PIPER—FLORA OF THE STATE OF WASHINGTON, 499 
736; Baldy Peak, Lamb 1320; Silverton, Bouck, July, 1895 and 126; Yakima Pass, Wat- 
son, November 20, 1880; Clallam County, Elmer 2578. 
ZONAL DISTRIBUTION: Arctic, 
3a. Pentstemon menziesii davidsonii (Greene). 
Pentstemon davidsonii Greene, Pittonia 2: 241. 1892. 
Type Locauiry: “On Mt. Conness [( ‘alifornia], at an altitude of 12,300 feet.” 
Rance: Washington to California. 
SPECIMENS EXAMINED: Olympic Mountains, J. M.Grant; Mount Rainier, Allen 279, 2087 ; 
Mount Adams, Suksdorf ; Henderson; Flett 1166: 1 oomis, Elmer 584. 
ZONAL DISTRIBUTION: Arctic. 
4. Pentstemon lyallii A. Gray, Syn. Fl. 2': 440. 1878. 
Pentstemon menziesii lyallii, A. Gray, Proc. Am. Acad. 6:76. 1865. 
Type Locatity: “Between Fort Colville and the Rocky Mountains.”’ Collected by Lyall. 
Rance: Washington, Idaho, and British Columbia, 
SPECIMENS EXAMINED: Stevens Pass, Sandberg & 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. Pentstemon fruticosus (Pursh) Greene, Pittonia 2: 239. 1892. 
Gerardia fruticosa Pursh, Fl. 2: 423. pl. 18. 1814. 
Pentstemon crassifolius Lindl. Bot. Reg. 24 : pl. 16. 1838. 
Pentstemon douglasii Hook. F1. 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 the pine forests of the Rocky Mountains.” 
Collected by Lewis, probably in Idaho. 
Rance: Cascade Mountains of British Columbia to Oregon, and eastward to west 
Montana. 
SPECIMENS EXAMINED: Mountains north of Ellensburg, Whited 715, 1161; Mount Stuart, 
Elmer 1204; Sandberg & Levberg 550; Whited 795: Mount Adams, Suksdorf 459 and July 12, 
1886; Klickitat River, Flett 1152; Rock Island, Sandberg & Leiberg 459; Twisp River, W hited: 
Peshastin, Sandberg & Leiberg, July, 1893; Kittitas, Lyall in 1860; Naches Pass, Watson, 
November 25, 1880; Cascade Mountains to Fort Colville, Lyall in 1860; Clealum, Henderson 
in 1892; Nason City, Sandberg & Leiberg; Blue Mountains, Lake & Hull 686; Piper 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 may be found on the same plant and inter- 
grades are very numerous; P. douglasi: Hook. is a high altitude form with shorter and 
broader toothed leaves; P adamsianus Howell from Mount Adams and Mount St. Helens 
is a form with rather large, thinner leaves, 
5a. Pentstemon fruticosus cardwellii (Howell). 
Pentstemon cardwelli Howell, Fl. N. W. Am. 510. 1901. 
Tyre Locatity ; 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. 
Tyre Locauity. “ Kettle Falls of the Columbia.” Collected by Douglas. 
Rance: Apparently local in northeastern Washington 
SPECIMENS EXAMINED: Near Spokane, Miss Kale B. Reed; Mount Carlton, Kreager 274. 
