MANUAL OF THE GRASSES OF THE UNITED STATES 785 



Agrostis perennans var. aestivalis forma atherophora Fernald, Rhodora 35: 317. 

 1933. Terrebonne, Quebec, Churchill. 



(1) Agrostis retrofracta Willd., Enum. PL 1: 94. 1809. Australia. 



Vilfa retrofracta Beauv., Ess. Agrost. 16, 148, 182. 1812. Based on Agrostis 

 retrofracta Willd. 



Lachnagrostis retrofracta Trin., Fund. Agrost. 128. 1820. Based on Agrostis 

 retrofracta Willd. 



Lachnagrostis willdenovii Trin., Gram. Unifl. 217. 1824. Based on Agrostis 

 retrofracta Willd. 



Deyeuxia retrofracta Kunth, Rev. Gram. 1: 77. 1829. Based on Agrostis 

 retrofracta Willd. 



Calamagrostis retrofracta Link; Steud., Norn. Bot. ed. 2. 1: 251. 1840. Based 

 on Agrostis retrofracta Willd. 



Calamagrostis willdenovii Steud., Syn. PI. Glum. 1: 192. 1854. Based on 



Lachnagrostis willdenovii Trin. 



(21). Agrostis rossae Vasey, Contrib. U.S. Natl. Herb. 3: 76. 1892. Yellow- 

 stone Park, Wyo., Edith Ross in 1890. 



Agrostis varians Trin., Mem. Acad. St. Petersb. VI. Sci. Nat. 4 1 : 314. 1841. 

 Not A. varians Thuill., 1790. "America boreal? (Hoocker 217)." A dupli- 

 cate type in the Torrey Herbarium (N.Y. Bot. Gard.) is labeled Rocky 

 Mountains, Hooker 217. 



Agrostis variabilis Rydb., Mem. N.Y. Bot. Gard. 1: 32. 1900. Based on 

 A. varians Trin. 



(2) Agrostis spica-venti L., Sp. PL 61. 1753. Europe. 



Agrostis gracilis Salisb., Prodr. Stirp. 25. 1796. Based on A. spica-venti L. 

 Apera spica-venti Beauv., Ess. Agrost. 151. 1812. Based on Agrostis spica- 

 venti L. 

 Anemagrostis spica-venti Trin., Fund. Agrost. 129. 1820. Based on Agrostis 



spica-venti L. 

 Festuca spica-venti Raspail, Ann. Sci. Nat., Bot. 5: 445. 1825. Based on 



Agrostis spica-venti L. 

 Muhlenbergia spica-venti Trin., Mem. Acad. St. Petersb. VI. Sci. Nat. 4 1 : 285. 



1841. Based on Agrostis spica-venti L. 

 Agrostis ventosa Dulac, Fl. Haut. Pyr. 74. 1867. Based on Apera spica-venti 



Beauv. 

 Agrostis anemagrostis Syme, in Sowerby, English Bot. ed. 3. 11: 43. 1873. 



Based on Anemagrostis spica-venti Trin. 

 Agrostis anemagrostis subsp. spica-venti Syme, in Sowerby, English Bot. ed. 3. 



11: 43. 1873. Based on A. spica-venti L. 

 (7) Agrostis stolonifera L., Sp. PL 62. 1753. Europe. 



Decandolia stolonifera Bast., Fl. Maine-et-Loire 29. 1809. Based on Agrostis 



stolonifera L. 

 Vilfa stolonifera Beauv., Ess. Agrost. 16, 148, 182. 1812. Based on Agrostis 



stolonifera L. 

 Agrostis alba var. stolonifera Smith, English Fl. 1: 93. 1824. Based on A. 



stolonifera L. 

 Agrostis vulgaris var. stolonifera Koch, Syn. Fl. Germ. Helv. 782. 1837. Based 



on A. stolonifera L. 



(11) Agrostis tenuis Sib th., Fl. Oxon. 36. 1794. Based on A. capillaris Huds. 

 Agrostis capillaris Huds., Fl. Angl. ed. 2. 27. 1762. Not A. capillaris L., 1753. 



England. 

 Agrostis sylvatica Huds., Fl. Angl. ed. 2. 28. 1762. England. A teratological 



form, the florets abnormally elongated. Name rejected, being based on a 



monstrosity. 



Agrostis vulgaris With., Bot. Arr. Veg. Brit. ed. 3. 2: 132. 1796. Europe. 

 Vilfa vulgaris Beauv., Ess. Agrost. 16, pi. 5. f. 8. 1812. Based on Agrostis 



vulgaris With. 

 Agrostis alba var. sylvatica Smith, English Fl. 1: 93. 1824. Based on A. 



sylvatica Huds. Published as new by Scribner, Mem. Torrey Club 5: 40. 



1894, the basis given as "A. sylvatica L." error for Huds. 

 Agrostis alba var. vulgaris Coss. and Dur., Expl. Sci. Alger. 2: 63. 1867. 



Based on A. vulgaris With. 

 Agrostis stolonifera var. vulgaris Celak., Prodr. FL Bohm. 710. 1881. Not A. 



stolonifera var. vulgaris Heuff., 1858. Based on A. vulgaris With. 

 Agrostis alba var. minor Vasey, Contrib. U.S. Natl. Herb. 3: 78. 1892. [Wash- 

 ington, D.C.] 



