300 CONTRIBUTIONS FKOM THE NATIONAL HERBARIUM. 



Range: Alaska to Newfoundland, south to Oregon and North Carolina. • 

 Specimens examined: Wilbur, Henderson 2380; Pullman, Piper 2820; Clarks Springs, 

 Ereager 73. 



2. Erysimum asperum (Nutt.) DC. Syst. 2: 505. 1821. 

 Cheiranihus (u<>}}er Nutt. Gen. 2: 69. 1818. 

 Cheiranthns capitatus Hook. Fl. Bor. Am. 1: 38. 1829. 



Type i/h-ality: "On the plains of the Missouri commencing near the confluence of 

 White River." Collect<>d In- Nuttall. 



Range: British Columbia and Saskatchewan, south to California and Texas. 



Specimens examined: Baldy Peak, Lamb i;W7: Clallam County, Elmer 2695; Mount 

 Rainier, Piper 2062; Mount Stuart, Elmer 1198: 30 miles south of Mount Adams, Flett 

 1733; Wenache,H'Ai/e<Z 1100, 130; Y{\{/.\\\\o , Sarulberg d- Leiherg \W,; Spokane, Pt/)er 2948; 

 Henderson; Soap Lake, McKay 8; Wawawai, Piper; Lake tfe HuU 474; Elmer77; Almota, 

 Piper 1499; Spokane, Kreager 161. 



Zonal distribution: Transition and Upper Sonoran. 



The types of Cheiranihus capitatus were collected "on rocky places of the Columbia, 

 near the sea, and at Puget Sound." They can therefore scarcely be the same as Erysimum 

 grandijlorum Nutt., to which Cheiranihus capitatus has been referred as a synonym. 



3. Erysimum elatum Nutt.; Torr. & Gray Fl. 1 : 95. 1838. 

 Cheiranihus pacifcus Sheldon, Bull. Torr. Club 30: 308. 1903. 



Type IjOCAUTy: "Grassy situations by the banks of the Wahlamet." Collected by 

 Nuttall. 



Range: Washington to California. 



Specimens examined: Wait,sburg, Homer 82; Cape Horn, Piper 5028. 



Zonal di.stribi'Tion: Humid Transition. 



4. Erysim.um arenicola S. Wats. Proc. Am. Acad. 26: 124. 1891. 



Type locality: Mount Steele, Olympic Mountains, Washington, near the summit. Col- 

 lected by Piper. 



Range: Known only from the type locality. 



Specimens examined: Olympic Mountains, Piper 2179, 916. 



Zonal distribution: Arctic. 



6. Erysimum occidentale (S. Wats.) Robinson in Gray, Syn. Fl. 1': 144. 1895. 



Cheiranthuji occidentalis S. Wats. Proc. Am. Acad. 23: 261. 1888. 



Erysimum asperum pumUum S. Wats. Bot. King Explor. 24. 1871, not E. pumilum DC. 

 1821. 



Type locality: In Washington Territory (Walla Walla, Lyall; Klickitat County, Suks- 

 dorf). 



Range: Washington, Oregon, and Nevada. 



Specimens examined: Ellensburg, Piper 2686; North Yakima, Henderson, May, 1892; 

 Mrs. Steinweg in 1894; Watt, August, 1895; Flett 1128; Yakima, Leckenby, April, 1898; 

 Columbus, Suksdorf in 1886; Rockland, Suksdorf in 1886; Tampico, Flett 1126; Sunny- 

 side, Cotton 310; Walla Walla, Lyall in 1860; Hunts Junction, Leckenby, April, 1898. 



Zonal distribution: Upper Sonoran. 



SMELOWSKIA. 



Capsule lanceolate, attenuate at each end 1 . S. calydna. 



Capsule ovate, nearly subcordate at base 2. S. ovalis. 



1. Smelowskia calycina C. A. Meyer in Ledeb. Fl. Alt. 3: 170. 1831. 

 Smelowskia americana Rydbcrg, Bull. Torr. Club 29: 239. 1902. 

 Type locality: SiVieria. 

 Range: Alaska to California and Colorado. Si!)oria. 



