976 



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



1866. Texas. 

 Trisetum hallii Scribn., Torrey Bot. Club 



Bui. 11: 6. 1884. Texas, Hall 799 in 



part. 

 Sphenopholis interrupta Scribn., Rhodora 



8: 145. 1906. Based on Trisetum inter- 



ruptum Buckl. 

 Sphenopholis hallii Scribn., Rhodora 8: 



146. 1906. Based on Trisetum hallii 



Scribn. 

 Trisetum inter r upturn hallii Hitchc, Biol. 



Soc. Wash. Proc. 41 : 160. 1928. Based 



on T. hallii Scribn. 

 (1) Trisetum melicoides (Michx.) Scribn., 



Bot. Gaz. 9: 169. 1884. Based on Aim 



melicoides Michx. 

 Aira melicoides Michx., Fl. Bor. Amer. 1 



62. 1803. Canada. _ 

 ? Arundo airoides Poir. in Lam., Encycl. 6 



270. 1804. North America, Michaux 

 Graphephorum melicoideum Desv., Nouv 



Bui. Soc. Philom. Paris 2: 189. 1810 



Based on Aira melicoides Michx. 

 IDeyeuxia airoides Beauv., Ess. Agrost. 



44, 152, 160. 1812. Based on Arundo 



airoides Michx. [error for Poir.]. 

 Poa melicoides Nutt., Gen. PI. 1: 68. 



1818. Based on Aira melicoides Michx. 

 Triodia melicoides Spreng., Syst. Veg. 1: 



331. 1825. Based on Aira melicoides 



Michx. 

 ?Agrostis airoides Raspail, Ann. Sci. Nat., 



Bot. 5: 449. 1825. Based on Deyeuxia 



airoides Beauv. 

 ICalamagrostis airoides Steud., Nom. Bot. 



ed. 2. 1: 249. 1840. Based on Arundo 



airoides Poir. 

 Dupontia cooleyi A. Grav, Man. ed. 2. 



556. 1856. Washington, Mich. 



[Cooley]. 

 Graphephorum melicoides var. major A. 



Gray, Amer. Acad. Sci. Proc. 5: 191. 



1861. Based on Dupontia cooleyi A. 



Gray. 

 Graphephorum melicoideum cooleyi Scribn., 



Torrey Bot. Club Mem. 5: 53. 1894. 



Based on Dupontia cooleyi A. Gray. 

 Trisetum melicoideum cooleyi Scribn., 



Rhodora 8: 87. 1906. Based on 



Dupontia cooleyi A. Gray. 

 Trisetum melicoides var. majus Hitchc. in 



Robinson, Rhodora 10: 65. 1908. 



Based on Graphephorum melicoides var. 



major A. Gray. 

 Graphephorum cooleyi Farwell, Mich. 



Acad. Sci. Papers 1: 88. 1921. Based 



on Dupontia cooleyi A. Gray. 

 (7) Trisetum montanum Vasey, Torrey Bot. 



Club Bui. 13: 118. 1886. No locality 



cited. [Type, Las Vegas, N. Mex., 



G. R. Vasey in 1881.] 

 Trisetum argenteum Scribn., U. S. Dept. 



Agr., Div. Agrost. Bui. 11: 49. f. 8. 



1898. Not T. argenteum Roem. and 



Schult., 1817. Silverton, Colo., Shear 



1214. 

 Trisetum shearii Scribn., U. S. Dept. Agr., 



Div. Agrost. Cir. 30: 8. 1901. Based 



on T. argenteum Scribn. 

 Graphephorum shearii Rydb., Torrey Bot. 



Club Bui. 32: 602. " 1905. Based on 



Trisetum shearii Scribn. 

 Trisetum canescens var. montanum Hitchc, 



Biol. Soc. Wash. Proc. 41: 160. 1928. 



Based on T. montanum Vasey. 

 Trisetum montanum var. pilosum Louis- 

 Marie, Rhodora 30: 212. 1928. Caroles, 



N. Mex., Standley 4536. 

 Trisetum montanum var. shearii Louis- 

 Marie, Rhodora 30: 213. 1928. Based 



on Trisetum shearii Scribn. 

 (3) Trisetum orthochaetum Hitchc, Amer. 



Jour. Bot, 21: 134. f. 3. 1934. Lolo 



Hot Springs, Bitterroot Mountains, 



Mont,, Chase 5129. 

 (9) Trisetum pennsylvanicum (L.) Beauv. 



ex Roem. and Schult., Syst. Veg. 2: 658. 



1817. Based on Avena pennsylvanica L. 

 Avena pennsylvanica L., Sp. PI. 79. 1753. 



Pennsylvania, Kalm. 

 1 Avena caroliniana Walt., Fl. Carol. 81. 



1788. South Carolina. 

 Avena palustris Michx., Fl. Bor. Amer. 



1: 72. 1803. Carolina and Georgia, 



Michaux, 

 Aira pollens var. aristata Muhl. ex Ell., 



Bot. S. C. and Ga. 1:151. 1816. South 



Carolina. 

 Avena pennsylvanica Muhl., Descr. Gram. 



185. 1817. Pennsylvania and North 



Carolina. No authority cited but the 



Muhlenberg specimen belongs to the 



Linnaean species. 

 Trisetum palustre Torr., Fl. North, and 



Mid. U. S. 126. 1823. Based on Avena 



palustris Michx. 

 Arrhenatherum pennsylvanicum Torr., Fl. 



North, and Mid. U. S. 1: 130. 1823. 



Based on Avena pennsylvanica L. 

 Arrhenatherum kentuckensis Torr., Fl. 



North, and Mid. U. S. 1: 131. 1823. 



Kentucky, sent by Rafmesque. 

 The name was spelled "Kentuckenensis" in 

 Eaton, Man. Bot. N. Amer. ed. 5. 115. 

 1829, and A. kentuckiensis in Eaton and 

 Wright, N. Amer. Bot. ed. 8. 136. 1840, 

 both credited to Torrey. 



Trisetum ludovicianum Vasey, Torrev Bot. 



Club Bui. 12: 6. 1885. Pointe a la 



Hache, La., Langlois. 

 Sphenopholis palustris Scribn., Rhodora 



8: 145. 1906. Based on Avena palustris 



Michx. 

 Sphenopholis palustris flexuosa Scribn., 



Rhodora 8: 143, 145. 1906. Wilming- 

 ton, Del., Commons 274. 

 Sphenopholis palustris var. flexuosa Scribn. 



in Robinson, Rhodora 10: 65. 1908. 



Based on S. palustris flexuosa Scribn. 

 Sphenopholis pennsylvanica Hitchc, 



Amer. Jour. Bot. 2: 304. 1915. Based 



on Avena pennsylvanica L. 

 Sphenopholis pennsylvanica var. flexuosa 



Hubb., Rhodora 18: 234. 1916. Based 



