944 



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



With., 1796. Rocky Mountains [Wolf 

 341 in 1873]. 

 (27) Poa saltuensis Fern, ard Wieg., Rho- 

 dora 20: 122. 1918. Gaspe - County 

 Quebec, Fernald and Collins 357. 

 Poa debilis var. acutiflora Vasey ex Ma- 

 coun, 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. New- 

 foundland, Fernald and Wiegand 4633. 

 (62) Poa scabrella (Thurb.) Benth. ex 

 Vasey, Grasses U. S. 42. 1883. Based 

 on Atropis scabrella Thurb. 

 Sclerochloa calif ornica Munro ex Benth., 

 PI. Hartw. 342. 1857. Name only, for 

 Hartweg 2035, Sacramento Valley, 

 Calif. 

 Poa tenuifolia Buckl., Acad. Nat. Sci. 

 Phila. Proc. 1862: 96. 1862. 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. 

 Poa orcuttiana Vasey, West Amer. Sci. 3: 

 165. 1887. San Diego, Calif., Orcutt 

 [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, Torrey Bot. Club 

 Bui. 22: 465. 1895. Based on P. 

 tenuifolia Buckl. 

 Poa capillaris Scribn., U. S. Dept. Agr., 

 Div. Agrost. Bui. 11: 51. f. 11. 1898. 

 Not P. capillaris L., 1753. Potrero, 

 Calif. 

 Poa nudata Scribn., U. S. Dept. Agr., Div. 

 Agrost. Cir. 9: 1. 1899. Based on P. 

 capillaris Scribn. 

 Poa acutiglumis Scribn., U. S. Dept. Agr., 

 Div. Agrost, Cir. 9: 4. 1899. Grave 

 Creek, Oreg., Howell in 1884. 

 Poa limosa Scribn. and Williams, U. S. 

 Dept, Agr., Div. Agrost. Cir. 9: 5. 

 1899. Mono Lake, Calif., Bolander. 

 (64) Poa secunda Presl, Rel. Haenk. 1: 271. 

 1830. Chile, Haenke. 

 Poa sandbergii Vasey, U. S. Natl. Herb. 

 Contrib. 1: 276. 1893. Lewiston, 

 Idaho, Sandberg 164. 

 Poa incurva Scribn. and Williams, U. S. 

 Dept. Agr., Div. Agrost. Cir. 9: 6. 

 1899. Duckaloose Glacier, Olympic 

 Mountains, Wash., Piper 1989. 

 Poa buckleyana var. sandbergii Jones, 

 West. Bot. Contrib. 14: 14. 1912. 

 Based on P. sandbergii Vasey. 



Paneion sandbergii Lunell, Amer. Midi 

 Nat. 4: 223. 1915. Based on Poa 

 sandbergii Vasey. 

 (46) Poa stenantha Trim, Acad. St. PCtersb. 

 Mem. VI. Math. Phys. Nat. 1: 376. 

 1830. Kamchatka, Unalaska, Sitka, 

 Karaghinski Island. 

 (30) Poa sylvestris A. Gray, Man. 596. 

 1848. Ohio and Kentucky, Short, Sul- 

 livant, Michigan and southwestward 

 [type from Ohio, Short in 1842]. 

 (29) Poa tracyi Vasey, Torrey Bot. Club 

 Bui. 15: 49. 1888. Raton, N. Mex., 

 Tracy in 1887. 

 Poa nervosa var. tracyi Beal, Grasses N. 

 Amer. 2: 538. 1896. Based on P. 

 tracyi Vasey. 

 (23) Poa trivialis L., Sp. PI. 67. 1753. 

 Europe. 

 Poa stolonifera Hall, ex Muhl., Descr. 



Gram. 139. 1817. Pennsylvania. 

 Poa trivialis var. filiculmis Scribn. in Beal, 

 Grasses N. Amer. 2: 532. 1896. Van- 

 couver Island, Macoun 282. 

 Poa callida Rydb., Torrey Bot. Club Bui. 

 36: 533. 1909. Helena, Mont., Rydberg 

 2145. 

 (55) Poa unilateralis Scribn. in Vasey, U. S. 

 Dept. Agr., Div. Bot. Bui. 13 2 : pi. 85. 

 1893. San Francisco, Calif. [Jones 15 

 in 1882]. 

 Atropis unilateralis Beal, Grasses N. 

 Amer. 2: 581. 1896. Based on Poa 

 unilateralis Scribn. 

 Poa pachypholis Piper, Biol. Soc. Wash. 

 Proc. 18: 146. 1905. Ilwaco, Wash., 

 Piper [4900]. 

 (57) Poa vaseyochloa Scribn., U. S. Dept. 

 Agr., Div. Agrost. Cir. 9: 1. 1899. 

 Based on P. pulchella Vasey. 

 Poa pulchella Vasey, Bot. Gaz. 7: 32. 

 1882. Not P. pulchella Salisb., 1796. 

 Columbia River [mountains, Klickitat 

 County, Wash.], Suksdorf [in 1881]. 

 Atropis pulchella Beal, Grasses N. Amer. 

 2: 574. 1896. Based on Poa pulchella 

 Vasey. 

 Poa gracillima var. vaseyochloa Jones, 

 West. Bot. Contrib. 14: 14. 1912. 

 Based on P. vaseyochloa Scribn. 

 (32) Poa wolfii Scribn., Torrey Bot. Club 

 Bui. 21: 228. 1894. [Canton], 111., 

 Wolf [in 1882]. 

 Poa alsodes var. wolfii Vasev ex Scribn., 

 Torrey Bot. Club Bui. 21: 228. 1894, 

 as synonym of P. wolfii Scribn. 



(77) POLYPOGON Desf. 



(4) Polypogon australis Brongn. in Duper- 

 rey, Bot. Voy. Coquille 2 2 : 21. 1830. 

 Conception, Chile. 

 Polypogon crinitus Trim, Gram. Unifl. 

 171. 1824. Not P. crinitus Nutt., 

 1818. Chile, Chamisso. 

 Polypogon interruptus var. crinitus Hack, 

 in Stuck., An. Mus. Nac. Buenos Aires 



