1)7 2 



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



synonym. Texas. Described in Vasey, 

 U. S. Dept. Agr., Div. Bot. Bui. 12 2 : 

 pi. 40. 1891. Texas to Arizona, north- 

 ward to Colorado. 



Tricuspis trinerviglumis Munro ex Vasey, 

 U. S. Dept. Agr., Spec. Rpt. 63: 35. 

 1883, as synonym of Triodia trinervi- 

 glumis Benth. 



Sieglingia trinerviglumis Kuntze, Rev. 

 Gen. PI. 2: 789. 1891. Based on 

 Tricuspis trinerviglumis "Buckl." (error 

 for Munro). 



Sieglingia elongata Nash in Britt. and 

 Brown, Illustr. Fl. 3: 504. 1898. Based 

 on Uralepis elongata Buckl. 



Tricuspis elongata Heller, Cat. N. Amer. 

 PI. ed. 2. 28. 1900. Based on "Triodia" 

 [error for Uralepis] elongata Buckl. 



Triodia elongata Scribn., U. S. Dept. Agr., 

 Div. Agrost. Bui. 17 (ed. 2): 210. f. 506. 



1901. Based on Uralepis elongata Buckl. 



(9) Tridens eragrostoides (Vasey and 

 Scribn.) Nash in Small, Fl. Southeast. 

 U. S. 142. 1903. Based on Triodia 

 eragrostoides Vasey and Scribn. 



Triodia eragrostoides Vasey and Scribn., 



U. S. Natl. Herb. Contrib. 1 : 58. 1890. 



Texas, Nealley. 

 Sieglingia eragrostoides L. H. Dewey, U. S. 



Natl. Herb. Contrib. 2: 539. 1894. 



Based on Triodia eragrostoides Vasey 



and Scribn. 

 Sieglingia eragrostoides var. scabra Vasey 



ex Beal, Grasses N. Amer. 2: 465. 



1896. Texas, Nealley [probably No. 96]. 

 Triodia eragrostoides var. scabra Bush, 



Acad. Sci. St. Louis, Trans. 12: 71. 



1902. Based on Sieglingia eragrostoides 

 var. scabra Vasey. 



(10) Tridens flavus (L.) Hitchc, Rhodora 8: 

 210. 1906. Based on Poa flava L. 



Poa flava L., Sp. PI. 68. 1753. Virginia. 

 Poa sesleroides Michx., Fl. Bor. Amer. 1: 



68. 1803. Not P. seslerioides All., 



1785. Illinois and the mountains of 



Carolina [type], Michaux. 

 Tricuspis caroliniana Beauv., Ess. Agrost. 



179. pi. 3. f. 29, pi. 15. f. 10. 1812. 



South Carolina. 

 Tricuspis novae-boracensis Beauv., Ess. 



Agrost. 77, 179. 1812. Name only. 



New York, Delille. 

 Poa caerulescens Michx. ex Beauv., Ess. 



Agrost. 77. 1812, name only; Kunth, 



Rev. Gram. 1: 108. 1829, as synonym 



of Uralepis cuprea Kunth. 

 Festuca quadridens Poir. in Lam., Encycl. 



Sup. 2: 640. 1812. Carolina, Bosc. 

 Triodia cuprea Jacq., Eclog. Gram. 2: 21. 



pi. 16. 1814. Grown in botanic garden, 



source unknown. 

 Poa quinquefida Pursh, Fl. Amer. Sept. 1: 



81. 1814. New England to Carolina. 

 IPanicum festucoides Poir. in Lam., 



Encycl. Sup. 4: 283. 1816. East Indies, 



Desvaux, but Desvaux later (see 



Triodia festucoides below) corrects this 



to North America. 

 Poa arundinacea Poir. in Lam., Encycl. 



Sup. 4: 329. 1816. Based on P. 



sesleroides Michx. 

 Tridens quinquefidus Roem. and Schult., 



Syst. Veg. 2: 599. 1817. Based on Poa 



quinquefida Pursh. 

 Windsoria poaeformis Nutt., Gen. PI. 1: 



70. 1818. Based on Poa sesleroides 



Michx. 

 Tricuspis sesleroides Torr., Fl. North, and 



Mid. U. S. 118. 1823. Based on Poa 



sesleroides Michx. 

 Cynodon carolinianus Raspail, Ann. Sci. 



Nat., Bot. 5: 302. 1825. Based on 



Tricuspis caroliniana Beauv. 

 Windsoria seslerioides Eaton, Man. ed. 



5. 447. 1829. Based on Poa sesleroides 



Michx. 

 Uralepis cuprea Kunth, Rev. Gram. 1: 



108. 1829. Based on Triodia cuprea 



Jacq. 

 Eragrostis tricuspis Trim, Acad. St. 



Petersb. Mem. VI. Math. Phys. Nat. 1: 



414. 1830. Based on Tricuspis caro- 

 liniana Beauv. 

 Tricuspis quinquifida Beauv. ex Don, 



Loud. Hort. Brit. 31. 1830. Based on 



Poa caerulescens Michx. 

 ? Triodia festucoides Desv., Opusc. 98. 



1831. North America, Panicum festu- 

 coides Desv., in Poir., cited as synonym. 

 Triodia caerulescens Desv., Opusc. 99. 



1831. Based on Poa caerulescens Michx. 

 Triodia novaeboracensis Desv., Opusc. 99. 



1831. Based on Tricuspis novaebora- 

 censis Beauv. 

 Uralepis tricuspis Steud., Nom. Bot. ed. 



2. 1: 564. 1840. Based on Eragrostis 



tricuspis Trin. 

 Festuca purpurea Schreb. ex Steud., Nom. 



Bot. ed. 2. 1 : 632. 1840, as synonym of 

 Uralepis cuprea Kunth. 

 Tricuspis sesleroides var. flexuosa Wood, 



Amer. Bot. and Flor. pt. 2: 398. 1871. 



Pennsylvania. 

 Festuca flava F. Muell., Sel. PI. Indus. 



Cult. 87. 1876. Based on Poa flava 



"Gronov" [L.]. 

 Triodia sesleroides Benth. ex Vasev, U. S. 



Dept. Agr. Spec. Rpt. 63: 35.~ 1883. 



Based on Tricuspis sesleroides Torr. 

 Sieglingia flava Kuntze, Rev. Gen. PI. 2: 



789. 1891. Based on Poa flava L. 

 Sieglingia cuprea Millsp., Fl. W. Va. 471. 



1892. Presumably based on Triodia 



cuprea Jacq. 

 Sieglingia sesleroides Scribn., Torrey Bot. 



Club Mem. 5: 48. 1894. Based on Poa 



sesleroides Michx. 

 Sieglingia sesleroides var. intermedia Vasey 



ex L. H. Dewey, U. S. Natl. Herb. 



Contrib. 2: 539. 1894. Texas to Okla- 

 homa, Sheldon in 1891. 

 Triodia sesleroides var. aristata Scribn. 



