322 CONTRIBUTIONS FROM THE NATIONAL PIEEBARIUM. 



5. Heuchera cylindrica Dougl.; Hook. Fl. Bor. Am. 1: 236. 1833. 



Type locality : "On the declivities of low hills, and on the steep banks of streams on the 

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



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



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

 Point, Piper, July, 1895; Tacoma, Flett 123; Falcon Valley, Suksdoif 1739; Vancouver, 

 Piper 4944. 



Zonal distribution: Humid Transition. 



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



Type locality: "Blue Mountains, Oregon, on rocks." Collected by Nuttall. 



Range: British Columbia to Wyoming and Oregon. 



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

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

 between Coulee City and Waten^ille, Spillman, May 27, 1896, north fork of Columbia 

 River, WilTces Expedition. 



6a, Heuchera ovalifoUa alpina (S. Wats.) 



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



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



Range: British Columbia to Nevada. 



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

 tains, Elmer, Juh', 1897. 



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



Zonal distribution: Arctic. 



7. Heuchera tenuifoha (Wheelock) Rydberg, N. Am. Fl. 22-: 116. 1905. 

 Heuchera cylindrica tenuifolia Wheelock, Bull. Torr. Club 17: 204. 18S0. 

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

 Range: Oregon and Washington. 



Specimens examined: Simcoe Mountains, J. i/oM-eZZ, June, 1879; Major Creek, Klickitat 

 County, Suksdorf 857 . 



Heuchera suksdorfii Rydberg, N. Am. Fl. 22-': 116. 1906. Type locality: Falcon 

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

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



LEPTAXIS. 



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



Tiarella menziesii Pur.sh, Fl. 1 : 313. 1814. 



Heuchera menziesii Hook. Fl. Bor. Am. 1: 237. pi. SO. 1833. 



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



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



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



Specimens examined: Montesano, i/f/Zer 3851 ; Clallam County, fZ/zver 2776; Hoquiam, 

 Lamb 1054; Seattle, Piper 92; Skokomish Valley, Kincaid, May, 1892; upper Nisqually 

 Valley, Allen 6, Silverton, 5o7/r^ 74; Cascade ]\Iountains, latitude 49°, Lyall in 1859; Port 

 Ludlow, Binns; Roy, Allen 78. 



Zonal distribution: Humid Tiansition and Canadian. 



PARNASSIA. 



1. Pamassia fimbriata Konig, Ann. Bot. 1: 391. 1805. 

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

 Range : Alaska to Oregon and Colorado. 



