938 



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



laxa Haenke as misapplied by Thurber 



(in Watson, Bot, Calif. 2: 312. 1880). 

 Poa williamsii Nash, N.Y. Bot. Gard. Bui. 



2: 156. 1901. White Pass, Alaska, 



Williams in 1899. 

 Poa aperta Scribn. and Men*., U. S. Dept. 



Agr., Div. Agrost. Cir. 35: 4. 1901. 



Telluride, Colo., Shear 98. 

 Poa callichroa Rydb., Torrey Bot. Club 



Bui. 32: 603. 1905. Dead Lake, near 



Pikes Peak, Colo., Clements 457. 

 Poa phoenicea Rydb., Torrey Bot. Club 



Bui. 32 : 605. 1905. Pikes Peak Valley, 



Colo., Clements 466. 

 Poa tricholepis Rydb., Torrey Bot. Club 



Bui. 32: 606. 1905. Pagosa Peak, 



Colo., Baker 210. 

 Poa chionogenes Gandog., Soc. Bot. France 



Bui. 66 7 : 302. 1920. Grays Peak, 



Colo., Crandall [in 1898]. 

 Colorado specimens of this species have 

 been described as Poa cenisia All. b} r 

 American authors. 

 (20) Poa arida Vasey, U. S. Natl. Herb. 



Contrib. 1: 270. 1893. Socorro, N. 



Mex., G. R. Vasey in 1881. 

 Poa andina Nutt. ex S. Wats, in King, 



Geol. Expl. 40th Par. 388. 1871. Not 



P. andina Trin., 1836. "Colorado, East 



and West Humboldt Mountains and in 



Clover Mountains, Nevada; also in the 



Trinity Mountains, Watson 1319." The 



name is given as P. andina "Nutt., Ms. 



in Herb.; (not of Trin.)." 

 Poa californica Munro ex Coulter, Man. 



Rocky Mount. 420. 1885. Not P. 



californica Steud., 1854. Based on P. 



andina Nutt. 

 Poa andina var. purpurea Vase} 7- ex 



Macoun, Can. PI. Cat. 2 4 : 223. 1888. 



Name only, for Macoun 92, Red Deer 



Lakes, Alberta. 

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



Contrib. 1: 276. 1893. Buena Vista, 



Colo., Sheldon 615. 

 Poa pseudopratensis Scribn. and Rydb., 



U. S. Natl. Herb. Contrib. 3: 531. pi. 



20. 1896. Not P. pseudopratensis 



Beyer, 1819. Hot Springs, S. Dak., 



Rydberg 1151. 

 Poa pratericola Rydb. and Nash, N. Y. 



Bot. Gard. Mem. 1: 51. 1900. Based 



on P. arida Vasey. 

 Poa fendleriana var. arida Jones, West. 



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



P. arida Vasey, not P. pratensis var. 



arida Parnell, 1842. 

 Poa pratensis var. pseudopratensis Jones, 



West. Bot, Contrib. 14: 15. 1912. 



Based on P. pseudopratensis Scribn. 



and Rydb. 

 Paneion aridum Lunell, Amer. Midi. Nat. 



4: 222. 1915. Based on Poa arida 



Vasey. 

 Paneion pratericola Lunell, Amer. Midi. 



Xat. 4: 223. 1915. Based on Poa 



pratericola Rydb. and Nash. 



Poa pratensiformis Rydb., Fl. Rocky 



Mount, 79. 1917. Based on P. pseudo- 

 pratensis Scribn. and Rydb. 

 Poa overi Rydb., Brittonia 1: 84. 1931. 



Custer County, S. Dak., Over 18100. 

 (13) Poa atropurpurea Scribn., U. S. Dept. 



Agr., Div. Agrost. Bui. 11: 53. pi. 10. 



1898. Bear Valley, San Bernardino 



Mountains, Calif., Parish 2968. 

 (44) Poa autumnalis Muhl. ex Ell., Bot. 



S. C. and Ga. 1: 159. 1816. Columbia, 



S. C, Herbemont. 

 Poa flexuosa Muhl., Descr. Gram. 148. 



1817. Not P. flexuosa Smith, 1800. 



Virginia, Carolina, and Cherokee [Ten- 

 nessee]. Name only, Muhl. Cat, PL 11. 



1813. 

 Poa campyle Schult., Mantissa 2: 304. 



1824 Based on P. flexuosa Muhl. 

 Poa elliottii Spreng., Syst. Veg. 1: 338. 



1825. Based on P. autumnalis Muhl. 

 Poa vestita Bosc. ex Steud., Nom. Bot. ed. 



2. 2: 363. 1841. Name only. Carolina. 

 Poa hexantha Wood, Class-book ed. 1861. 



797. 1861. Atlanta, Ga. 

 (3) Poa bigelovii Vasey and Scribn. in 



Vasey, Grasses U. S. Descr. Cat. 81. 



1885. Based on P. annua var. stricta 



Vasey. 

 Poa annua var. stricta Vasey, Torrey Bot. 



Club Bui. 10: 31. 1883. Rillita River, 



Ariz., Pringle. 

 (1) Poa bolanderi Vasej-, Bot. Gaz. 7: 32. 



1882. [Yosemite National Park] Calif., 



Bolander 6115. 

 Poa howellii chandleri Davj 7 , Calif. Univ. 



Pubs., Bot. 1: 60. 1902. Siskiyou 



County, Calif., Chandler 1703. 

 Poa bolanderi chandleri Piper, U. S. Natl. 



Herb. Contrib. 11: 132. 1906. Based 



on P. howellii chandleri Davy. 

 Poa horneri St, John, Fl. Southeast. Wash. 



and Adj. Idaho 54. 1937. Columbia 



County, Wash., Darlington in 1913. 

 (36) Poa bulbosa L., Sp. PI. 70. 1753. 



France. 

 Poa bulbosa var. vivipara Koel., Descr. 



Gram. 189. 1802. Europe. 

 Paneion bulbosum var. viviparum Lunell, 



Amer. Midi. Nat. 4: 222. 1915. Based 



on Poa bulbosum var. vivipara Koch 



(same as Koel.). 

 (65) Poa canbyi (Scribn.) Piper, U. S. Natl. 



Herb. Contrib. 11: 132. 1906. Based 



on Glyceria canbyi Scribn. 

 Aira brevifolia Pursh, Fl. Amer. Sept. 1: 



76, 1814. Not Poa brevifolia DC, 



1806. Plains of the Missouri, Lewis. 

 Airopsis brevifolia Roem. and Schult,, 



Syst. Veg. 2: 578. 1817. Based on Aira 



brevifolia Pursh. 

 Poa tenuifolia Nutt. in S. Wats, in King, 



Geol. Expl. 40th Par. 5: 387. 1871. 



Not. P. tenuifolia L. Rich., 1851. 



Nevada, Watson 1318. 

 Poa tenuifolia var. rigida Vasey in Rothr., 



in Wheeler, U. S. Survey W. 100th 



