880 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Panicum cognatum Schult., Mant. 2: 235. 1824. Based on P. divergens Muhl. 

 Panicum autumnale Bosc; Spreng., Syst. Veg. 1: 320. 1825. Origin unknown. 

 Panicum fragile Kunth, Rev. Gram. 1: 36. 1829. Based on P. diverqens 

 Muhl. 



(48) LEPTURUS R. Br. 



(1) Lepturus cylindricus (Willd.) Trin., Fund. Agrost. 123. 1820. Based on 



Rottboellia cylindrica Willd. 

 Rottboellia cylindrica Willd., Sp. PL 1: 464. 1797. Europe. 

 Ophiurus cylindricus Beauv., Ess. Agrost. 116, 168, 176. 1812. Based on 



Rottboellia cylindrica Willd. 

 Monerma cylindrica Coss. and Dur., Expl. Sci. Alger. 2: 214. 1867. Based on 



Rottboellia cylindrica Willd. 

 Lolium cylindricum Aschers. and Graebn., Syn. Mitteleur. Fl. 2: 761. 1902. 



Based on Rottboellia cylindrica Willd. 



(68) LIMNODEA L. H. Dewey 



(1) Limnodea arkansana (Nutt.) L. H. Dewey, Contrib. U.S. Natl. Herb. 2: 

 518. 1894. Based on Greenia arkansana Nutt. 



Greenia arkansana Nutt., Amer. Phil. Soc. Trans, (n.s.) 5: 142. 1837. Red 



River, Ark. 

 Sclerachne arkansana Torr.; Trin., Mem. Acad. St. Petersb. VI. Sci. Nat. 4 1 : 



274. 1841. Based on Greenia arkansana Nutt. 

 Sclerachne pilosa Trin., Mem. Acad. St. Petersb. VI. Sci. Nat. 4 1 : 275. 1841. 



Texas, Drummond. 

 Limnas arkansana Trin.; Steud., Nom. Bot. ed. 2. 2: 45. 1841. Based on 



Greenia arkansana Nutt. 

 Stipa demissa Steud., Syn. PL Glum. 1: 130. 1854. New Orleans, La., 



Drummond 465. 

 Muhlenbergia hirtula Steud., Syn. PL Glum. 1: 180. 1854. Texas, Drummond. 

 Limnas pilosa Steud., Syn. PL Glum. 1: 421. 1854. Based on Sclerachne 



pilosa Trin. 

 Thurberia arkansana Benth.; Vasey, U.S. Dept. Agr. Spec. Rept. 63: 16. 1883. 



Based on Greenia arkansana Nutt. 

 Thurberia pilosa Vasey, U.S. Dept. Agr. Spec. Rept. 63: 16. 1883. Based on 



Sclerachne pilosa Trin. 

 Limnodea arkansana pilosa Scribn., U.S. Dept. Agr., Div. Agrost. Bull. 7 (ed. 3): 



139. 1900. Based on Sclerachne pilosa Trin. 



(47) LOLIUM L. 



(2) Lolium multiflorum Lam., Fl. Franc, 3: 621. 1778. France. 

 Lolium scabrum Presl, Rel. Haenk. 1: 267. 1830. Peru, Haenke. 

 Lolium italicum A. Br., Flora 17: 241. 1834. Europe. 



Lolium perenne var. italicum Parnell, Grasses Scotl. I 1 : 142. pi. 65. 1842. 



Presumably based on L. italicum A. Br. 

 Lolium perenne var. multiflorum Parnell, Grasses Brit. 302. pi. 140. 1845. 



Presumably based on L. multiflorum Lam. 

 Lolium multiflorum forma microstachyum Uechtritz, Jahresb. Schles. Ges. Vaterl. 



Cult. 1876: 334. 1880. Germany. 

 Lolium temulentum var. multiflorum Kuntze, Rev. Gen. PL 2: 779. 1891. 



Based on L. multiflorum Lam. 

 Lolium multiflorum var. italicum Beck., Wiss. Mitt. Bosn. Herzeg. 9: 459. 



1904. Based on L. italicum A. Br. 

 Lolium multiflorum var. diminutum Mutel, as used by Harger et al. (Conn. 



State Geol. Nat. Hist. Survey Bull. 48: 25. 1930) appears to be L. multiflorum. 



Mutel's variety, described from France, is uncertain. 

 (1) Lolium perenne L., Sp. PL 83. 1753. Europe. 



Lolium brasilianum Nees, Agrost. Bras. 443. 1829. Montevideo, Sellow. 

 Lolium canadense Bernh., in Rouv., Monogr. Lolium 27. 1853. Not L. cana- 



dense Michx., 1817. As synonym of L. perenne. 

 Lolium perenne var. pacyi Sturtev., N.Y. State Agr. Expt. Sta. Rept. 1882 1 : 77. 



1883. Name only, Experiment Station, Geneva, N.Y.. 

 Lolium perenne var. cristatum Pers. Syn. PL 1: 110. 1805. Europe. 

 Lolium rigidum Gaudin, Agrost. Helv. 1: 334. 1811. Switzerland. 



Lolium perenne var. rigidum Coss. and Dur., Expl. Sci. Alger. 2: 194. 1867. 



Based on L. rigidum Gaud. 



