MANUAL OF THE GRASSES OF THE UNITED STATES 859 



(24) Festuca ligulata Swallen, Amer. Jour. Bot. 19: 436. f. 1. 1932. Guadalupe 



Mountains, Tex., Moore and Steyermark 3576. 

 (3) Festuca megalura Nutt., Jour. Acad. Phila. II. 1: 188. 1848. Santa 



Barbara, Calif., Gambel. 

 Vulpia megalura Rydb., Bull. Torrey Bot. Club 36: 538. 1909. Based on 



Festuca megalura Nutt. 

 (11) Festuca microstachys Nutt., Jour. Acad. Phila. II. 1: 187. 1848. Los 



Angeles, Calif., Gambel. 

 Vulpia microstachya Munro; Benth., PI. Hartw. 342. 1857. Based on Festuca 



microstachys Nutt. 

 tVulpia microstachya var. ciliata Munro; Benth., PI. Hartw. 342. 1857. 



Name only, for Harlweg 281, Sacramento, Calif. 

 Festuca microstachys var. subappressa Suksdorf, Werdenda l 2 : 3. 1923. 



Bingen, Wash., Suksdorf 6236. 

 (5) Festuca myuros L., Sp. PI. 74. 1753. Europe. 



Avena muralis Salisb., Prodr. Stirp. 22. 1796. Based on Festuca myuros L. 

 Vulpia myuros K. Gmel., Fl. Badens. 1: 8. 1805. Based on Festuca myuros L. 

 Festuca myuros Muhl., Descr. Gram. 160. 1817. Maryland; Georgia. Prob- 

 ably F. myuros L. is referred to, Muhlenberg's specimen being a mixture of 



this and F. sciurea Nutt. 

 Disiomomischus myuros Dulac, Fl. Haut. Pyr. 91. 1867. Based on Vulpia 



myuros K. Gmel. 

 Zerna myuros Panz.; Jacks., Ind. Kew. 4: 1249. 1895, as synonym of Festuca 



myuros L. 

 (21) Festuca obtusa Spreng., Mant. Fl. Hal. 34. 1807. Pennsylvania, 



Muhlenberg. 

 Panicum divaricatum Michx., Fl. Bor. Amer. 1: 50. 1803. Not P. divaricatum 



L., 1753. Carolina. (Michaux's plant an old specimen with all but the 



lowest floret fallen from the spikelets.) 

 Festuca nutans Spreng., Mant. Fl. Hal. 34. 1807. Not F. nutans Moench, 



1794. Pennsylvania, Muhlenberg. 

 Panicum gracilentum Poir., in Lam., Encycl. Sup. 4: 276. 1816. Cultivated 



in Paris botanic garden. 

 Panicum debile Poir., in Lam., Encycl. Sup. 4: 283. 1816. Not P. debile Desf., 



1798. Based on P. divaricatum Michx. 

 Panicum pateniissimum Roem. and Schult., Syst. Veg. 2: 448. 1817. Not 



P. pateniissimum Desv., 1816. Based on P. divaricatum Michx. 

 Schedonorus obtusus Spreng.; Roem. and Schult., Syst. Veg. 2: 710. 1817. 



Based on Festuca obtusa Spreng. 

 Poa festucoides LeConte; Torr., in Eaton, Man. Bot. ed. 2. 367. 1818. New 



York, LeConte. 

 Poa nutans Link, Enum. PL 1: 86. 1821. Based on Festuca nutans Spreng. 

 Poa brachiata Desv., Opusc. 100. 1831. Based on Panicum divaricatum 



Michx. 

 Festuca pseudoduriuscula Steud., Syn. PI. Glum. 1: 312. 1854. Texas, 



Drummond 398. 

 Steinchisma divaricatum Raf.; Jacks., Ind. Kew. 4: 982. 1895, as doubtful 



synonym of Panicum debile. Rafinesque (Bull. Bot. Seringe 1: 220. 1830) 



cites Panicum divaricatum [Michx.] under Steinchisma, but does not transfer 



the name. 

 Festuca nutans palustris Muhl.; Piper, Contrib. U.S. Natl. Herb. 10: 34. 1908, 



as synonym of F. obtusa Spreng. 

 Gnomonia nutans Lunell, Amer. Midi. Nat. 4: 224. 1915. Based on Festuca 



nutans Willd. 

 Festuca obtusa var. sprengeliana St. Yves, Candollea 2: 276. 1925. Based on 



F. obtusa Spreng. 

 (30) Festuca occidentalis Hook., Fl. Bor. Amer. 2: 249. 1840. Mouth of 



Columbia River, Scolder, Douglas. 

 Festuca ovina var. polyphylla Vasey; Beal, Grasses N.Amer. 2: 597. 1896. 



Cascade Mountains, Oreg., Howell. 

 (1) Festuca octoflora Walt., Fl. Carol. 81. 1788. South Carolina. 

 Festuca tenella Willd., Sp. PL 1: 419. 1797. North America. 

 Festuca setacea Poir., in Lam., Encyl. Sup. 2: 638. 1811. Grown in Jardin du 



Val de Grace, France, source unknown. 

 Schedonorus tenellus Beauv., Ess. Agrost. 99, 163, 177. 1812. Based on 



Festuca tenella Willd. 

 Festuca parviflora Ell., Bot. S.C. and Ga. 1: 170. 1816. Orangeburg, S.C. 



