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



Atropis pringlei Beal, Grasses N.Amer. 2: 578. 1896. Based on Poa pringlei 



Scribn. 

 Poa suksdorfii Yasey; Piper, Contrib. U.S. Natl. Herb. 11: 135. 1906. Based 



on Atropis suksdorfii Beal. 

 (30) Poa reflexa Vasey and Scribn., Contrib. U.S. Natl. Herb. 1: 276. 1893. 



Kelso Mountain, near Torrey Peak, Colo., Letterman in 1885. 

 Poa acuminata Scribn.; Beal, Grasses N.Amer. 2: 538. 1896. [Mount Black- 

 more], Mont., Tweedy 639 in 1885, 1027 in 1886. 

 Poa pudica Rydb., Bull. Torrev Bot. Club 32: 603. 1905. Near Grays Peak, 



Colo., Rydberg 2443. 

 Poa leptocoma var. reflexa Jones, Contrib. West. Bot. 14: 15. 1912. Based on 



P. reflexa Vasey and Scribn. 

 (11) Poa rhizomata Hitchc, in Jepson, Fl. Calif. 1: 155. 1912. Oro Fino, 



Siskivou County, Calif., Butler 1205. 

 Poa piperi Hitchc.', in Abrams, Illustr. Fl. 1: 201. f. 461. 1923. Waldo, Oreg., 



Piper 6496. 

 (48) Poa rupicola Nash, Mem. N.Y. Bot. Gard. 1: 49. 1900. Based on P. 



rupestris Vasey. 

 Poa rupestris Vasey, Bull. Torrev Bot. Club 14: 94. 1887. Not P. rupestris 



With., 1796. Rocky Mountains [Wolf 341 in 1873]. 

 (26) Poa saltuensis Fern, and Wieg., Rhodora 20: 122. 1918. Gaspe County, 



Quebec, Fernald and Collins 357. 

 Poa debilis var. acutiflora Vasey; Macoun, Cat. Can. PI. 2 4 : 225. 1888. Name 



only, for Macoun 28 and Burgess 12 and 13, Truro, Nova Scotia. 

 Poa saltuensis var. microlepis Fern, and Wieg., Rhodora 20: 124. 1918. 



Newfoundland, Fernald and Wiegand 4633. 

 (57) Poa scabrella (Thurb.) Benth.; Vasey, Grasses U.S. 42. 1883. Based on 



Atropis scabrella Thurb. 

 Sclerochloa calif ornica Munro; Benth., PI. Hartw. 342. 1857. Name only, for 



Hartweg 2035, Sacramento Valley, Calif. 

 Poa tenuifolia Buckl., Acad. Nat. Sci. Phila. Proc. 1862: 96. 1863. Not P. 



tenuifolia A. Rich., 1851. Columbia River, Nuttall. 

 Atropis scabrella Thurb., in S. Wats., Bot. Calif. 2: 310. 1880. Oakland, 



Calif., Bolander. 

 Atropis tenuifolia Thurb., in S. Wats., Bot. Calif. 2: 310. 1880. Based on 



Poa tenuifolia Buckl.; Thurb. 

 Poa orcutliana Vasey, West Amer. Sci. 3: 165. 1887. San Diego, Calif., 



Or cult [1070] in 1884. 

 Panicularia scabrella Kuntze, Rev. Gen. PI. 2: 783. 1891. Based on Atropis 



scabrella Thurb. 

 Panicularia nuttalliana Kuntze, Rev. Gen. PI. 2: 783. 1891. Based on 



"Atropis tenuifolia Thurb., Poa tenuifolia Nutt., 1862" (error for Buckl.). 

 Poa buckleyana Nash, Bull. Torrey Bot. Club 22: 465. 1895. Based on P. 



tenuifolia Buckl. 

 Poa capillaris Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 11: 51. f. 11. 1898. 



Not P. capillaris L., 1753. Potrero, Calif. 

 Poa nudata Scribn., U.S.Dept.Agr., Div. Agrost. Circ. 9: 1. 1899. Based on 



P. capillaris Scribn. 

 Poa acutiglumis Scribn., U.S.Dept.Agr., Div. Agrost. Circ. 9: 4. 1899. Grave 



Creek, Oreg., Howell in 1884. 

 Poa limosa Scribn. and Williams, U.S.Dept.Agr., Div. Agrost. Circ. 9: 5. 1899. 



Mono Lake, Calif., Bolander. 

 (59) Poa secunda Presl, Rel. Haenk. 1: 271. 1830. Chile, Haenke. 



Poa sandbergii Vasey, Contrib. U.S. Natl. Herb. 1: 276. 1893. Lewiston, 



Idaho, Sandberg 164. 

 Poa incurva Scribn. and Williams, U.S.Dept.Agr., Div. Agrost. Circ. 9: 6. 



1899. Duckaloose Glacier, Olympic Mountains, Wash., Piper 1989. 

 Poa buckleyana var. sandbergii Jones, Contrib. West. Bot. 14: 14. 1912. Based 



on P. sandbergii Vasey. 

 Paneion sandbergii Lunell, Amer. Midi. Nat. 4: 223. 1915. Based on Poa 



sandbergii Vasey. 

 (44) Poa stenantha Trin., Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 1: 376. 



1830. Kamchatka, Unalaska, Sitka, Karaghinski Island. 

 (29) Poa sylvestris A. Gray, Man. 596. 1848. Ohio and Kentucky, Short, 



Sullivant, Michigan and southwestward [type from Ohio, Short in 1842]. 

 (28) Poa tracyi Vasey, Bull. Torrey Bot. Club 15: 49. 1888. Raton, N.Mex., 

 Tracy in 1887. 



