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



(11) Muhlenbergia wrightii Vasey in Coulter, Man. Rocky Mount. 409. 1885. 



Colorado and New Mexico, [type Wright 1986]. 

 Muhlenbergia wrightii var. annulata Vasey, Descr. Cat. Grasses U.S. 41. 



1885. Name only. [Arizona, Lemmon 3179.] 

 Muhlenbergia coloradensis Mez, Repert. Sp. Nov. Fedde 17: 213. 1921. 



"Chiann [Cheyenne] Canyon", Colo., Jones [806]. 



(106) MUNROA Torr. 



(1) Munroa squarrosa (Nutt.) Torr., U.S. Rept. Expl. Miss. Pacif. 4 5 : 158. 

 1857. Based on Crypsis squarrosa Nutt. 

 Crypsis squarrosa Nutt., Gen. PI. 1: 49. 1818. Grand detour of the Missouri 



River, [S.Dak., Nuttall]. 

 Munroa squarrosa var. floccuosa Vasey; Beal, Grasses N.Amer. 2: 456. 1896. 

 Arizona, [Peach Springs], Jones. (See p. 523.) 

 Nardus stricta L., Sp. PL 53. 1753. Europe. 



Nassella major (Trin. and Rupr.) Desv., in Gay, Fl. Cliil. 6: 265. 1853. Based 

 on Urachne major Trin. and Rupr. 

 Urachne major Trin. and Rupr., Mem. Acad. St. Petersb. VI. Sci. Nat. 5 1 : 211. 

 1842. Chile. 



(27) NEYRAUDIA Hook. f. 



(1) Neyraudia reynaudiana (Kunth) Keng, in Hitchc, Amer. Jour. Bot. 21: 

 131. 1934. Based on Arundo reynaudiana Kunth. 

 Arundo reynaudiana Kunth, Rev. Gram. 2: 275. pi. 49. 1830. Burma, 

 Reynaud. 



(139) OLYRA L. 



(1) Olyra Iatifolia L., Syst. Nat. ed. 10. 2: 1261. 1759. Jamaica, Sloane. 



Olyra paniculata Swartz, Prodr. Veg. Ind. Occ. 21. 1788. Jamaica, Swartz. 



Olyra arundinacea H.B.K., Nov. Gen. and Sp. 1: 197. 1816. Colombia, 

 Humboldt and Bonpland. 



Stipa Iatifolia Raspail, Ann. Sci. Nat., Bot. 5: 449. 1825. Based on Olyra 

 Iatifolia L. 



Olyra Iatifolia var. arundinacea Griseb., Fl. Brit. W.Ind. 535. 1864. Pre- 

 sumably based on O. arundinacea H.B.K. 



(132) OPLISMENUS Beauv 2 3 



Oplismenus hirtellus (L.) Beauv., Ess. Agrost. 54, 168, 170. 1812. Based on 



Panicum hirtellum L. 

 Panicum hirtellum L., Syst. Nat. ed. 10. 2: 870. 1759. Jamaica, [Browne]. 

 This species is cultivated under the name Panicum variegatum Hort. (see Gard. 

 Chron. 458. 1867). 

 (1) Oplismenus setarius (Lam.) Roem. and Schult., Syst. Veg. 2: 481. 1817. 



Based on Panicum setarium Lam. 

 Panicum setarium Lam., Tabl. Encycl. 1: 170. 1791. South America, 



Commerson. 

 Panicum velutinum G. Meyer, Prim. Fl. Esseq. 51. 1818. British Guiana 



[Meyer]. 

 Orthopogon parvifolium Nutt., Gen. PI. 1: 55, errata. 1818. Florida and 



South Carolina. On page 55 this is described under Orthopogon hirtellus 



Nutt., the name based on Panicum hirtellum L., but misapplied. 

 Setaria hirtella Schult., Mant. 2: 276. 1824. Based on the species described 



by Muhlenberg (Descr. Gram. 103. 1817) under the name Panicum 



hirtellum. 

 Orthopogon setarius Spreng., Syst. Veg. 1: 306. 1825. Based on Panicum 



setarium Lam. 

 Oplismenus parvifolius Kunth, Rov. Gram. 1: 45. 1829. Based on Orthopogon 



parvifolium Nutt. 

 Orthopogon hirtellus Eaton and Wright, N.Amer. Bot. ed. 8. 336. 1840. 



Southern States. No reference to Nuttall, nor synonym cited. 

 Panicum nuttallianum Steud., Nom. Bot. ed. 2. 2: 260. 1841. Based on 



Orthopogon parvifolius Nutt. 



» For discussion of types see Hitchc, Contrib. U.S. Natl. Herb. 22: 126-130. 1920. 



