300 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Rance: Alaska to Newfoundland, south to Oregon and North Carolina. 
SPECIMENS EXAMINED: Wilbur, Henderson 2380; Pullman, Piper 2820; Clarks Springs, 
Kreager 73. 
2. Erysimum asperum (Nutt.) DC. Syst. 2: 505. 1821. 
Cheiranthus asper Nutt. Gen. 2: 69. 1818. 
Cheiranthus capitatus Hook. FI). Bor. Am. 1: 38. 1829. 
Type Locauity: ‘On the plains of the Missouri commencing near the confluence of 
White River.” Collected by Nuttall. 
Rance: 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, F'lett 
1733; Wenache, Whited 1100, 130; Ritzville, Sandberg & Leiberg 182; Spokane, Piper 2948; 
Henderson; Soap Lake, McKay 8; Wawawai, Piper; 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 
grandiflorum 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 Locaity: “Grassy situations by the banks of the Wahlamet.” Collected by 
Nuttall. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Waitsburg, Horner 82; Cape Horn, Piper 5028. 
ZONAL DISTRIBUTION: Humid Transition. 
4. Erysimum arenicola 8. Wats. Proc. Am. Acad. 26: 124. 1891. 
Type LocaLiry: Mount Steele, Olympic Mountains, Washington, near the summit. Col- 
lected by Piper. 
RanaE: 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. 11: 144. 1895. 
Cheiranthus occidentalis 8. Wats. Proc. Am. Acad. 28: 261. 1888. 
Erysimum asperum pumilum 8. Wats. Bot. King Explor. 24. 1871, not EF. pumilum DC. 
1821. 
Type Locauity: In Washington Territory (Walla Walla, Lyall; Klickitat County, Suks- 
dorf). 
RanGeE: 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. calycina. 
Capsule ovate, nearly subcordate at base.....-.....-...-.-.-.-2------- 2. S. ovalis. 
1. Smelowskia calycina C. A. Meyer in Ledeb. Fl. Alt. 3: 170. 1831. 
Smelowskia americana Rydberg, Bull. Torr. Club 29: 239. 1902. 
TYPE LOCALITY: Siberia. 
Rance: Alaska to California and Colorado. Siberia. 
