322 CONTRIBUTIONS FROM THE NATIONAL, HERBARIUM. 



6. Heuchera cylindrica Dougl.; Hook. FI. Bor. Am. 1: 236. 1833. 



Type ux;ality : " On the declivities of low hills, and on the steep banks of streams on the 

 west side of the Rooky Mountains." Collected by Douglas. 



Range: British Columbia to southern Oregon and east to north Idaho. 



Specimens examined: Montesano, Heller 4067; Sumas Prairie, Lyall in 1858; Orchard 

 Point, Pt>r, July, 1895; Tacoma, Flett 123; Falcon Valley, Suksdorf 1739; Vancouver, 

 Piper 4944. 



Zonal distribution : Humid Transition. 



6. Heuchera ovalifolia Nutt.; Torr. & Gr. Fl. 1 : 581. 1840. 



Type locaut^': "Blue Mountains, Oregon, on rocks." Collected by Nuttall. 



Range: British Columbia to Wyoming and Oregon. 



Specimens examined: Mount Stuart, Elmer, August, 1898?; Wenache Mountains, 

 Whited 3; Leavenworth, Savage 26; Cascade Mountains, Yakima County, Henderson 2492; 

 between Coulee City and Waterville, SpiUman, May 27, 1896, north fork of Columbia 

 River, Wilkes Expedition. 



6a. Heuchera ovalifolia alpina (S. Wats.) 



Heuchera cylindrica alpina S. Wats. Bot. King Explor. 96. 1871. 



Type locauty: "Clover Mountains, Nevada; 11000 feet altitude." 



Range: British Columbia to Nevada. 



Specimens examined: Mount Adams, Henderson 2491; Suksdorf 14; Wenache Moun- 

 tains, Elmer, July, 1897. 



This seems to be merely a reduced alpine state of H. ovalifolia Nutt. 



Zonal distribution: Arctic. 



7. Heuchera tenuifolia (Wheelock) Rydberg, N. Am. Fl. 22^:116. 1905. 

 Heuchera cylindrica tenuifolia Wheelock, Bull. Torr. Club 17: 204. 1890. 

 Type locality: Near the Dalles, Oregon. Collected by Howell. 

 Range: Oregon and Washington. 



Specimens examined: Simcoe Mountains, J. //oweZ/, June, 1879; Major Creek, Klickitat 

 County, Suksdorf 857. 



Heuchera 8UK8DORFII Rydberg, N. Am. Fl. 22^: 116. 1906. Type locality: Falcon 

 Valley. Collected by Suksdorf. This is closely related to //. ovalifolia Nutt., but is said 

 to differ in having the leaves deeply lobed and the teeth broadly ovate. 



LEPTAXIS. 



1. Leptaxis meiizdesii (Pursh) Raf. Fl. Tell. 2: 75. 1836. 



Tiarella menziesii Pursh, Fl. 1 : 313. 1814. 



Heuchera memiesii Hook. Fl. Bor. Am. 1 : 237. pi. 80. 1833. 



Tolmiea memiesii Torr. & Gr. Fl. 1: 582. 1840. 



Type locality: "On the northwest coast." Collected by Menzies. 



Range: Alaska to Mendocino County, California, west of the Cascade Mountains. 



Specimens examined: Montesano, Z/eHer 3851 ; ClallamCounty, E^Zmer 2776; Hoquiam, 

 Lamh 1054; Seattle, Piper 92; Skokomish Valley, Kincaid, '^i&y, 1892; upper Nisqually 

 Valley, Allen 6, Silverton, 5owri 74; Cascade Mountains, latitude 49°, Lyall in 1859; Port 

 Ludlow, Binns; Roy, Allen 78. 



Zonal distribution: Humid Transition and Canadian. 



PABNASSIA. 



1. Pamassia fimbria ta Konig, Ann. Bot. 1:391. 1805. 

 Type locality: "On the coast of northwest America." Collected by Menzies. 

 Range : Alaska to Oregon and Colorado. 



