MANUAL OF THE GRASSES OF THE UNITED STATES 



909 



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 Ortho- 



pogon parvifolius Nutt. 

 Oplismenus compositus var. setarius F. M. 



Bailey, Queensl. Grasses 19. 1888. 



Based on Panicum setarium Lam. 

 Hippagrostis setarius Kuntze, Rev. Gen. 



PI. 2: 777. 1891. Based on Panicum 



setarium Lam. 

 Oplismenus hirtellus subsp. setarius Mez 



ex Ekman, Arkiv Bot. II 4 : 26. 1912. 



Based on Panicum setarium Lam. 



(36) ORCUTTIA Vasey 



(2) Orcuttia californica Vasey, Torrey Bot. 

 Club Bui. 13: 219. pi. 60. 1886. San 

 Quentin Bay, Baja California, Orcutt. 



Orcuttia californica var. inaequalis 



(Hoover) Hoover, Torrey Bot. Club 



Bui. 68: 154. 1941. Based on 0. 



inaequalis Hoover. 

 Orcuttia inaequalis Hoover, Madrono 3: 



229. 1936. Montpellier, Calif., Hoover 



582. 

 Orcuttia californica var. viscida Hoover, 



Torrey Bot. Club Bui. 68: 155. 1941. 



Folsom, Calif., Hoover 3709. 

 (1) Orcuttia greenei Vasey, Bot. Gaz. 16: 



146. 1891. Chico, Calif., Greene. 

 (4) Orcuttia pilosa Hoover, Torrey Bot. 



Club Bui. 68: 155. 1941. Waterford, 



Calif., Hoover 3624. 



(3) Orcuttia tenuis Hitchc, Amer. Jour. 

 Bot. 21: 131. 1934. Goose Valley, 

 Shasta County, Calif., Eastwood 1013 

 (distributed in Amer. Gr. Natl. Herb. 

 No. 686 as Orcuttia californica). 



(119) ORYZA L. 



(1) Oryza sativa L., Sp. PI. 333. 1753. 



Africa and India. 

 Oryza sativa var. rubribarbis Desv., Jour. 



Bot. Desv. 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. Sa- 

 vannah, Ga. 



(89) ORYZOPSIS Michx. 



(8) Oryzopsis asperifolia Michx., Fl. Bor. 

 Amer. 1: 51. pi. 9. 1803. Hudson Bay 

 to Quebec, Michaux. 



Oryzopsis aspera "Mx." ex Muhl., Cat. 

 PL 11. 1813., error for O. asperifolia. 



Oryzopsis mutica Link, Enum. PL 1: 41. 

 1821. North America. 



Urachne asperifolia Trin., Gram. Unifl. 

 174. 1824. Based on Oryzopsis asperi- 

 folia 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 ex Walp., 

 Ann. Bot. [London] 3: 728. 1853, as 

 synonym of Urachne asperifolia Trin. 

 (10) Oryzopsis bloomeri (Boland.) Ricker 

 in Piper, U. S. Natl. Herb. Contrib. 

 11 : 109. 1906. Based on Stipa bloomeri 

 Boland. 

 Stipa bloomeri Boland., Calif. Acad. Sci. 

 Proc. 4: 168. 1872. Bloody Canyon, 

 near Mono Lake, Calif., Bolander 

 [6116]. 

 Oryzopsis caduca Beal, Bot. Gaz. 15: 111. 

 1890. Belt Mountains, Mont., Scrib- 

 ner. 

 Stipa caduca Scribn., U. S. Natl. Herb. 

 Contrib. 3: 54. 1892. Based on Oryzop- 

 sis caduca Beal. 

 Eriocoma caduca Rydb., N. Y. Bot. Gard. 

 Mem. 1: 25. 1900. Based on Stipa 

 caduca, Scribn. 

 X Stiporyzopsis caduca B. L. Johnson and 

 Rogler, Amer. Jour. Bot. 30: 55. f. 10, 

 14, 28-33. 1943. Based on Oryzopsis 

 caduca Beal. "Oryzopsis hymenoides X 

 Stipa viridula." 

 X Stiporyzopsis bloomeri B. L. Johnson, 

 Amer. Jour. Bot. 32: 602. f. 14-18. 

 1945. Based on Stipa bloomeri Bolander. 

 u Oryzopsis hymenoides X Stipa occi- 

 dental is.'" 

 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. in A. Gray, 

 N. Amer. Gram, and Cyp. 2: 114. 

 1835. Based on Stipa canadensis Poir. 

 Oryzopsis juncea B. S. P., Prel. Cat. N. Y. 

 67. 1888. Based on Stipa juncea 

 Michx. 

 Stipa macounii Scribn. in Macoun, Can. 

 PL Cat. 2 5 : 390. 1890. New Brunswick. 

 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. 

 (4) Oryzopsis exigua Thurb. in Wilkes, 

 U. S. Expl. Exped. Bot, 17: 481. 1874. 

 Cascade Mountains, Oreg., Wilkes 

 Expl. Exped. 



