148 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Range: Alaska to Greenland, south to Washington and Colorado. 

 Specimens examined: Bridge Creek, Elmer 67(). 

 Zonal distribution: Arctic and Iludsonian. 



5. Agropyron gmelini (Griseb.) Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. Bull. 



4: 30. 1897. 



Triticum canlnum gmelini Griseb. in Ledeb. Fl. Ross. 3: 16. pi. 2Jf8. 1831. 



Type locality: "Ilab in rupestribus ad fl. Tscharysch, Buchtornia, Katunja." 



Range: Washington to Montana and Nebraska. Siberia. 



Specimens examined: Rock Creek, Suksdorf llQl . 



This specimen is probably a mere form of A. spicatum with short basal lea\es and short- 

 awned empty glumes. It has much less scabrous lemmas than A. gmelini of Siberia, which 

 plant, in typical form at least, does not seem to occur in America. 



6. Agropyron saxicola (Scribn. & Smith). 



Elymus saxicola Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. Bull. 11: .56. 189S. 

 Type locality: "Among bowlders and rocky crevices on the summit of Mount Chapaca, 

 altitude 1,900 meters," Okanogan County, Washington. Collected by Elmer. 

 Range: Known only from the type locality. 



7. Agropyron flexuosuni Piper, Proc. Biol. Soc. Wash. 18: 149. 1905. 

 Sitanion jlexuosum Piper, Erythea 7: 99. 1899. 



Type locality: Wawawai, Washington. 

 Range: Eastern Wasliington. 



Specimens examined: Wawawai, Leckenby 88; Piper 3004, 396.5, 3967; Wenache Moun- 

 tains, Cotton 1671, 1758. 



8. Agropyron subvillosum (Hook). 



Triticum repens subvillosum Hook. Fl. Bor. Am. 2: 2.54. 1840. 



Agropyron dasystachyum submUosum Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. 

 Bull. 4: 33. 1897. 



Type locality: "Fort Norman on the Mackenzie River." 



Range: Saskatchewan to Washington, Nevada, and Colorado. 



Specimens examined: Ellensburg, Piper 2.585; Whited 680; Klickitat County, Leckenby, 

 May, 1898; Connell, Leckenby 2622; Toppenish, Henderson 2137; Pasco, Henderson 2171; 

 Parker, A. D. Dunn, August 8, 1901; Rock Island, Sandberg cfc Leiberg, July, 1893; Lake 

 Chelan, Vasey 530; Walla Walla, Wilkes Expedition 1035; Prosser, Cotton 634; Kiona, 

 Cotton 719; North Yakima, Watt 2271. 



Zonal distridution: Upper Sonoran. 



9. Agropyron lanceolatum Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. Bull. 4: 34. 



1897. 



Agropyron elmeri Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 11: 54. 1898. 



Type locality: Blackfoot, Idaho. Collected by Palmer. 



Range: Washington, Idaho, Oregon. 



Specimens examined: Wenache, Whited in 1895; Lake Ciielan, Vasey 81; Chelan, Vasey 

 287; below Chelan, Grijfiths cfc Cotton 1.54; Ophir, Elmer ,523; Palouse, Cloud, June 22, 1895; 

 Wawawai, Brodie 894; Piper 3006, 3069, 3964; Elmer 759. 



Zonal distribution: Upper Sonoran. 



10. Agropyron occidentale Scribn. U. S. Dept. Agr. Div. Agrost. Circ. 27: 9. 1900. 



Bluestem. 

 Agropyron glaucum occidentale Scribn. Trans. Kans. Acad. Sci. 9: 119. 1885. 

 Agropyron spicatum Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. Bull. 4:33. 1897, 



not Festuca spicata Pursh. 1814. 

 Type locality: Kansas. 

 Range: Washington to Wisconsin, Texas, and Arizona. 



