MANUAL OF THE GRASSES OF THE UNITED STATES 871 



(46) HORDEUM L. 



(6) Hordeum adscendens H.B.K., Nov. Gen. and Sp. 1: 280. 1816. Near 

 Mexico City, Humboldt and Bonpland. 



Hordeum distichon L., Sp. PI. 85. 1753. Cultivated. 

 (5) Hordeum gussonianum ParL, Fl. Palerm. 1: 246. 1845. Italy. 

 Hordeum maritimum var. gussonianum Richt., PL Eur. 1: 131. 1890. Based 



on H. gussonianum Parl. 

 Hordeum nodosum depressum Scribn. and Smith, U.S.Dept.Agr., Div. Agrost 



Bull. 4: 24. 1897. [Type, Lexington, Oreg., Leiberg 39.] 

 Hordeum marinum subsp. gussonianum ThelL, Vierteljahrs. Nat. Ges. Zurich 



52: 441. 1908. Based on H. gussonianum Parl. 

 Hordeum depressum Rydb., Bull. Torrey Bot. Club 36: 539. 1909. Based 



on H. nodosum depressum Scribn. and Smith. 

 Hordeum hexastichon L., Sp. PL 85. 1753. Cultivated. 



(2) Hordeum jubatum L., Sp. PL 85. 1753. Canada, Kalm. 

 fCritesion geniculatum Raf., Jour. Phys. Chym. 89: 103. 1819. Illinois. 

 tElymus jubatus Link, Hort. Berol. if 19. 1827. Garden specimen, Hordeum 



jubatum L., doubtfully cited as synonym. 



HORDEUM JUBATUM var. CAESPITOSUM (Scribn.) Hitchc., Biol. Soc. Wash. Proc. 

 41: 160. 1928. Based on H. caespitosum Scribn. (Published as H. 

 jubatum caespitosum,} 



Hordeum caespitosum Scribn., Davenport Acad. Sci. Proc. 7: 245. 1899. 

 Edgemont, S.Dak., Pammel 143; Geranium Park, Wyo., Pammel 157 [type]. 

 Hordeum marinum Huds., FL Angl. ed. 2. 57. 1778. England. 



Hordeum maritimum With., Bot. Arr. Veg. Brit. ed. 2. 1: 127. 1787. Based 



on H. marinum Huds. 

 (1) Hordeum montanense Scribn.; Beal, Grasses N.Amer. 2: 644. 1896. 



Montana, Scribner 429, 430. 



Hordeum pammeli Scribn. and Ball, Iowa Geol. Survey Sup. Rept. 1903: 335. 

 1905. Dakota City, Iowa, Pammel 3824. 



(7) Hordeum murinum L., Sp. PL 85. 1753. Europe. 



Triticum murale Salisb., Prodr. Stirp. 27. 1796. Based on Hordeum murinum 



L. 

 Zeocriton murinum Beauv., Ess. Agrost. 115, 182. 1812. Based on Hordeum 



murinum L. 



(3) Hordeum nodosum L., Sp. PL ed. 2. 1: 126. 1762. Europe. 

 Hordeum pratense Huds., Fl. Angl. ed. 2. 56. 1778. England. 



Zeocriton nodosum Beauv., Ess. Agrost. 115, 165, 182. 1812. Based on Hordeum 



nodosum L. 

 Hordeum pratense var. nodosum Griseb., in Ledeb., Fl. Ross. 4: 329. 1853. 



Based on H. nodosum L. 

 HORDEUM NODOSUM var. BOREALE (Scribn. and Smith) Hitchc., Amer. Jour. 



Bot. 21: 134. 1934. Based on H. boreale Scribn. and Smith. 

 Hordeum boreale Scribn. and Smith, U.S.Dept.Agr., Div. Agrost. Bull. 4: 24. 



1897. Aleutian Islands [type, Atka Island, Turner 1193] and Alaska to 



California. 



(4) Hordeum pusillum Nutt., Gen. PL 1: 87. 1818. Plains of the Missouri, 

 [Nuttall]. 



Hordeum riehlii Steud., Syn. PL Glum. 1: 353. 1854. St. Louis, Mo., Riehl 



181. 

 HORDEUM PUSILLUM var. PUBENS Hitchc., Jour. Wash. Acad. Sci. 23: 453. 1933. 



LaVerkin, Utah, Jones 5196 W. 

 Hordeum spontaneum C. Koch, Linnaea 21: 430. 1848. Caucasus. 



(8) Hordeum vulgare L., Sp. PL 84. 1753. Cultivated in Europe. 

 Hordeum sativum Pers., Syn. PL 1: 108. 1805, as synonym of H. vulgare L. 

 Hordeum polystichum var. vulgare Doell, Rhein. Fl. 67. 1843. Based on 



H. vulgare L. 



Hordeum sativum var. vulgare Richt., PL Eur. 1: 130. 1890. Based on H. 



vulgare L. 



HORDEUM VULGARE var. TRIFURCATUM (Schlecht.) Alefeld, Landw. FL 341. 1866. 

 Based on H. trifurcatum Jess, (probably error for Wender.). 



Hordeum coeleste var. trifurcatum Schlecht., Linnaea 11: 543. 1837. Culti- 

 vated at Halle, seed from Montpellier. 



Hordeum trifurcatum Wender., Flora 26: 233. 1843. Cultivated in Marburg, 

 Germany. 



