PIPER FLORA OF THE STATE OF WASHINGTON. 499 



73G; Baldy Peak, Lamb 1320; Silverton, Bouck, July, IS95 and I2(j; Yakima Pass, Wat- 

 son, November 20, 1880; Clallam County, Elmer 2578. 

 ZoivAL distribution: Arctic. 



3a. Pentstemon nienziesii davidsonii (Cireene). 



Pentstcmon davidsonu Greene, Pittonia 2: 241. 1892. 



Tyi'E locality: "On Mt. Conness [California], at an altitude of 12,.300 feet." 



Range: Washington to California. 



Specimens examined: Olympic Mountains, ,/. M.dnint: Mount Rainier, J/Zt/i 279,2087; 

 Mount Adams, Suksdorf; Henderson; Flett 1166; Loomis, Elmer 584. 



Zonal distribution: Arctic. 



4. Pentstemon lyallii A. Gray, Syn. Fi. 2': 440. 1878. 

 Pentstemon menziesH lyallii, A. Gray, Proc. Am. Acad. 6: 76. 1865. 



Type locality: "Between Fort Colville and the Rocky Mountains." Collected bv Lyall. 



Range: Washington, Idaho, and British Columbia. 



Specimens examined: Stevens Pass, Sandhenj d' Leiberg 759, according to the label, 

 but the specimen is almost certainly from Pend Oreille Lake, Idaho. The species will 

 probably be found in Stevens county. 



5. Pentstemoii fruticosus (Pursh) Greene, Pittonia 2: 239. 1892. 

 Geiardlajruticosa Pursh, Fl. 2: 423. pi. 18. 1814. 



Pentstemon crassifolius Lindl. Bot. Reg. 34 : /)/. 16. 1838. 



Pentstemon douglasii Flook. Fl. Bor. Am. 2: 98. 1838. 



Pentstemon lewisii Benth.; DC. Prod. 10: 321. 1846. 



Pentstemon adamsianus Howell, Fl. N. W. Am. 511. 1901. 



Type locality: "In great abundance in tlie pine forests of the Rocky Mountains." 

 Collected by Lewis, probably in Idaho. 



Range: Cascade Mountains of British Columbia to Oregon, and eastward to west 

 Montana. 



Speci.mens exaaiined: Mountains north of Ellcnsburg, Wbiled 715, 1161; Mount Stuart, 

 Ehner 120-i; Sandberg dc Leilnrg 550; W kited 795; Mount Adams, SwA-.v^/o/y 459 and July 12, 

 1886; Klickitat River, /'7e« 1152; Rock M&nd, Sandberg d Leiberg 459; Twisp River, Whited, 

 Peshastin, Sandberg & Leiberg, July, 1893; Kittitas, Lyall in 1860; Naches Pass, Walson, 

 November 25, 1880; Cascade Mountains to Fort Colville, Lyall in 1860, Clealum, Henderson 

 in 1892; Nason City, Sandberg & Leiberg; Blue Mountains, Lake & Hull 686, Pi-per 2422, 

 2327. 



Zonal distribution: Canadian and Hudsonian. 



Pentstemon crassifolius Lindl. is founded on a specimen with entire leaves, a valueless 

 character, as both entire and serrate leaves ma}' be found on the same plant and inter- 

 grades are very numerous; P. douglasii Hook, is a high altitude lorin with shorter uiid 

 broader toothed leaves; P adamsianus Howell from Mount Adams and Mount St. Helens 

 is a foim with rather large, thinner leaves. 



5a. Pentstemon fruticosus cardwellii (Howell). 

 Pentstemon cardweUii Howell, Fl. N. \V. Am. 510. 1901. 

 Type locality ; Base of Mount Hood, Oregon. 

 Range . Cascade mountains of Washington and Oregon. 

 Specimens examined: Mount St. Helens, Goodwin, July 13, 1903. 

 This subspecies may be distinguished by its thickish serrulate mostly obtuse leaves. 



6. Pentstemon scouleri Lindl. Bot. Reg. 15: pi. 1277. 1829. 



Type locality " Kettle Falls of the Columbia." Collected by Douglas. 



Range: Apparently local in northeastern Washington 



Speclmens examined. Near Spokane, Miss Kate B Reed, Mount Carlton, Kreager 274. 



