MANUAL OF THE GRASSES OF THE UNITED STATES 837 



(13) Digitaria pauciflora Hitchc, Biol. Soc. Wash. Proc. 41: 162. 1928. South- 

 ern Florida, Eaton 207. 

 (15) Digitaria runyoni Hitchc, Jour. Wash. Acad. Sci. 23: 455. 1933. Mouth 



of Rio Grande, near Brownsville, Tex., Runyon 188. 

 (1) Digitaria sanguinalis (L.) Scop., Fl. Cam. ed. 2. 1: 52. 1772. Based 



on Panicum sanguinale L. 

 Panicum sanguinale L., Sp. PI. 57. 1753. America and southern Europe. 

 Dactylon sanguinalis L.; VOL, Hist. PI. Dauph. 2: 69. 1787. Based on 



Panicum sanguinale L. 

 Syntherisma praecox Walt., Fl. Carol. 76. 1788. South Carolina. 

 Paspalum sanguinale Lam., Tabl. Encycl. 1: 176. 1791. Based on Panicum 



sanguinale L. 

 Digitaria praecox Willd., Enum. PI. 91. 1809. Based on Syntherisma praecox 



Walt. 

 Panicum adscendens H.B.K., Nov. Gen. and Sp. 1: 97. 1815. Venezuela, 



Peru, and Mexico, Humboldt and Bonpland. 

 Cynodon praecox Roem. and Schult., Syst. Veg. 2: 412. 1817. Based on 



Syntherisma praecox Walt. 

 Digitaria marginata Link, Enum. PI. 1: 102. 1821. Brazil. 

 Digitaria fimbriata Link, Hort. Berol. 1: 226. 1827. Brazil. 

 Panicum fimbriatum Kunth, Rev. Gram. 1: 33. 1829. Based on Digitaria 



fimbriata Link. 

 Panicum linkianum Kunth, Rev. Gram. 1: 33. 1829. Based on Digitaria 



marginata Link. 

 Syntherisma sanguinalis Dulac, Fl. Haut. Pyr. 77. 1867. Based on Panicum 



sanguinale L. 

 Syntherisma fimbriatum Nash, Bull. Torrey Bot. Club 25: 302. 1898. 



Based on Digitaria fimbriata Link. 

 Syntherisma marginatum Nash, N.Amer. Fl. 17: 154. 1912. Based on 



Digitaria marginata Link. 

 Digitaria marginata var. fimbriata Stapf, in Prain, Fl. Trop. Afr. 9: 440. 1919. 



Based on D. fimbriata Link. 

 Panicum sanguinale subsp. marginatum Thell., Vierteljahrs. Nat. Ges. Zurich 



64: 699. 1919. Based on Digitaria marginata Link. 

 Digitaria sanguinalis var. marginata Fernald, Rhodora 22: 103. 1920. Based 



on D. marginata Link. 

 Digitaria adscendens Henr., Blumea 1: 92. 1934. Based on Panicum adscen- 

 dens H.B.K. 

 Digitaria nealleyi Henr., Blumea 1: 94. 1934. Texas, Nealley in 1884. A 



duplicate of the type in the National Herbarium is distorted by a fungus. 

 Described as Syntherisma barbata (Willd.) Nash in Small's Flora. 



(6) Digitaria serotina (Walt.) Michx., Fl. Bor. Amer. 1: 46. 1803. Based on 

 Syntherisma serotinum Walt. 



Syntherisma serotinum Walt., Fl. Carol. 76. 1788. South Carolina. 

 Paspalum serotinum Fliigge, Monogr. Pasp. 145. 1810. Based on Digitaria 

 serotina Michx. 



(7) Digitaria simpsoni (Vasey) Fernald, Rhodora 22: 103. 1920. Based on 

 Panicum sanguinale var. simpsoni Vasey. 



Panicum sanguinale var. simpsoni Vasey, Contrib. U.S. Natl. Herb. 3: 25. 



1892. Manatee, Fla., Simpson. 

 Panicum simpsoni Beal, Grasses N.Amer. 2: 109. 1896. Based on Panicum 



sanguinale var. simpsoni Vasey. 

 Syntherisma simpsoni Nash, Bull. Torrey Bot. Club. 25: 297. 1898. Based 

 on Panicum sanguinale var. simpsoni Vasey. 

 r 14) Digitaria subcalva Hitchc, Amer. Jour. Bot. 21: 138. f. 4. 1934. Plant 



City, Fla., C. P. Wright. 

 (12) Digitaria texana Hitchc, Biol. Soc. Wash. Proc. 41: 162. 1928. Sarita, 



Tex., Hitchcock 5479. 

 ;9) Digitaria villosa (Walt.) Pers., Syn. PL 1: 85. 1805. Based on Syn- 

 therisma villosa Walt. 

 Syntherisma villosa Walt., Fl. Carol. 77. 1788. South Carolina. 

 Digitaria pilosa Michx., Fl. Bor. Amer. 1: 45. 1803. Carolina and Georgia, 

 Michaux. Willdenow (Enum. PI. 1: 91. 1809) uses this name, doubtfully 

 citing D. pilosa Michx. The description suggests that Willdenow 's plant, 

 from Carolina, is also D. villosa. 

 Paspalum carolinianum Poir., in Lam., Encycl. Sup. 4: 311. 1816. Carolina 

 and Georgia, Bosc. 



