MANUAL OF THE GRASSES OF THE UNITED STATES 895 



(14) Muhlenbergia torreyana (Schult.) Hitchc, Amer. Jour. Bot. 21: 136. 1934. 

 Based on Agrostis torreyana Schult. 

 Agrostis compressa Torr., Cat. PL N.Y. 91. 1819. Not A. compressa Willd., 



1790. New Jersey, Goldy. 

 Yilfa compressa Trin.; Spreng., Neu. Entd. 2: 58. 1821. Not V. compressa 



Beau v., 1812. North America. 

 Colpodium compressum Trin.; Spreng., Neu. Entd. 2: 58. 1821, as synonym 



of Vilfa compressa Trin. 

 Agrostis torreyana Schult., Mant. 2: 203. 1824. Based on Agrostis compressa 



Torr. 

 Sporobolus compressus Kunth, Enum. PI. 1: 217. 1833. Based on Agrostis 



compressa Torr. 

 Sporobolus torreyanus Nash, in Britton, Man. 107. 1901. Based on Agrostis 

 torreyana Schult. 

 (42) Muhlenbergia torreyi (Kunth) Hitchc; Bush, Amer. Midi. Nat. 6: 84. 

 1919. Based on Agrostis torreyi Kunth. 

 Agrostis caespitosa Torr., Ann. Lye. N.Y. 1: 152. 1824. Not A. caespitosa 

 Salisb., 1796, nor Muhlenbergia caespitosa Chapm., 1878. Prairies of 

 Missouri and Platte Rivers. 

 Agrostis torreyi Kunth, Rev. Gram. 1: Sup. XVII. 1830. Based on A. 



caespitosa Torr. 

 Muhlenbergia gracillima Torr., U.S. Rept. Expl. Miss. Pacif. 4: 155. 1856. 

 Llano Estaeado and near Antelope Hills, Canadian River, Tex. [Bigelow.] 

 Muhlenbergia nardifolia Griseb., Abh. Ges. Wiss. Gottingen 24: 294. 1879. 



Argentina. 

 Agrostis peckii House, Amer. Midi. Nat. 7: 126. 1921. Based on A. caespitosa 



Torr. The name misapplied to the awned form of Agrostis hiemalis. 

 Podosaemum gracillimum Bush, Amer. Midi. Nat. 7: 33. 1921. Based on 

 Muhlenbergia gracillima Torr. 

 (15) Muhlenbergia uniflora (Muhl.) Fernald, Rhodora 29: 10. 1927. Based 

 on Poa uniflora Muhl. 

 Poa? uniflora' Muhl., Descr. Gram. 151. 1817. New England. 

 Agrostis serotina Torr., Fl. North, and Mid. U.S. 1: 88. 1823. Not A. 



serotina Lam., 1767. New Jersey. 

 Yilfa serotina Trin., Gram. Icon. 3: pi. 251. 1830. North America, "Agrostis 



serotina Nutt. ms. " 

 Vilfa tenera Trin., Mem. Acad. St. Petersb. VI. Sci. Nat. 4 1 : 87. 1840. 



Boston, Boott. 

 Poa modesta Tuckerm., Amer. Jour. Sci. 45: 45. 1843. Cambridge, Mass. 



[Tucker man.] 

 Sporobolus serotinus A. Gray, Man. 577. 1848. Based on Agrostis serotina 



Torr. 

 Sporobolus uniflorus Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. Circ. 



27: 5. 1900. Based on Poa uniflora Muhl. 

 Poa stricta uniflora Muhl.; Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



Circ. 27: 5. 1900, as synonym of Sporobolus uniflorus Muhl. 

 Muhlenbergia uniflora var. terrae-novae Fernald, Rhodora 29: 11. 1927. 

 Newfoundland, Fernald, Long and Dunbar 26244. 

 (6) Muhlenbergia utilis (Torr.) Hitchc, Jour. Wash. Acad. Sci. 23: 453. 1933. 

 Based on Vilfa utilis Torr. 

 Vilfa utilis Torr., U.S. Rept, Expl. Miss. Pacif. 5 2 : 365. 1857. Between 



Tejon Pass and Lost Hills, Calif., [Blake]. 

 Vilfa sacatilla Fourn., Mex. PL 2: 101. 1886. Chapultepec, Mexico, Schaffner; 



San Luis de Potosi, Virlet 1455; Texas, Wright. 

 Sporobolus sacatilla Griseb.; Fourn., Mex. PL 2: 101. 1886, as synonym of 



Vilfa sacatilla Fourn. 

 Sporobolus utilis Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 17: 171. f. 467. 

 1899. Based on Vilfa utilis Torr. 

 (35) Muhlenbergia virescens (H.B.K.) Kunth, Rev. Gram. 1: 64. 1829. 

 Based on Podosaemum virescens H.B.K. 

 Podosaemum virescens H.B.K., Nov. Gen. and Sp. 1: 132. 1815. Mexico, 



Humboldt and Bonpland. 

 Trichochloa virescens Roem. and Schult., Syst. Veg. 2: 389. 1817. Based 



on Podosaemon virescens H.B.K. 

 Muhlenbergia straminea Hitchc, Contrib. U.S. Natl. Herb. 17: 302. 1913. 

 Chihuahua, Mexico, Endlich 1210. 



55974°— 35 57 



