148 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



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

 Specimens examined: Bridge Crock, Elmer 676. 

 Zonal distribution: Arctic and Hudsonian. 



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



4: 30. 1897. 



Triticum caninum. gmelini Griseb. in Ledeb. Fl. Ross. 3: 16. fl. 2J^. 1831. 



Type locality: "Hab in rupcstribus ad fl. Tscharysch, Buchtonna, Katunja." 



Range: Washington to Montana and Nebraska. Siberia. 



Specimens examined: Rock Creek, Suksdorf \\&7 . 



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

 awned emptv 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. 1898. 

 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. Agropjrron flexuosum Piper, Proc. Biol. Soc. Wash. 18: 149. 1905. 

 Sitanion jlexuosum Piper, Erythea 7: 99. 1899. 



Type ixkjality: Wawawai, Washington. 

 Range: Eastern Washington. 



Specimens examined: Wawawai, Leckenby 88; Piper 3004, 3965, 3967; Wenache Moun- 

 tains, Cotton 1671, 1758. 



8. Agropyron subvillosuna (Hook). 



Triticum repens suhviUosum Hook. Fl. Bor. Am. 2: 254. 1840. 



Agroprjron dasystachyum suhviUosum 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 2585; 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 distrieution : Upper Sonoran. 



9. Agropyron lanceolatum Scribn. & Smith, U. S. Dept. Agr. Div. Agro.st.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 Chelan, Vasey 81; Chelan, Vasey 

 287; below Chelan, Griffiths cfc Cotton 154; Ophir, Elmer 523; Palouse, Cloud, June 22, 1895; 

 Wawawai, Brodie 894; Piper 3008, 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. 



