MANUAL OF THE GRASSES OF THE UNITED STATES 773 



(20) Agropyron arizonicum Scribn. and Smith, U.S.Dept.Agr., Div. Agrost. 

 Bull. 4: 27. 1897. New Mexico, Arizona [type, Rincon Mountains, Nealley 

 67], and Chihuahua, Mexico. 

 Agropyron caninum var. majus Scribn., Bull. Torrey Bot. Club 10: 32. 1883. 



Santa Rita Mountains, Ariz., Pringle. 

 Agropyron spicatum var. arizonicum Jones, Contrib. West. Bot. 14: 19. 1912. 

 Based on A. arizonicum Scribn. and Smith. 

 (15) Agropyron bakeri E. Nels., Bot. Gaz. 38: 378. 1904. Pagosa Peak, 



Colo., Baker 139. n _ . 



Agropyron caninum (L.) Beauv., Ess. Agrost. 102, 146. 1812. Based on 

 Triticum caninum L. 

 Triticum caninum L., Sp. PL 86. 1753. Europe. _ _ 



Zeia canina Lunell, Amer. Midi. Nat. 4: 226. 1915. Based on Triticum 



CQ,TlZ7lll17l L. 



(1) Agropyron cristatum (L.) Gaertn., Nov. Comm. Petrop. 14: 540. 1770. 



Based on Bromus cristatus L. 

 Bromus cristatus L., Sp. PL 78. 1753. Northern Asia. 

 Triticum cristatum Schreb., Beschr. Gras. 2: 12. pi. 23. f. 2. 1769. Based 



on Bromus cristatus L. 

 Avena cristata Roem. and Schult., Syst. Veg. 2: 758. 1817, as synonym of 



Agropyron cristatum Gaertn. 

 Costia cristata Willk., Bot. Ztg. 16: 377. 1858. Based on Bromus cristatus L. 

 Zeia cristata Lunell, Amer. Midi. Nat. 4: 226. 1915. Based on Agropyron 



(6) Agropyron dasystachyum (Hook.) Scribn., Bull. Torrey Bot. Club 10: 78. 



1883. Based on Triticum repens var. dasystachyum Hook. 

 Triticum repens var. dasystachyum Hook., Fl. Bor. Amer. 2: 254. 1840. 



Saskatchewan, Richardson. The type has villous lemmas. 

 Triticum repens var. subvillosum Hook., Fl. Bor. Amer. 2: 254. 1840. 



Mackenzie River, Canada, Richardson. The type has scabrous-pubescent 



lemmas. _ , _ 



Triticum dasystachyum A. Gray, Man. 602. 1848. Based on T. repens var. 



dasystachyum Hook. , 



Agropyron dasystachyum subvillosum Scribn. and Smith, U.S.Dept.Agr., Div. 



Agrost, Bull. 4: 33. 1897. Based on Triticum repens var. subvillosum 

 - Hook. 

 Agropyron lanceolatum Scribn. and Smith, U.S.Dept.Agr., Div. Agrost. Bull. 4: 



34. 1897. Idaho [tvpe, Blackfoot, Palmer 266], Washington and Oregon. 

 Triticum repens acuturnVasey; Scribn. and Smith, U.S.Dept.Agr., Div. Agrost. 



Bull 4- 34. 1897, as synonym of A. lanceolatum Scribn. and Smith. 

 Agropyron subvillosum E. Nels., Bot. Gaz. 38: 378. 1904. Based on Triticum 



repens var. subvillosum Hook. . . 



Zeia dasystachya Lunell, Amer. Midi. Nat. 4: 226. 1915. Based on Triticum 



repens var. dasystachyum Hook. 



(7) Agropyron elmeri Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 11: 54. pi. 12. 



1898. Snake River, Wash., Elmer 759. 

 (10) Agropyron griffithsi Scribn. and Smith; Piper, Biol. Soc. Wash. Proc. 18: 148. 



1905. North Fork Clear River, Wyo., Williams and Griffiths 140. 

 (19) Agropyron inerme (Scribn. and Smith) Rydb., Bull. Torrey Bot. Club 36: 



539. 1909. Based on A. diver gens inerme Scribn. and Smith. 

 Agropyron divergens inerme Scribn. and Smith, U.S.Dept.Agr., Div. Agrost. 



Bull. 4: 27. 1897. British Columbia to Utah and Idaho [type Henderson 



30581 

 Agropyron spicatum inerme Heller, Cat. N.Amer. _ PL ed. 2. 3. 1900. 



Based on Agropyron divergens inerme Scribn. and Smith. 

 Agropyron intermedium (Host) Beauv., Ess. Agrost. 102, 146. 1812. Based 



on Triticum intermedium Host. 

 Triticum intermedium Host, Gram. Austr. 3: 23. 1805. Austria. 

 Triticum glaucum Desf.; DC, Fl. Franc. 5: 281. 1815. Not T. glaucum 



Moench, 1794. France. 

 Agropyron glaucum Roem. and Schult., Syst. Veg. 2: 752. 1817. Based on 



Triticum glaucum Desf. . . 



Braconotia glauca Godr., Fl. Lorr. 3: 192. 1844. Based on Triticum glaucum 



Desf. 

 Agropyron repens glaucum Scribn., Mem. Torrey Bot. Club 5: 57. 1894. 



Based on Triticum glaucum Desf., but misapplied to A. smithn Rydb. 

 Zeia glauca Lunell, Amer. Midi. Nat. 4: 226. 1915. Based on Triticum 



glaucum Desf., but misapplied to A. smithii Rydb. 



