PIPER FLORA OF THE STATE OF WASHINGTON. 317 



17. Saxifraga apetala Piper, Bull. Toir. Cluh 27: :Ui. I'JUI). 



Type locality: Eastern Washington. Collected l)v Vasey. 



Range: Wenache Mountains. 



Speclmens examined: Kittitas Mountains. Whili'il, May (i, 1896; north branch of 

 Columbia, Wilkes Expedition 1070; without locality, Vascij in 1889; Wenache Mountains, 

 Cotfon 1204. 



Saxifraga punctata acutidentata Engler, Verb. Zool. Bot. fu's. Vienna 19: .i48. 

 1869. Type locality: "South Clear Creek, Cascacl(^ 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. unifoliafa. 



Leaves trifoliolate. 



Leaflets coarsely dentate 2. T. frifoliata. 



Leaflets deeply lobed or cleft 3. T. laciniata. 



1. TiareUa unifoliata Hook. Fl. Bor. Am. 1: 238. pi SI. 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, Alien 188; 

 Silverton, So?/cZ: 70; Stampede Pass, /7e?w7e/'.w/i, July, 1892; Yakima Pass, Watson 134; 

 Mount Adams, SuJcsdoif 120, 121; Stevens Pa.ss, Whifed 1452; Fish Lake, Dunn, August 8, 

 1900; Xason Creek, Sandherg tfc Leiherg 673; Horseshoe Basin, Lake & Hull 466; Elmer 724; 

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

 Kreager 186; Usk, Kreager S7 1. 



Zonal distribution: Canadian. 



2. TiareUa trifoliata L. Sp. PI. 1: 406. 1753. 

 TiareUa stenopetala PresI, Rel. Ilaenk. 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 Count}', Elmer 2775; Sumas Prairie, Lyall in 1859; 

 Seattle, Smii^ 86; Snoqualmie, Pa/te/', August, 1892; Steilacoom, Coo/Je/- in 1854; Skoko- 

 mish Valley, Kincaid, June, 1892; upper Nisqually Valley, Allen 8; Roy, Allen 104; Mount 

 Adams, Sulcsdorf 121; Cascade Mountains, Lyall in 18.59; Silverton, Bonck 5a, 71; Stevens 

 Pass, Sandherg cfc Leiherg, August, 1893. 



Zonal distribution: Humid Transition. 



3. TiareUa laciniata Hook. Fl. Bor. Am. 1: 239. pZ. 77. 1833. 

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



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

 Type locality: "North-West coast of America."' Collected l)y Menzies. 

 . Range: British Columbia and Washington. 

 Specimens examined: Lower Cascades, Skamania County, 5«t.«/o// 856 in part; Mount 

 Constitution, FleH 2735. 



TELLIMA. 



Petals sessile, pinnately parted .■ \.T . grandiflora 



Petals clawed, palmately cleft. 



Calyx obconic; petals 3-cleft - 2. 7'. parrifora. 



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



