PIPER—FLORA OF THE STATE OF WASHINGTON. 317 
17. Saxifraga apetala Piper, Bull. Torr. Club 27: 393. 1900. 
Type Locauity: Eastern Washington. Collected by Vasey. 
Rance: Wenache Mountains. 
SPECIMENS EXAMINED: Kittitas Mountains, Whited, May 6, 1896; north branch of 
Columbia, Wilkes Expedition 1070; without locality, Vasey in 1889; Wenache Mountains, 
Cotton 1204. 
SAXIFRAGA PUNCTATA ACUTIDENTATA Engler, Verh. Zool. Bot. Ges. Vienna 19: 548. 
1869. Type locality: “South Clear Creek, Cascade Mts.’”” Collected by Lyall. Leaves 
deeply dentate, not cordate; petioles dilated above. It is quite probable that there is an 
error as to the above locality, as the Gray Herbarium specimen is labelled ‘‘ Rocky Mts., 
Lat. 49°’" The plant has not been found in the Cascade Mountains by any recent collector. 
TIARELLA. 
Leaves merely lobed.........-----.---------------- +--+ +--+ +--+ +--+ 1. T. unifoliata. 
Leaves trifoliolate. 
Leaflets coarsely dentate... ......-.-.-.-2--.-----2------------- 2. T. trifoliata. 
Leaflets deeply lobed or cleft...........------------------------- 3. T. laciniata. 
1. Tiarella unifoliata Hook. Fl. Bor. Am. 1: 238. pl. 87. 1833. 
Petalosteira unifoliata Rai. Fl. Tell. 2: 74. 1836. 
Tyre Locauity: “Height of land in the Rocky Mts. near the source of the Columbia, 
and at Portage River.”” Collected by Drummond. 
Rance: Alaska to Northern California, eastward to west. Montana. 
SPECIMENS EXAMINED: Mount Rainier, Piper 2031; along Nisqually River, Allen 188; 
Silverton, Bouck 70; Stampede Pass, Henderson, July, 1892; Yakima Pass, Watson 134; 
Mount Adams, Suksdorf 120, 121; Stevens Pass, Whited 1452; Fish Lake, Dunn, August 8, 
1900: Nason Creek, Sandberg & Leiberg 673; Horseshoe Basin, Lake & Hull 466; Elmer 724; 
Blue Mountains, Piper, July, 1896; without locality, Vasey in 1889; Mount Carlton, 
Kreager 186; Usk, Kreager 371. 
ZONAL DISTRIBUTION: Canadian. 
2. Tiarella trifoliata L. Sp. Pl. 1: 406. 1753. 
Tiarella stenopetala Presl, Rel. Haenk, 2: 55. 1835, 
Blondia trifoliata Raf. Fl. Tell. 2: 75. 1836. 
Tyre Loca.ity: ‘Habitat in Asia boreali.” 
RaNnGeE: Oregon to Alaska and northeast Asia. 
SPECIMENS EXAMINED: Clallam County, Elmer 2775; Sumas Prairie, Lyall in 1859; 
Seattle, Smith 86; Snoqualmie, Parker, August, 1892; Steilacoom, Cooper in 1854; Skoko- 
mish Valley, Kincaid, June, 1892; upper Nisqually Valley, Allen 8; Roy, Allen 104; Mount 
Adams, Suksdorf 121; Cascade Mountains, Lyall in 1859; Silverton, Bouck 5a, 71; Stevens 
Pass, Sandberg & Leiberg, August, 1893. 
ZONAL DISTRIBUTION: Humid Transition. 
3. Tiarella laciniata Hook. Fl. Bor. Am. 1: 239. pl. 77. 1833. 
Petalosteira laciniata Raf. F]. Tell. 2: 74. 1836. 
Tiarella trifoliata laciniata Wheelock, Bull. Torr. Club 28: 72. 1896. 
Type Locauity: ‘North-West coast of America.”’ Collected by Menzies. 
RanGe: British Columbia and Washington. 
SPECIMENS EXAMINED: Lower Cascades, Skamania County, Suksdorf 856 in part; Mount 
Constitution, Flett 2735. 
TELLIMA. 
Petals sessile, pinnately parted ...............--------------------- 1. T. grandiflora 
Petals clawed, palmately cleft. 
Calyx obconic; petals 3-cleft.............--------------------- 2. T. parviflora. 
Calyx campanulate; petals 3 to 7-cleft.............------------- 3. T. tenella. 
