928 MISC. PUBLICATION 200, U. S. DEFT. OF AGRICULTURE 



Pholiurus incurvatus Hitchc, U.S. Dept. Agr. Bull. 772: 106. 1920. Based 

 on Aegilops incurvata L. 



Thisspecies has been called Lepturus filiformis (Roth) Trin. Rottboellia filiformis 

 Roth, upon which that name is based, is considered a doubtful species by some 

 European botanists and as a distinct species of Pholiurus by others (P. filiformis 

 Schinz and Thell.). 



(26) PHRAGMITES Trin. 



(1) Phragmites communis Trin., Fund. Agrost. 134. 1820. Based on 



Arundo phragmites L. 

 Arundo phragmites L., Sp. PI. 81. 1753. Europe. 

 Arundo vulgaris Lam., Fl. Franc. 3: 615. 1778. Based on A. phragmites L. 



The name is untenable 

 Arundo palustris Salisb., Prodr. Strip. 24. 1796. Based on A. phragmites L. 

 Reimaria diffusa Spreng., Neu. Entd. 3: 14. 1822. Martinique, Sieber [31]. 

 Cynodon phragmites Raspail, Ann. Sci. Nat., Bot. 5: 302. 1825. Based on 



Arundo phragmites L. 

 Phragmites vulgaris Crep., Man. Fl. Belg. ed. 2. 345. 1866. Based on 



Arundo vulgaris Lam., an untenable name. 

 Phragmites berlandieri Fourn., Bull. Soc. Bot. France 24: 178. 1877. Laredo, 



Tex., Berlandier 1446. 

 Phragmites phragmites Karst., Deut. Fl. 379. 1883. Based on Arundo 



TyhvcLOiiiiXtcs L 

 Trichoon phragmites Rendle, Cat. Air. PL Welw. 2 1 : 218. 1899. Based on 



Arundo phragmites L. 

 Oxyanthe phragmites Nieuwl., Amer. Midi. Nat. 3: 332. 1914. Based on 



Arundo phragmites L. 

 Phragmites communis var. berlandieri Fernald, Rhodora 34: 211. 1925. Based 



on P. berlandieri Fourn. 



(83) PIPTOCHAETIUM Presl 



(1) Piptochaetium fimbriatum (H.B.K.) Hitchc, Jour. Wash. Acad. Sci. 23: 453. 



1933. Based on Stipa fimbriata H.B.K. 

 Stipa fimbriata H.B.K., Nov. Gen. and Sp. 1: 126. 1815. Guanajuato, 



Mexico, Humboldt and Bonpland. 

 Milium mexicanum Spreng., Syst. Veg. 1: 251. 1825. Mexico, Humboldt. 

 Piptatherum mexicanum Schult., Mant. 3 (Add. 1): 564. 1827. Based on 



Milium mexicanum Spreng. 

 Avena stipoides Willd.; Steud., Nom. Bot. ed. 2. 2: 146. 1841, as synonym of 



Milium mexicanum Spreng. 

 Oryzopsis fimbriata Hemsl., Biol. Centr. Amer. Bot. 3: 538. 1885. Based on 



Stipa fimbriata H.B.K. 

 Oryzopsis seleri Pilger, Verh. Bot. Ver. Brand. 51: 192. 1909. Guatemala, 



Seler 3238. 



(9) PLEUROPOGON R. Br. 



(1) Pleuropogon californicus (Nees) Benth.; Vasey, Grasses U.S. 40. 1883. 



Based on Lophochlaena californica Nees. 

 Lophochlaena californica Nees, Ann. Nat. Hist. 1: 283. 1838. California, 



[Douglas]. 

 Pleuropogon douglasii Trin.; Steud., Nom. Bot. ed. 2. 2: 355. 1841. Name 



only, North America. 

 Lepitoma brevifolia Torr.; Steud., Nom. Bot. ed. 2. 2: 355. 1841, as synonym 



of Pleuropogon douglasii Trin. 



(2) Pleuropogon refractus (A. Gray) Benth.; Vasey, Grasses U.S. 40. 1883. 



Based on Lophochlaena refracta A. Gray. 

 Lophochlaena refracta A. Gray, Amer. Acad. Sci. Proc. 8: 409. 1872. Oregon, 

 [Hall 636]. 



(10) POA L. 



(43) Poa alpina L., Sp. PI. 67. 1753. Lapland. 



Uralepis mutica Fourn., Mex. PL 2: 110. 1886. Not U. mutica Fourn.; 



Hemsl. 1885. Mexico, Liebmann 611. 

 Poa alpina var. minor Scribn.; Beal, Grasses N.Amer. 2: 543. 1896. Not 

 P. alpina var. minor Koch, 1837. Montana, Scribner [388] in 1883. 

 (24) Poa alsodes A. Gray, Man. ed. 2. 562. 1856. New England to Wisconsin. 

 [Type, New Hampshire]. 



