MANUAL OF THE GRASSES OF THE UNITED STATES 



801 



Hordeum canadense Aschers. and Graebn., 

 Syn. Mitteleur. El. 2: 745. 1902. 

 Based on Elymus canadensis L. 



Terrellia canadensis Lunell, Amer. Midi. 

 Nat. 4: 228. 1915. Based on Elymus 

 canadensis L. 



Terrellia canadensis var. alaucifolia Lu- 

 nell, Amer. Midi. Nat. 4: 228. 1915. 

 Based on Elymus glaucifolius Muhl. 



Elymus robust us var. vestitus Wiegand, 

 Rhodora 20: 90. 1918. Cedar Point, 

 Ohio, MacDaniels 106. 



Elymus canadensis var. philadelphicus 

 Farwell, Mich. Acad. Sci. Rpt, 21: 357. 

 1920. Based on E. philadelphicus L. 



Elymus philadelphicus var. hirsutus Far- 

 well, Amer. Midi. Nat. 10: 314. 1927. 

 Name proposed for E. canadensis as 

 described by Wiegand (Rhodora 20 : 87. 

 1918) "in large part." 



Elymus philadelphicus var. pendulus Far- 

 well, Amer. Midi. Nat. 10: 314. 1927. 

 Based on E. canadensis var. pendulus 

 Eaton and Wright. 



Clinelymus canadensis Nevski, Jard. Bot. 

 Acad. Sci. U. R. S. S. Bui. 30: 650. 

 1932. Based on Elymus canadensis L. 



Elymus canadensis forma glaucifolius 

 Fernald, Rhodora 35: 191. 1933. 

 Based on E. glaucifolius Muhl. 



Elymus wiegandii Fernald, Rhodora 35: 

 192. 1933. St. Francis, Maine, Fernald 

 197. 



Elyjnus wiegandii forma calvescens Fer- 

 nald, Rhodora 35: 192. 1933. Dead 

 River, Maine, Fernald and Strong in 

 1896. 

 Elymus canadensis var. brachystachys 

 (Scribn. and Ball) Farwell, Mich. Acad. 

 Sci. Rpt. 21: 357. 1920. Based on E. 

 brachystachys Scribn. and Ball. 



Elymus brachystachys Scribn. and Ball, 

 U. S. Dept. Agr., Div. Agrost. Bui. 24: 

 47. f. 21. 1901. Indian Territory 

 [Oklahoma], Palmer 420. 



Elymus philadelphicus var. brachystachys 

 Farwell, Amer. Midi. Nat, 10: 314. 

 1927. Based on E. brachystachys Scribn. 

 and Ball. 

 Elymus canadensis var. robustus (Scribn. 

 and Smith) Mackenz. and Bush, Man. 

 Fl. Jackson County 38. 1902. Based 

 on E. robustus Scribn. and Smith. 



Elymus canadensis forma crescendus Ram- 

 aley, Minn. Bot. Studies 1: 114. 1894. 

 Springfield, Minn., Sheldon 1120. 



Elymus robustus Scribn. and Smith, U. S. 

 Dept. Agr., Div. Agrost. Bui. 4: 37. 

 1897. Illinois [type, Wolf], Iowa, 

 Kansas, and Montana. 



Elymus crescendus Wheeler, Minn. Bot. 

 Studies 3: 106. 1903. Based on E. 

 canadensis forma crescendus Ramaley. 



Elymus canadensis villosus Bates, Amer. 

 Bot. 20: 17. 1914. Loup City and 

 Arcadia, Nebr., Bates in 1911. 



Elymus glaucifolius crescendus Bush, 



Amer. Midi. Nat. 10: 83. 1926. Based 



on E. canadensis forma crescendus 



Ramaley. 

 Elymus glaucifolius robustus Bush, Amer. 



Midi. Nat. 10: 87. 1926. Based on E. 



robustus Scribn. and Smith. 

 Elymus philadelphicus var. robustus Far- 

 well, Amer. Midi. Nat. 10: 314. 1927. 



Based on E. robustus Scribn. and Smith. 

 (1) Elymus caput-medusae L., Sp. PI. 84. 



1753. Southern Europe. 

 Hordeum caput-medusae Coss. and Dur., 



Expl. Sci. Alger. 2: 198. 1855. Based 



on Elymus caput-medusae L. 

 Taeniatherum caput-medusae Nevski, Act. 



Univ. Asiae Med. VIII b. Bot. 17: 38. 



1934. Based on Elymus caput-medusae 



L. 



(14) Elymus cinereus Scribn. and Merr., 

 Torrey Bot. Club Bui. 29: 467. 1902. 

 Pahrump Valley, Nev., Purpus 6050. 



Elymus condensaius var. pubens Piper, 

 Erythea 7: 101. 1899. Yakima City, 

 Wash., Piper 2591. (Published as E. 

 condensatus pubens.) 



Elymus condensatus forma pubens St. 

 John, Fl. Southeast. Wash, and Adj. 

 Idaho 42. 1937. Based on E. conden- 

 satus var. pubens Piper. 

 (13) Elymus condensatus Presl, Rel. Haenk. 

 1: 265. 1830. Monterey, Calif. Haenke. 



Aneurolepidium condensatum Nevski, 

 Akad. Nauk. S. S. S. R. Bot. Inst, 

 Trudy I. (Acad. Sci. U. R. S. S. Inst. 

 Bot. Acta I, Flora et Syst. Plant. Vase.) 

 1: 14. 1933. Based on Elymus con- 

 densatus Presl. 

 (4) Elymus flavescens Scribn. and Smith, 

 U. S. Dept. Agr., Div. Agrost. Bui. 8: 

 8. f. 1. 1897. Columbus, Wash., 

 Suksdorf 916. 



Leymus flavescens Pilger, Bot. Jahrb. 74: 

 6. 1945. Based on Elymus flavescens 

 Scribn. and Smith. 

 Elymus giganteus Vahl, Symb. Bot. 3: 10. 

 1794. Old World. 



Leymus giganteus Pilger, Bot. Jahrb. 74: 

 6. 1945. Based on Elymus giganteus 

 Vahl. 



(15) Elymus glaucus Buckl., Acad. Nat, 

 Sci. Phila. Proc. 1862: 99. 1862. 

 Columbia River, Oreg., Nuttall. 



Elymus villosus var. glabriusculus Torr., 

 U. S. Expl. Miss. Pacif. Rpt. 4: 157. 

 1857. Napa Valley, Calif. 



Elymus nitidus Vasey, Torrey Bot. Club 

 Bui. 13: 120. 1886. Eagle Mountains 

 Oreg., Cusick [1130]. 



Elymus americanus Vasey and Scribn. ex 

 Macoun, Can. PI. Cat. 2 4 : 245. 1888 

 name only; Cassidy, Colo. Agr. Expt 

 Sta. Bui. 12: 57. 1890. Arapahoe Pass 

 Colo. 



Elymus sibiricus var. americanus Wats 

 and Coult. in A. Gray, Man. ed. 6 

 673. 1890. Michigan and westward. 



Elymus sibiricus var. glaucus Ramaley, 



