970 MISC. PUBLICATION 200, U. S. DEFT. OF AGRICULTURE 



Siealinaia sesleroides var. intermedia Vasey; L. H. Dewey, Contrib. U.S. Natl. 



Herb 2- 539. 1894. Texas to Oklahoma [Sheldon in 1891]. 

 Sieglingia chapmani Small, Bull. Torrey Bot. Club 22: 365. 1895. Florida, 



Triodia sesleroides var. aristata Scribn. and Ball, U.S.Dept.Agr., Div. Agrost. 



Bull. 24: 45. 1901. Clarcona, Fla., Meislahn 90. 

 Triodia chapmani Bush, St. Louis Acad. Sci. Trans. 12: 74. 1902. Based on 



Sieglingia chapmani Small. 

 Tridens sesleroides Nash, in Small, Fl. Southeast. U.S. 142. 1903. Based on 



Poa sesleroides Michx. 



Tridens flavus Hitchc., Rhodora 8: 210. 1906. Based on Poa flava L. 

 Tricuspis flava F. T. Hubb., Rhodora 14: 186. 1912. Based on Poa flava L. 

 Eraqrostis arundinacea Jedw., Bot. Archiv Mez 5: 192. 1924. Texas. 



(2) Triodia grandiflora Vasey, Contrib. U.S. Natl. Herb. 1: 59. 1890. Chenate 



Mountains, Presidio County, Tex., Nealley 823. 

 Triodia nealleyi Vasey, Bull. Torrey Bot. Club. 15: 49. 1888, name only; 



U.S.Dept.Agr., Div. Bot. Bull. 12 2 : pi. 36. 1891. Western Texas, Nealley. 

 Sieglingia nealleyi L. H. Dewey, Contrib. U.S. Natl. Herb. 2: 538. 1894. 



Based on Triodia nealleyi Vasey. 

 Sieglingia avenacea var. grandiflora L. H. Dewey, Contrib. U.S. Natl. Herb. 2: 



538. 1894. Based on Triodia grandiflora Vasey. 

 Sieglingia grandiflora Beal, Grasses N.Amer. 2: 471. 1896. Based on Triodia 



grandiflora Vasey. 

 Tricuspis nealleyi Heller, Cat. N.Amer. PI. ed. 2. 28. 1900. Presumably 



based on Triodia nealleyi Vasey. 

 Tridens nealleyi Woot. and Standl., N.Mex. CoU. Agr. Bull. 81: 129. 1912. 



Based en Triodia nealleyi Vasey. 

 Tridens grandiflorus Woot. and Standl., N.Mex. CoU. Agr. Bull. 81: 129. 



1912. Based on Triodia grandiflora Vasey. 



This species has been referred to Triodia avenacea H.B.K., a Mexican species 

 not known from the United States. 

 (7) Triodia langloisii (Nash) Bush, St. Louis Acad. Sci. Trans. 12: 72. 1902. 



Based on Tricuspis langloisii Nash. 

 Poa ambigua Ell., Bot. S.C. and Ga. 1: 165. 1816. Not Triodia ambigua R. 



Br., 1810. South Carolina and Georgia. 



Windsoria ambigua Nutt., Gen. PI. 1: 70. 1818. Based on Poa ambigua Ell. 

 Tridens ambiguus Schult., Mant. 2: 333. 1824. Based on Poa ambigua Ell. 

 Uralepis ambigua Kunth, Re"v. Gram. 1: 108. 1829. Based on Poa ambigua 



Ell. 



Tricuspis ambigua Chapm., Fl. South. U.S. 559. 1860. Based on Poa ambi- 

 gua Ell. 

 Triodia ambigua Benth.; Vasey, U.S. Dept. Agr. Spec. Rept. 63: 35. 1883. 



Based on Tricuspis ambigua Chapm. 

 Sieglingia ambigua Kuntze, Rev. Gen. PL 2: 789. 1891. Based on Poa 



ambigua Ell. 

 Tricuspis langloisii Nash, Bull. N.Y. Bot. Gard. 1: 293. 1899. Louisiana, 



Langlois. 

 Triodia elliottii Bush, St. Louis Acad. Sci. Trans. 12: 73. 1902. Based on 



Poa ambigua Ell. 

 Tridens langloisii Nash, in Small, Fl. Southeast. U.S. 142. 1903. Based on 



Tricuspis langloisii Nash. 

 (13) Triodia mutica (Torr.) Scribn., Bull. Torrey Bot. Club 10: 30. 1883. 



Based on Tricuspis mutica Torr. 

 Tricuspis mutica Torr., U.S. Rept. Expl. Miss. Pacif. 4: 156. 1857. Laguna 



Colorado, N.Mex., [Bigelow]. 

 Uralepis pilosa Buckl., Acad. Nat. Sci. Phila. Proc. 1862: 95. 1863. Not 



U. pilosa Buckl., op. cit. 94. " Northern Texas" cited, but the type is from 



western Texas, collected by Wright. 

 Uralepis mutica Fourn. ; Hemsl., Biol. Centr. Amer. Bot. 3: 569. 1885, as^yno- 



nym of Triodia mutica Benth. (U. mutica Fourn., Mex. PI. 2: 110. 1886, 



based on Liebmann 611, is Poa alpina.) 

 Sieglingia mutica Kuntze, Rev. Gen. PI. 2: 789. 1891. Based on Tricuspis 



mutica Torr. 

 Tridens muticus Nash., in Small, Fl. Southeast. U.S. 143. 1903. Based on 



Tricuspis mutica Torr. 



(3) Triodia pilosa (Buckl.) Merr., U.S.Dept.Agr., Div. Agrost. Circ. 32: 9, 1901. 



Based on Uralepis pilosa Buckl, 



