MANUAL OF THE GRASSES OF THE UNITED STATES 897 



Oplismenus compositus var. setarius F. M. Bailey, Queensl. Grasses 19. 1888,. 



Based on Panicum setarium Lam. 

 Hippagrostis setarius Kuntze, Rev. Gen. PL 2: 777. 1891. Based on Panicum 



setarium Lam. 

 Oplismenus hirtellus subsp. setarius Mez; Ekman, Arkiv Bot. II 4 : 26. 1912. 



Based on Panicum setarium Lam. 



(34) ORCUTTIA Vasey 



(3) Orcuttia californica Vasey, Bull. Torrey Bot. Club 13: 219. pi. 60. 1886. 

 San Quentin Bay, Baja California, Orcutt. 



(1) Orcuttia greenei Vasey, Bot. Gaz. 16: 146. 1891. Chico, Calif., Greene. 



(2) Orcuttia tenuis Hitchc., Amer. Jour. Bot. 21: 131. 1934. Goose Valley, 

 Shasta County, Calif., Eastwood 1013 (distributed in Amer. Gr. Nat. Herb. 

 no. 686 as Orcuttia californica). 



(Ill) ORYZA L. 



(1) Oryza sativa L., Sp. PL 333. 1753. Africa and India. 



Oryza sativa var. rubribarbis Desv., Jour. Bot. 1: 76. 1813. Cultivated in 



North America. 

 Oryza rubribarbis Steud., Nom. Bot. 577. 1821. Based on O. sativa var. 



rubribarbis Desv. 

 Oryza sativa var. savannae Koern., in Koern. and Wern., Handb. Getreidebau. 



1: 233, 236. 1885. Cultivated, Savannah, Ga. 



(82) ORYZOPSIS Michx. 



(8) Oryzopsis asperifolia Michx.. Fl. Bor. Amer. 1: 51. pi. 9. 1803. Hudson 



Bay to Quebec, Michaux. 



Oryzopsis mutica Link, Enum. PL 1: 41. 1821. North America. 

 Urachne asperifolia Trin., Gram. Unifl. 174. 1824. Based on Oryzopsis 



asperifolia Michx. 



Urachne leucosperma Link, Hort. Berol. 1: 94. 1827. Albany, N.Y. 

 Urachne mutica Steud., Nom. Bot. ed. 2. 2: 731. 1841. Based on Oryzopsis 



mutica Link. 

 Oryzopsis leucosperma Link; Walp., Ann. Bot. [London] 3: 728. 1853, as 



synonym of Urachne asperifolia Trin. 

 (10) Oryzopsis bloomeri (Boland.) Ricker; Piper, Contrib. U.S. Natl. Herb. 11: 



109. 1906. Based on Stipa bloomeri Boland. 

 Stipa bloomeri Boland., Proc. Calif. Acad. 4: 168. 1872. Bloody Canyon, 



near Mono Lake, Calif., Bolander [6116]. 

 Oryzopsis caduca Beal, Bot. Gaz. 15: 111. 1890. Belt Mountains, Mont., 



Scribner. 

 Stipa caduca Scribn., Contrib. U.S. Natl. Herb. 3: 54. 1892. Based on 



Oryzopsis caduca Beal. 

 Eriocoma caduca Rydb., Mem. N.Y. Bot. Gard. 1: 25. 1900. Based on Stipa 



caduca Scribn. 



This is the species described by Beal (Grasses N.Amer. 2: 226. 1896) under 

 the name Oryzopsis sibirica Beal, but the name is based on Stipa sibirica Lam., 

 not known from America. 

 (6) Oryzopsis canadensis (Poir.) Torr., Fl. N.Y. 2: 433. 1843. Based on 



Stipa canadensis Poir. 

 Stipa juncea Michx., Fl. Bor. Amer. 1: 54. 1803. Not S. juncea L., 1753. 



Hudson Bay, Canada, Michaux. 

 Stipa canadensis Poir., in Lam., Encycl. 7: 452. 1806. Based on S. juncea 



Michx. 

 Urachne canadensis Torr. and Gray, Gram, and Cyp. Exsicc. no. 114. 1836. 



Based on Stipa canadensis Poir. 

 Oryzopsis juncea B.S.P., Prel. Cat. N.Y. 67. 1888. Based on Stipa juncea 



Michx. 



Stipa macounii Scribn.; Macoun, Cat. Can. PL 2 5 : 390. 1890. New Bruns- 

 wick. 

 Oryzopsis macounii Beal, Grasses N.Amer. 2: 229. 1896. Based on Stipa 



macounii Scribn. 



This is the species to which the name Stipa richardsonii Link was applied by 

 A. Gray in the earlier editions of the Manual. 



