PIPER FLORA OF THE STATE OF WASHINGTON. 317 



17. Saxifraga apetala Piper, Bull. Torr. Club 27: 393. 1900. 



Type locality: Eastern Washington. Collected by Vasey. 



Range: 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 punci'ata acutidentata Engler, Verb. 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 Graj* 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. T. trifoliata. 



Leaflets deeply lobed or cleft 3. T. laciniata. 



1. TiareUa unifoUata Hook. Fl. Bor. Am. 1: 238. pi. 81. 1833. 

 Petalosteira unifoliata Raf. Fl. Tell. 2: 74. 1836. 



Type locality: "Height of land in the Rocky Mts. near the source of the Columbia, 

 and at Portage River." Collected by Drummond. 



Range: Alaska to Northern California, eastward to west Montana. 



Specimens examined: Mount Rainier, Piper 2031; along Nisqually River, Allen 188; 

 Silverton, 5owct 70; Stampede Pass, //erwZerson, July, 1892; Yakima Pass, Watson 134; 

 Mount Adams, Suksdorf 120, 121; Stevens Pass, Whited 1452; Fish Lake, Dunn, August 8, 

 1900; Nason Creek, Sandberg cfc Leiberg 673; Horseshoe Basin, Lake cfe Hull 466; Elmer 724; 

 Blue Mountains, Piper, July, 1896; without locality, Vasey in 1889; Mount Carlton, 

 Kr eager 186; Usk, Kr eager 371. 



Zonal distribution: Canadian. 



2. Tiarella trifoUata L. Sp. PI. 1: 406. 1753. 

 Tiarella stenopetala Presl, Rel. Haenk. 2: 55. 1835. 

 Blondia trifoliata Raf. Fl. Tell. 2: 75. 1836. 

 Type locality: "Habitat in Asia boreali." 

 Range: 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, ffincat(i, June, 1892'; upper Nisqually Valley, vlZZen 8; Roy, Allen lOi; Mount 

 Ada,ms, Suksdorf 121; Cascade Mountains, Lyo/nn 1859; Silverton, 5owc^ 5a, 71 ; Stevens 

 Pass, Sandberg cfc Leiberg, August, 1893. 



Zonal distribution: Humid Transition. 



3. Tiarella laciniata Hook. Fl. Bor. Am. 1: 239. pi. 77. 1833. 

 Petalosteira laciniata Raf. Fl. Tell. 2: 74. 1836. 



Tiarella trifoliata laciniata Wheelock, Bull. Torr. Club 23: 72. 1896. 

 Type locality: "North-West coast of America." Collected by Menzies. 

 Range: British Columbia and Washington. 



Specimens examined: Lower Cascades, Skamania County, jSrtts^/or/ 856 in part; Mount 

 Constitution, Flett 2735. 



TELLIMA. 



Petals sessile, pinnately parted 1. T. grandiflora 



Petals clawed, palmately cleft. 



Calyx obconic; petals 3-cleft 2.7'. parviflora. 



Calyx campanulate; petals 3 to 7-cIeft 3. T. tenella. 



