MANUAL OF THE GRASSES OF THE UNITED STATES 845 



Elymus pringlei Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. Bull. 24: 30. 



1901. Hidalgo, Mexico, Pringle 6637. 

 Elymus diver siglumis Scribn. and Ball, U.S.Dept.Agr., Div. Agrost. Bull. 24: 



48. f. 22. 1901. Bear Lodge Mountains, Wyo., Williams 2653. 

 Terrellia diver siglumis Lunell, Amer. Midi. Nat. 4: 228. 1915. Based on 



Elymus diversiglumis Scribn. and Ball. 

 (15) Elymus macounii Vasey, Bull. Torrey Bot. Club 13: 119. 1886. Great 



Plains of British Columbia, Macoun. 

 Terrellia macounii Lunell, Amer. Midi. Nat. 4: 228. 1915. Based on Elymus 



macounii Vasey. 



(2) Elymus mollis Trin., in Spreng., Neu. Entd. 2: 72. 1821. Kamchatka and 



the Aleutian Islands. 

 Elymus dives Presl, Rel. Haenk. 1: 265. 1830. Nootka Sound, Vancouver 



Island, Haenke. 



Elymus arenarius yar. villosus E. Meyer, PL Labrad. 20. 1830. Labrador. 

 Elymus ampliculmis Provancher, Fl. Canad. 2: 706. 1862. Canada. 

 Elymus capitatus Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 11: 55. pi. 14. 



1898. Homer, Alaska, Evans 471. Abnormal form. 



Elymus mollis brevispicus Scribn. and Smith, U.S.Dept.Agr., Div. Agrost. 



Bull. 11: 56. 1898. St. Lawrence Bay, Siberia. 

 Elymus villosissimus Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 17: 326. f. 622. 



1899. St. Paul Island, Macoun 16226. 



Elymus arenarius forma compositus Abromeit, Bibl. Bot. 8: heft 42: 96. 1899. 



Greenland. 

 Elymus arenarius var. mollis Koidzumi, Jour. Coll. Sci. Univ. Tokyo 27: 24. 



1910. Based on E. mollis Trin. 

 Elymus arenarius var. compositus St. John, Rhodora 17: 102. 1915. Based 



on E. arenarius forma compositus Abromeit. 

 (20) Elymus riparius Wiegand, Rhodora 20: 84. 1918. Ithaca, N.Y., Eames 



and MacDaniels 3567. 

 (10) Elymus salina Jones, Calif. Acad. Sci. Proc. II. 5: 725. 1895. Salina 



Pass, Utah, Jones 5447. 

 (8) Elymus triticoides Buckl., Acad. Nat. Sci. Phila. Proc. 1862: 99. 1863. 



"Rocky Mountains", Nuttall. 

 Elymus condensatus var. triticoides Thurb., in S. Wats., Bot. Calif. 2: 326. 



1880. Based on E. triticoides Buckl. 

 Elymus orcuttianus Vasey, Bot. Gaz. 10: 258. 1885. San Diego, Calif., 



Orcutt. 

 Elymus simplex var. luxurians Scribn. and Williams, U.S.Dept.Agr., Div. Agrost. 



Bull. 11: 58. 1898. Green River, Wyo., Williams 2338. 

 Elymus acicularis Suksdorf, Werdenda I 2 : 3. 1923. Bingen, Wash., Suksdorf 



7861. 

 ELYMUS TRITICOIDES var. PUBESCENS Hitchc., in Jepson, Fl. Calif. 1: 186. 1912. 



Griffin, Calif., Elmer 3748. 

 ELYMUS TRITICOIDES var. SIMPLEX (Scribn.) Hitchc., Amer. Jour. Bot. 21: 132. 



1934. Based on E. simplex Scribn. and Williams. 

 Elymus simplex Scribn. and Williams, U.S.Dept.Agr., Div. Agrost. Bull. 11: 



57. pi. 17. 1898. Green River, Wyo., Williams 2334. 



(3) Elymus vancouverensis Vasey, Bull. Torrey Bot. Club 15: 48. 1888. 

 Vancouver Island, Macoun in 1887. 



(17) Elymus villosus Muhl.; Willd., Enum. PI. 1: 131. 1809. Pennsyl- 

 vania, Muhlenberg. 



Elymus ciliatus Muhl., Descr. Gram. 179. 1817. North Carolina. 

 Elymus hirsutus Schreb.; Roem. and Schult., Syst. Veg. 2: 776. 1817, as 



synonym of E. villosus Muhl. 

 Elymus striatus var. villosus A. Gray, Man. 603. 1848. Based on E. villosus 



Muhl. 



Elymus propinquus Fresen.; Steud., Syn. PL Glum 1: 349. 1854. Illinois. 

 Elymus arkansanus Scribn. and Ball, U.S.Dept.Agr., Div. Agrost. Bull. 24: 



45. f. 19. 1901. Arkansas, Harvey. 

 Elymus striatus var. ballii Pammel, Sup. Rept. Iowa Geol. Survey 1903: 347. 



f. 246. 1905. Iowa [type, from which figure was drawn, Johnson County, 



Fitzpatrick], 

 Elymus striatus var. arkansanus Hitchc., Rhodora 8: 212. 1906. Based on 



E. arkansanus Scribn. and Ball. 

 Hordeum villosum Schenck, Bot. Jahrb. Engler 40: 109. 1907. Based on 



Elymus villosus Muhl. 



