MANUAL OF THE GRASSES OF THE UNITED STATES 



939 



Merid. Rpt. 6: 290. 1878. Name only. 



Nevada and Colorado [Wolf] 1138, 1140. 

 Poa tenuifolia var. elongata Vasey in 



Rothr., in Wheeler, U. S. Survey W. 



100th Merid. Rpt. 6: 290. 1878. 



Nevada, Colorado [Twin Lakes, Wolf] 



1141. 

 Glyceria canbyi Scribn., Torrey Bot. Club 



Bui. 10: 77. 1883. Cascade Mountains, 



Wash., Tweedy and Brandegee in 1882. 

 Aira missurica Spreng. ex Jacks., Ind. 



Kew. 1: 68. 1893, as synonym of A. 



brevifolia Pursh, erroneously credited to 



"Spreng. Syst. 2: 578." Aira brevifolia 



Pursh is given in Spreng., Syst. 1: 276. 



1825. 

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



Contrib., 1: 273. 1893. Not P. laevis 



R. Br., 1810. Montana, Scribner in 



1883. 

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



Contrib., 1: 274. 1893. Georgetown, 



Colo., Patterson 73. 

 Atropis laevis Beal, Grasses N. Amer. 2: 



577. 1896. Based on Poa laevis Vasey. 

 Atropis laevis var. rigida Beal, Grasses N. 



Amer. 2: 578. 1896. Utah, Jones. 

 Atropis canbyi Beal, Grasses N. Amer. 2: 



580. 1896. Based on Glyceria canbyi 



Scribn. 

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



Div. Agrost. Bui. 5: 31. 1897. Based 



on P. laevis Vasey. 

 Poa wyomingensis Scribn., Davenport 



Acad. Sci. Proc. 7: 242. 1899. Big 



Horn, Sheridan County, Wyo., Pammel 



192. 

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



Div. Agrost. Cir. 9: 2. 1899. Scott, 



Klickitat County, Wash., Leckenby in 



1898. 

 Poa helleri Rydb., Torrey Bot. Club Bui. 



36: 534. 1909. Lake Waha, Idaho, 



Heller 3274. 

 Poa buckleyana var. elongata Jones, West. 



Bot Contrib. 14: 14. 1912. Based on 



"P. andina var. elongata Vasey," error 



for P. tenuifolia var. elongata Vasey. 

 Poa nevadensis var. laevigata Jones, West. 



Bot. Contrib. 14: 14. 1912. Based on 



P. laevigata Scribn. 

 Poa nevadensis var. leckenbyi Jones, West. 



Bot. Contrib. 14: 14. 1912. Based on 



P. leckenbyi Scribn. 

 (41) Poa chaixii Vill., Fl. Delph. 7. 1785. 



Dauphine, France. 

 (4) Poa chapmaniana Scribn., Torrey Bot. 



Club Bui. 21: 38. 1894. Knoxville, 



Tenn., Scribner. "P. cristata Chapm. 



not Walter" cited as synonym, but 



what Chapman described as Poa cristata 



Walt, is dubious. Scribner's description 



is ample, and the type is in the National 



Herbarium. 

 (6) Poa compressa L., Sp. PI. 69. 1753. 



Europe and North America. 

 Poa compressa var. sylvestris Torr., Fl. 



North, and Mid. U. S. 1: 110, 1823. 

 New York, 



Poa compressa forma depauperata Millsp., 

 Fl. W. Va. 472. 1892. Monongalia, 

 along Falling Run, W. Va. 



Paneion compressum Lunell, Amer. Midi. 

 Nat. 4: 222. 1915. Based on Poa 

 compressa L. 

 (10) Poa confinis Vasey, U. S. Dept. Agr., 

 Div. Bot. Bui. 13 2 : pi. 75. 1893. Ore- 

 gon to Alaska [type Tillamook Bay, 

 Oreg., Howell 69 in 1882]. 

 (14) Poa curta Rydb., Torrey Bot. Club 

 Bui. 36: 534. 1909. Spread Creek 

 [Jackson Hole], Wyo., Tweedy 13. 

 (67) Poa curtifolia Scribn., U. S. Dept. Agr., 

 Div. Agrost. Cir. 16: 3. 1899. Mount 

 Stuart, Wash., Elmer 1148 [type] and 

 1150. 

 (53) Poa cusickii Vasey, U. S. Natl. Herb. 

 Contrib., 1 : 271. 1893. Oregon, Cusick 

 1219. 



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

 Contrib. 1: 271. 1893. Hatwai Creek, 

 Nez Perce County, Idaho, Sandberg 

 138. 



Poa idahoensis Beal, Grasses N. Amer. 2: 

 539. 1896. Based on P. filifolia Vasey, 

 not P. filifolia Schur, that name, how- 

 ever, published as synonym only. 



Poa subaristata Scribn. in Beal, Grasses 

 N. Amer. 2 : 533. 1896. Not P. subaris- 

 tata Phil., 1896 [earlier than P. sub- 

 aristata Scribn.]. Yellowstone Park, 

 Tweedy 633. 



Poa scabrifolia Heller, Torrey Bot. Club 

 Bui. 24: 310. 1897. Based on P. 

 filifolia Vasey. 



Poa spillmani Piper, Erythea 7: 102. 

 1899. Douglas County, Wash., Spillman 

 in 1896. 



Poa capillarifolia Scribn. and Williams, 

 U. S. Dept. Agr., Div. Agrost. Cir. 9: 1. 

 1899. California, Hansen 2614. 



Poa cottoni Piper, Biol. Soc. Wash. Proc. 

 18: 146. 1905. Rattlesnake Mountains, 

 Yakima County, Wash., Cotton 557. 



Poa nematophylla Rydb., Torrey Bot. 

 Club Bui. 32: 606. 1905. Meeker, 

 Colo., Osterhout 2601. 



Poa scaberrima Rydb., Torrey Bot. Club 

 Bui. 36: 534. 1909. Beaver Canyon, 

 Idaho, Rydberg 2055. 

 (19) Poa cuspidata Nutt. in Barton, Com- 

 pend. Fl. Phila. 1: 61. 1818. Based on 

 P. pungens Nutt. 



Aira trifiora Ell., Bot. S. C. and Ga. 1: 

 153. 1816. Not Poa trifiora Gilib., 

 1792. Athens, Ga., Green. 



Poa brevifolia Muhl., Descr. Gram. 138. 

 1817. Not P. brevifolia DC, 1806. 

 Pennsylvania. Name only, Muhl., Cat. 

 PI. 11. 1813. 



Poa trinervata Willd. ex Muhl., Descr. 

 Gram. 138. 1817, as synonym of Poa 

 brevifolia Muhl. 



Poa pungens Nutt., Gen. PI. 1 : 66. 1818. 



