MANUAL OF THE GRASSES OF THE UNITED STATES 



977 



on S. palustris flexuosa Scribn. 

 The plant from Hunting Creek, Va., dis- 

 cussed by Vasey (Bot. Gaz. 9: 165. 1884) 

 as a hybrid between Trisetum palustre and 

 Eatonia pennsylvanica, is an exceptional 

 specimen of Trisetum pennsylvanicum (L.) 

 Beauv. with short-awned and awnless 

 spikelets. 



(5) Trisetum spicatum (L.) Richt., PI. Eur. 

 1: 59. 1890. Based on Aira spicata L. 

 Aira spicata L., Sp. PI. 64. 1753. Lap- 

 land. 

 Aira subspicata L., Syst. Nat. ed. 10. 2: 

 873. 1759. Based on A. spicata L. 

 (Sp. PI. 64. 1753), the diagnosis copied. 

 Avena airoides Koel., Descr. Gram. 298. 



1802. Based on Aira subspicata L. 

 Avena mollis Michx., Fl. Bor. Amer. 1: 72. 



1803. Canada. Not Avena mollis Salisb., 

 1796, nor Koel., 1802. 



Avena subspicata Clairv., Man. Herbor. 



17. 1811. Based on a phrase name in 



Haller which refers to Aira spicata L. 

 Trisetum subspicatum Beauv., Ess. Agrost. 



88, 149. 1812. Based on Aira sub- 

 spicata L. 

 Melica triflora Bigel., New England Jour. 



Med. and Surg. 5: 334. 1816. Mount 



Washington, N. H., Boott. (In Eaton, 



Man. ed. 2. 317. 1818, misspelled 



Melia triflora and placed under the 



genus Melia, preceding Melica.) 

 Trisetaria airoides Baumg., Enum. Stirp. 



Transsilv. 3: 265. 1816. Based on 



Avena airoides Koel. 

 Trisetum airoides Beauv. ex Roem. and 



Schult., Syst. Veg. 2: 666. 1817. 



Based on Avena airoides Koel. 

 Trisetum molle Kunth, Rev. Gram. 1: 101. 



1829. Based on Avena ?nollis Michx. 

 Koeleria subspicata Reichenb., Fl. Germ. 



49. 1830. Based on Aira subspicata L. 

 Koeleria canescens Torr. ex. Trim, Acad. 



St. Petersb. Mem. VI. Sci. Nat. 2 1 : 13. 



1836, as synonym of Trisetum molle 



Kunth. 

 Trisetum subspicatum var. molle A. Gray, 



Man. ed. 2. 572. 1856. Based on 



Avena mollis Michx. 

 Koeleria spicata Reichenb ex. Willk. and 



Lange, Prodr. Fl. Hisp. 1: 72. 1861. 



as synonym of Trisetum subspicatum 



Beauv. 

 Rupestrina pubescens Provancher, Fl. 



Canad. 689. 1862. Based on Avena 



mollis Michx. 

 Trisetum spicatum var. molle Beal, 



Grasses N. Amer. 2: 377. 1896. Based 



on Avena mollis Michx. 

 Trisetum brittonii Nash, N. Y. Bot. Gard. 



Bui. 1: 437. 1900. Marquette, Mich., 



Britton in 1883. 

 Trisetum congdoni Scribn. and Merr., 



Torrey Bot! Club Bui. 29: 470. 1902. 



Mariposa County, Calif., Congdon. 

 Trisetum americanum Gandog., Soc. Bot. 



France Bui. 49: 182. 1902. Colorado; 



Idaho. 



Trisetum majus Rydb., Colo. Agr. Expt e 

 Sta. Bui. 100: 34. 1906. U T. subspi- 

 catum major Vasey," an unpublished 

 name, cited as basis. A tall specimen 

 collected by Vasey, Pen Gulch, Colo., 

 in 1884 and marked "var. major Vasey" 

 in his script is taken as type. No descrip- 

 tion by Rydberg except the distinctions 

 given in the key. 



Avena spicata Fedtsch., Act. Hort. Petrop. 

 28: 76. 1908. Not A. spicata L. Based 

 on Aira spicata L. 



Trisetum spicatum var. pilosiglume Fer- 

 nald, Rhodora 18: 195. 1916. New- 

 foundland, Fernald, Wiegand, and 

 Bartram 4593. 



Trisetum spicatum congdoni Hitchc, Biol. 

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

 on Trisetum congdoni Scribn. and Merr. 



Trisetum spicatum var. brittonii Louis- 

 Marie, Rhodora 30: 239. 1929. Based 

 on T. brittonii Nash. 



Trisetum spicatum var. michauxii St. 

 John, Fl. Southeast. Wash, and Adj. 

 Idaho 62. 1937. Based on Avena 

 mollis Michx., not A. mollis Salisb., 

 1796, nor Koel., 1802. 

 (2) Trisetum wolfii Vasey, U. S. Dept, Agr. 

 Monthly Rpt. Feb. Mar. 156. 1874. 

 Twin Lakes, Colo., Wolf. 



Trisetum subspicatum var. muticum Bo- 

 land, in S. Wats., Bot. Calif. 2: 296. 

 1880. Upper Tuolumne, Calif., Bolander 

 5019. 



Trisetum brandegei Scribn., Torrey Bot. 

 Club Bui. 10: 64. 1883. Cascade 

 Mountains, Brandegee and Tweedy in 

 1882. 



Graphephorum ivolfti Vasey ex Coult., 

 Man. Rocky Mount. 423. 1885. Based 

 on Trisetum wolfii Vasey. 



Trisetum muticum Scribn., U. S. Dept. 

 Agr., Div. Agrost. Bui. 11: 50. f. 10. 

 1898. Based on Trisetum subspicatum 

 var. muticum Boland. 



Graphephorum muticum Heller, Cat. N. 

 Amer. PI. ed. 2. 31. 1900. Presumably 

 based on Trisetum subspicatum var. 

 muticum Boland. 



Trisetum wolfii muticum Scribn., Rhodora 

 8: 88. 1906. Based on T. subspicatum 

 var. muticum Thurb. (error for Boland.). 



Graphephorum brandegei Rydb., Fl. Rocky 

 Mount. 61. 1917. Based on Trisetum 

 brandegei Scribn. 



Trisetum wolfii var. brandegei Louis-Marie, 

 Rhodora 30: 241. 1929. Based on T. 

 brandegei Scribn. 



Trisetum wolfii var. brandegei forma muti- 

 cum Louis-Marie, Rhodora 30: 241. 

 1929. Based on T. wolfii muticum Scribn. 



(43) TRITICUM L. 



(1) TriticumaestivumL.,Sp. PI. 85. 1753. 



Cultivated in Europe. 



