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 Columbia River." Collected 

 by Douglas. 



Range: 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, 

 Sulcsdorf 48; Cascade Mountains, latitude 49°, Lyall; Goose Lake, Flett 1157; Baldy Peak, 

 Lamb 1369; Silverton, 5ouct 143; Skokomish ^\\eY,Kincaid, June 17, 1892; Skagit Pass, 

 Lake <& Hull, August, 1892; Stevens Pass, Sandberg cfc 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: pi 124J). 1829. 



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

 North-west America." 



Range: British Columbia to Oregon and Idaho. 



Specimens examined: "Boundary N. W. Coast," Cooper; Columbia Valley, Lyall in 

 1860; Rock]a,nd, Sulcsdorf 998; Palouse River, Lyall, Ju\y, 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: pi. 1211. 1829. Turtlehead. 



Chelone ramosa Dougl.; Hook. Fl. 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, Flett 1153; 

 Green River Hot Springs, Piper in 1887; without locality, Vasey in 1889; Clallam County, 

 Elmer2575; SkokomishRiver, Zincaid, June, 1892; StampedeTunnel, Henderson, July, 1892. 



Zonal distribution: Canadian and Iludsonian. 



ILYSANTHES. 



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



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



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



Capraria gratioloides L. Sp. PI. ed. 2. 2: 876. 1763. 



Type locality: Virginia. 



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



Specimens examined: Green Lake, Piper 2864; west Klickitat County, Suksdorf 2\^, 

 1473; Parker, Dunn, August 8, 1901; Lake Chelan, Lake cfc Hull, August 12, 1892, Waits- 

 burg, Horner 593; Almota, Piper 26.58; Toppenish, Griffiths <& Cotton 797. 



Zonal distribution: Upper Sonoran and Transition. 



GRATIOLA. 



Calyx with a pair of bracts equaling the calyx lobes ]. G. viiginiana. 



Calyx bractless 2. G. ebracieaia. 



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

 Type locality: "Habitat in Virginia." 

 Range: British Columbia to Canada, south to California, Texas, and Florida. 



