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



Sporobolus inflatus Vasey and Dewey; Beal, Grasses N.Amer. 2: 289. 1896. 



Error for S. ligulatus Vasey and Dewey. 

 Crypsinna breviglumis Jones, Contrib. West. Bot. 14: 8. 1912. Chihuahua, 



Mexico [Jones in 1903]. 

 (19) Muhlenbergia dumosa Scribn.; Vasey, Contrib. U.S. Natl. Herb. 3: 71. 



1892. Santa Catalina Mountains, Ariz., Pringle [in 1884], Lemmon; Mexico, 



Pringle; southern California, Orcutt. 

 Muhlenbergia dumosa var. minor Scribn.; Beal, Grasses N.Amer. 2: 261. 1896. 



Mexico, Pringle 2355. 

 (54) Muhlenbergia emersleyi Vasey, Contrib. U.S. Natl. Herb. 3: 66. 1892. 



Southern Arizona, Emersley. 

 Muhlenbergia vaseyana Scribn., Mo. Bot. Gard. Rept. 10: 52. 1899. Based 



on M. distichophylla as described bv Vasev (Wheeler, Rept. U.S. Survey 



100th Merid. 6: 283. 1878, Arizona, 'Rothrock 282, type). 

 Epicampes emersleyi Hitchc, U.S. Dept. Agr. Bull. 772': 144. 1920. Based on 



Muhlenbergia emersleyi Vasey. 

 Epicampes subpatens Hitchc, U.S. Dept. Agr. Bull. 772: 144. 1920. Guada- 

 lupe Mountains, N.Mex., Hitchcock 13541. 

 (49) Muhlenbergia expansa (Poir.) Trin.; Kunth, Enum. PL 1: 207. 1833. 



Based on Trichochloa expansa DC, this based on Stipa expansa Poir. 

 Stipa expansa Poir., in Lam., Encycl. 7: 453. 1806. Carolina, Bosc. 

 Agrostis arachnoidea Poir., in Lam., Encycl. Sup. 1: 249. 1810. Carolina, 



Bosc. 

 Trichochloa purpurea Beauv., Ess. Agrost. 29. pi. 8. f. 2. 1812. United 



States. 

 Vilfa arachnoidea Beauv., Ess. Agrost. 147, 181. 1812. Presumably • based 



on Agrostis arachnoidea Poir. 

 Podosaemum purpureum Beauv., Ess. Agrost. 176, 179. pi. 8. f. 2. 1812. 



Based on Trichochloa purpurea Beauv. 

 Trichochloa expansa DC., Cat. Hort. Monsp. 151. 1813. Based on Stipa 



expansa Poir. 

 Agrostis rubicunda Bosc; DC, Cat. Hort. Monsp. 151. 1813, as synonym of 



Trichochloa expansa DC 

 Agrostis trichopodes Ell., Bot. S.C and Ga. 1: 135. pi. 8. f. 1. 1816. Chatham 



County, Ga., Baldwin. 

 Cinna arachnoidea Kunth, Rev. Gram. 1: 67. 1829. Based on Agrostis 



arachnoidea Poir. 

 Muhlenbergia arachnoidea Trin.; Kunth, Enum. PI. 1: 207. 1833. Based on 



Agrostis arachnoidea Poir. 

 Agrostis expansa Poir.; Steud., Nom. Bot. ed. 2. 1: 40. 1840, as synonym of 



Cinna arachnoidea Kunth. 

 Agrostis longiflora Willd.; Steud., Nom. Bot. ed. 2. 1: 41. 1840, as synonym 



of Cinna arachnoidea Kunth. 

 Muhlenbergia trichopodes Chapm., Fl. South. U.S. 553. 1860. Based on 



Agrostis trichopodes Ell. 

 Muhlenbergia caespitosa Chapm., Bot. Gaz. 3: 18. 1878. Apalachicola, 



Fla., Chapman. 

 Muhlenbergia capillaris var. trichopodes Vasey, Contrib. U.S. Natl. Herb. 3: 



66. 1892. Based on Agrostis trichopodes Ell. 

 Podosaemum trichopodes Bush, Amer. Midi. Nat. 7: 30. 1921. Based on 



Agrostis trichopodes Ell. 

 (17) Muhlenbergia filiculmis Vasey, Contrib. U.S. Natl. Herb. 1: 267. 1893. 



Green Mountain Falls, Colo., Sheldon [321]. 

 (4) Muhlenbergia filiformis (Thurb.) Rydb., Bull. Torrey Bot. Club 32: 600. 



1905. Based on Vilfa depauperata var. filiformis Thurb. 

 Vilfa depauperata var. filiformis Thurb.; S. Wats., in King, Geol. Expl. 40th 



Par. 5: 376. 1871. Yosemite Valley, Calif., Bolander 6091; Donner Lake, 



Torrey 565; East Humboldt Mountains, New, Watson 1280; Uinta Moun- 

 tains, Utah, Watson 1281. 

 Vilfa gracillima Thurb., in S. Wats., Bot. Calif. 2: 268. 1880. Not Muhlenbergia 



gracillima Torr. 1856. California, Sierra Nevada, Brewer [2827]; Yosemite 



Valley, Bolander [6091]. 

 Sporobolus gracillimus Vasey, Descr. Cat. Grasses U.S. 44. 1885. Based on 



Vilfa gracillima Thurb. 

 Sporobolus filiformis Rydb., Contrib. U.S. Natl. Herb. 3: 189. 1895. Based 



on Vilfa depauperata var. filiformis Thurb. 

 Sporobolus depauperatus var. filiformis Beal, Grasses N.Amer. 2: 296. 1896.. 



Montana, Williams; Utah, Jones... 



