Canada, south to Califoinia, Texas, and Florida. 



