MANUAL OF THE GRASSES OF THE UNITED STATES 



887 



Elymus hysirix L. 



Zeocriton hystrix Beauv., Ess. Agrost. 115, 

 182. 1812. Presumably based on Ely- 

 mus hystrix L. 



Asperella echidnea Raf., Amer. Monthly- 

 Mag. 4: 190. 1819. Based on Elymus 

 hystrix L. 



Elymus pseudohystrix Schult., Mantissa 

 2 : 427. 1824. Based on "Elymus hystrix 

 Nutt." (error for L., Nuttall applying 

 the Linnaean name correctly). 



Asprella americana Nutt., Amer. Phil. 

 Soc. Trans, (n.s.) 5: 151. 1837. Arkan- 

 sas, Nuttall. 



Asprella angustifolia Nutt., Amer. Phil. 

 Soc. Trans, (n.s.) 5: 151. 1837. Ar- 

 kansas, Nuttall. 



Asprella major Fres. ex Steud., Norn. 

 Bot. ed. 2. 1 : 152. 1840, as synonym of 

 Elymus hystrix L. 



Hystrix hystrix Millsp., Fl. W. Va. 474. 

 1892. Based on Elymus hystrix L. 



Hystrix elymoides Mackenz. and Bush, 

 Man. Fl. Jackson County 39. 1902. 

 Based on Elymus hystrix L. 



Hordeum hystrix Schenck, Bot. Jahrb. 

 40: 109. 1907. Not H. hystrix Roth, 

 1797. Based on Elymus hystrix L. 



Gymnostichum patulum Lunell, Amer. 

 Midi. Nat. 4: 228. 1915. Based on 

 Hystrix patula Moench. 



Asperella hystrix var. bigeloviana Fernald, 

 Rhodora 24: 230. 1922. Hanover, 

 Conn., Williams in 1910. 



Hystrix patula var. bigeloviana Deam, 

 Ind. Dept. Conserv." Pub. 82: 117. 

 1929. Based on Asperella hystrix var. 

 bigeloviana Fernald. 



Elymus californicus Gould, Madroiio 9: 

 127. 1947. Based on Gymnostichum 

 californicum Boland. 



(148) IMPERATA Cyrillo 



(1) Imperata brasiliensis Trim, Acad. St. 

 Petersb. Mem. VI. Math. Phys. Nat. 

 2:331. 1832. Brazil. 



Imperata brasiliensis var. mexicana Rupr., 

 Acad. Sci. Brux. Bui. 9 2 : 245. 1842. 

 Name only. Mexico, Galeotti 5678. 



Imperata arundinacea var. americana 

 Anderss., Ofv. Svensk. Vet. Akad. 

 Forh. 12: 160. 1855. British Guiana, 

 Schomburgk 665; Mexico, Galeotti 5678; 

 Chile, d' Urville. 



This is the species described as Imperata 

 caudata Cyrillo in Chapm., Fl. South. U.S. 

 ed. 2. 668.' 1883. 



(2) Imperata brevifolia Vasey, Torrey Bot. 

 Club Bui. 13: 26. 1886. Southern 

 California, Parish 1031. 



Imperata arundinacea^ subsp. hookeri 



Rupr. ex Anderss., Ofv. Svensk. Vet. 



Akad. Forh. 12: 160. 1855. Texas, 



Drummond II. 283. 

 Imperata hookeri Rupr. ex Hack, in DC. 



Monogr. Phan. 6: 97. 1889. Based on 



Imperata arundinacea subsp. hookeri 



Rupr. ex Anderss. 

 Imperata cylindrica (L.) Beauv., Ess. 



Agrost. 8, 165, 166, 177. pi. 5. f. 1. 1812. 



Based on Lagurus cylindricus L. 

 Lagurus cylindricus L., Syst. Nat. ed. 10. 



2:878. ' 1759. Europe. ' 

 Saccharum cylindricum Lam., Encycl. 1: 



594. 1783. Based on Lagurus cylin- 

 dricus L. 

 Imperata arundinacea Cyrillo, PI. Rar. 



Neap. 2: 27. pi. 11. 1788. Italy. 



(55) KOELERIA Pers. 



(1) Koeleria cristata (L.) Pers., Syn. PI. 1: 



97. 1805. il Poa cristata auctorum," 



presumably Poa cristata L., used by 



Willd. (Sp. PL 1: 402. 1797), Lamarck 



(Tabl. Encycl. 1: 182. 1791), and 



others. 

 Aira crisloia L., Sp. PL 63. 1753. Europe. 

 Poa cristata L., Syst. Nat. ed. 12. 94. 



1767. Based on Aira cristata L. 

 Festuca cristata, VilL, Hist. PI Dauph. 1: 



250. 1786. Not F. cristata L., 1753. 



Based on Aira cristata L. 

 Koeleria gracilis Pers., Syn. PL 1: 97. 



1805. Europe. 

 Koeleria nitida Nutt., Gen. PL 1: 74. 



1818. Plains of the Missouri. 

 Aira gracilis Trim, Fund. Agrost. 144. 



1820. Based on Koeleria gracilis Pers. 

 Airochloa cristata Link, Hort. Berol. 1: 



127. 1827. Based on Aira cristata L. 



The specific name was misspelled 



"aristata" in Link, Handb. Gewachs. 1: 



64. 1829. 

 Airochloa gracilis Link, Hort. Berol. 2: 



276. 1827. Based on Koeleria gracilis 



Pers. 

 Koeleria cristata, var. nuttalii Wood, 



Class-book ed. 2. 613. 1847. Pre- 

 sumably based on K. nitida Nutt. 

 Koeleria cristata var. gracilis A. Gray, 



Man. 591. 1848. No definite locality 



cited. Presumably based on K. gracilis 



Pers. 

 Brachystylus cristatus Dulac, Fl. Haut. 



Pyr. 85. 1867. Based on Koeleria 



cristata Pers. 

 Koeleria nitida var. arkansana Scribm, 



Kans. Acad. Sci. Trans. 9: 118. 1885. 



[Arkansas.] 

 Koeleria arkansana Nutt. ex Scribn., 



Kans. Acad. Sci. Trans. 9: 118. 1885, 



[Arkansas, Nuttall] as synonym of K. 



nitida var. arkansana. 

 Achaeta geniculata Fourn., Mex. PL 2: 



109. i886. Mexico, Liebmann 609. 

 Koeleria cristata var. major Vasey in 



Macoun, Can. PL Cat. 2 4 : 218. 1888. 



Not K. cristata var. major Koch, 1837. 



Name only, for Macoun, Vancouver 



Island. 

 Koeleria cristata var. pubescens Vasey ex 



Daw in Jepson, FL West. Mid. Calif, 



