300 COISITRIBUTIONS FROM THE NATIONAL HERBARIUM. 



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

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

 Kr eager 73. 



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



Cheiranthus asper Nutt. Gen. 2: 69. 1818. 



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



Type locality: "On the plains of the Missouri commencing near the confluence of 

 White River." Collected by Nuttall. 



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



Specimens examined: Baldy Peak, Lamb 1307; Clallam County, Elmer 2695; Mount 

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

 1733; Wenache, ;^"/ii<e(Z 1100, 130; HitzxiWe, Samlberg S Leiherg 182; Spokane, Pz>r 2948; 

 Henderson; Soap Lake, i/f^Tai/ 8; Wawawai, Pipe/'; Lake <& Hull 474; Elmer 77; Almota, 

 Piper 1499; Spokane, Kreager 161. 



Zonal distribution: Transition and Upper Sonoran. 



The types of Cheiranthus 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 

 grajulifiorum Nutt., to which Cheiranthus capitatus has been referred as a synonym. 



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



Cheiranthus pacificus Sheldon, Bull. Torr. Club 30: 308. 1903. 



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

 Nuttall. 



Range: Washington to California. 



Specimens examined: Waitsburg, Horner 82; Cape Horn, Piper 5028. 



Zonal distribution: Humid Transition. 



4. Erysimum, 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. 



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

 Cheiranthus occidcntalis S. Wats. Proc. Am. Acad. 23: 261. 1888. 



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

 1821. 



T\'PE 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, Leckenhy, April, 1898; 

 Columbus, Sul-sdorfm 1886; Rockland, Sulsdotf'm 1886; Tampico, Flett 1126; Sunny- 

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



Zonal distribution: Upper Sonoran. 



SMELOWSKIA. 



Capsule lanceolate, attenuate at each end \. S. calycina. 



Capsule ovate, nearly subcordate at ba.se 2. S. ovalis. 



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

 Strielowskia americana Rydl)erg, Bull. Torr. Cluli 29: 239. 1902. 

 Type locality: Siberia. 

 Range: Alaska to California and Cdloradn. Silicria. 



