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



(46) Poa Iaxa Haenke, in Jirasek, Beob. Riesengeb. 118. 1791. Europe. 

 Poa laxa var. debilior Jones, Contrib. West. Bot. 14: 15. 1912. "The eastern 

 plant", no particular locality nor specimen cited. 

 (16) Poa laxiflora Buckl., Acad. Nat. Sci., Phila. Proc. 1862: 96. 1863. Co- 

 lumbia Woods, Oreg., Nuttall. 

 Poa leptocoma elatior Scribn. and Merr., Contrib. U.S. Natl. Herb. 13: 71. 



1910. Cape Fox, Alaska, Trelease and Saunders 2982. 

 Poa remissa Hitchc, Biol. Soc. Wash. Proc. 41: 158. 1928. Sol Due Hot 

 Springs, Olympic Mountains, Wash., Hitchcock 23468. 

 (56) Poa leibergii Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 8: 6. pi. 2. 1897. 

 Owyhee- Malheur Divide, Oreg., Leiberg 2171. 

 Poa hanseni Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 11: 53. pi. 9. 1898. 



Silver Lake, Amador County, Calif., Hansen 605. 

 Poa pringlei var. hanseni Smiley, Univ. Calif. Pubs., Bot. 9: 104. 1921. Based 

 on P. hanseni Scribn. 

 (33) Poa leptocoma Trim, Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 1: 374. 

 1830. Sitka, Alaska, Mertens. 

 Poa stenantha var. leptocoma Griseb., in Ledeb., Fl. Ross. 4: 373. 1853. 



Based on P. leptocoma Trin. 

 Poa crandallii Gandog., Bull. Soc. Bot. France 66 7 : 301. 1920. Mountains 

 of Larimer, Colo., Crandall in 1898. 

 (55) Poa lettermani Vasey, Contrib. U.S. Natl. Herb. 1: 273. 1893. Grays 

 Peak, Colo., Letterman 7. 

 Poa brandegei Scribn.; Beal, Grasses N.Amer. 2: 544. 1896. Grays Peak, 



Colo., Jones 714. 

 Atropis lettermani Beal, Grasses N.Amer. 2: 579. 1896. Based on Poa 

 lettermani Vasey. 

 (41) Poa longiligula Scribn. and Williams, U.S.Dept.Agr., Div. Agrost. Circ. 

 9- 3. 1899. Silver Reef, Utah, Jones 5149. 

 Poa montana Vasey, U.S.Dept.Agr., Monthly Rept. 155. 1874. Not P. 



montana All., 1785. Nevada, Watson 1312. 

 Poa longiligula wyomingensis Williams, U.S.Dept.Agr., Div. Agrost. Circ. 10: 



3. 1899. Tipton, Wvo., Nelson 4799a. 

 Paneion longiligulum Lunell, Amer. Midi. Nat. 4: 222. 1915. Based on Poa 



longiligula Scribn. and Williams. 

 This species was referred to Poa alpina L. by Watson, in King, Geol. Expl. 40th 

 Par. 5: 386. 1871. 



(8) Poa macrantha Vasey, Bull. Torrey Bot. Club 15: 11. 1888. Mouth of 

 Columbia River, Oreg., Howell [in 1887]. 

 Melica macrantha Beal, Bull. Torrey Bot. Club 17: 153. 1890. Based on Poa 

 macrantha Vasey. 

 (37) Poa macroclada Rydb., Bull. Torrey Bot. Club 32: 604. 1905. Rogers, 



Gunnison Watershed, Colo., Baker 802. 

 (23) Poa marcida Hitchc, Biol. Soc. Wash. Proc. 41: 158. 1928. Sol Due Hot 



Springs, Olympic Mountains, Wash., Hitchcock 23466. 

 (36) Poa nemoralis L., Sp. PL 69. 1753. Europe. 



Paneion nemorale Lunell, Amer. Midi. Nat. 4: 222. 1915. Based on Poa 

 nemoralis L. 

 (14) Poa nervosa (Hook.) Vasey, U.S.Dept.Agr., Div. Bot. Bull. 13 2 : pi. 81. 1893. 

 Based on Festuca nervosa Hook. 

 Festuca nervosa Hook., Fl. Bor. Amer. 2: 251. pi. 232. 1840. Nootka Sound, 



Vancouver Island, Scouler. 

 Poa columbiensis Steud., Syn. PI. Glum. 1: 261. 1854. Columbia River, 



Douglas. 

 Poa wheeleri Vasey, Cat. PL Survey W. 100th Merid. 55. 1874. South Park, 



Colo., [Wolf] 1131 [1131a]. 

 Poa pulchella var. major Vasey, U.S.Dept.Agr., Div. Bot. Bull. 13 2 : pi. 82. 

 1893. Southern Oregon, no specimen cited, and none so named by Vasey 

 can be found. 

 Poa vaseyana Scribn.; Beal, Grasses N.Amer. 2: 532. 1896. [Georgetown], 



Colo., Patterson in 1885. 

 Poa cuspidata Vasey; Scribn., U.S.Dept.Agr., Div. Agrost. Circ. 9: 6. 1899. 



Not P. cuspidata~Nntt., 181S. As synonym of P. wheeleri Vasey. 

 Poa olneyae Piper, Ervthea 7: 101. 1899. Spokane, Wash., Piper 2820. 

 Poa subreflexa Rydbf, Bull. Torrey Bot. Club 36: 535. 1909. Steamboat 

 Springs, Colo., State Agricultural College 3731. 

 (61) Poa nevadensis Vasey; Scribn., Bull. Torrey Bot. Club 10: 66. 1883. 

 [Austin, Nev., Jones in 1882.] 



