288 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Range: Athabasca to Colorado and California. SilKM-ia. 



Specimens examined: Olympic Mountains, F/f« 844; Cascade Mountains, latitude 49®, 

 LycM in 1860; Mount Adains, Flett 1131; Chiquash Mountains, Suksdorf 2426; Blue 

 Mountains, Piper 2404. 



Zonal distribution: Arctic. 



6. Draba douglasii A. Gray, Proc. Am. Acad. 7: 328. 1868. 

 Braya oregonensis A. Gray, Proc. Am. Acad. 17: 199. 1882. 



TiPE ixk'ALItt: "High Sierra Nevada; on the gravelly 'divide' between East Carson 

 and West Walker Rivers." Collected by Anderson. Also from "the interior of Oregon 

 or California." Collected by Douglas. 



Specimens examined: Klickitat Hills, HoxveU 50, 386. 



7. Draba lonchocarpa Rydberg, Mem. N. Y. Bot. Gard. 1: 181. 19(X). 



Draba nivalis elongata S.Wats. Proc. Am. Acad. 23:258. 1888, not D.elongata Host. 

 1827. 



Type locality: "Rocky Mountains, from British America to Wyoming and the Uintas; 

 Mt. Adams." 



Range: British Columbia and All)erta to Utah. 



Specimens examined: Mount Rainier, Pijwr 2060; Mount Baker, Flett 856; Mount 

 Adams, Snksdorf239; Chiqua.sh Mountains, Suksdorf 2541 . 



Zonal distribution: Arctic. 



8. Draba aureola S. Wats. Bot. Cal. 2: 430. 1880. 



TvPE locauty: "Sierra Nevada, in Sierra County," California. 



Range: Washington to California. 



Specimens examined: Mount Ruijiier, Flett 286; Piper 2061; Smith tfe Piper 699. 



Zonal distribution: Arctic. 



Draba lemmoni S. Wats. This species is accredited to Washington on a specimen col- 

 lected by Flett in the Olympic Mountains and thus determined by Wicgand.o This speci- 

 men certainly is not D. lemmoni, but is pro})ably an undescrilwd species. The material is 

 too young, however, for satisfactory description. 



DENTARIA. 



Ba.sal leaves cx)rdate-orbicular, crenate or sinuate 1. D. tenella. 



Basal leaves parted or divided into 3 or 5 segments. 



Petals 10 to 12 mm. long 2. D. maaocarpa. 



Petals 12 to 16 mm. long 3. D. macrocarpa pulcherrima. 



1. Dentaria tenella Pursh, Fl. 2: 439. 1814. 



Type locality: "On the banks of the Columbia." Collected by Lewis, the exact place 

 near the mouth of Sandy River, Oregon. 



Range: Washington and Oregon. 



Specimens examined: Whidby Island, Gardner 14; Silverton, Bouck 21; Tacoma, 

 Flett 70; Snoqualmie, Hindshaw; upper Nisqually Valley, Allen 51; Nisqually tide flats, 

 Flett 95; west Klickitat County, Suksdorf 4, 235; Seattle, Piper in 1888. 



Zonal distribution: Humid Transition. 



2. Dentaria macrocarpa Nutt.; Torr. & Gr. Fl. 1: 88. 1838. 

 Cardamine querceiorum Howell, Erythea 3 : 33. 1895. 



Cardamine tenella coviUeana Schulz; Engler's Bot. Jahrb. 32: 391. 1903. 



Cardamine teneUa dissecta Schulz, op. cit. 



Cardamine tenella querceiorum Schulz, op. cit. 390. 



Type locality: "Woods of the Oregon." Collected by Nuttall. 



"BuU. Torr. Club 6: 209. 1874. 



